{"_canonicalization":{"envelope_id":"axm_ + sha256(envelope minus {signature, axiom_id, anchors})","envelope_signature":"ed25519(envelope minus {signature, axiom_id})","json":"sort_keys=True, separators=(',',':'), ensure_ascii=False, allow_nan=False, utf-8","leaf_hash":"sha256(0x00 || canonical_json(envelope_full))","seal_signature":"ed25519(seal minus {signature, sig_algorithm})"},"axiom_id":"axm_9e1f49f7efbe302f4aaf479985278dfadf32722a027f571ed43c7caa229f6bb7","bitcoin_anchor":{"bitcoin_attestations":[],"calendar_attestations":[],"ots_url":"","stamped_at":"","status":"pending_next_stamp"},"envelope":{"anchors":[{"chain":"crovia.axiom_graph","height":0,"merkle_proof":"spider_vendor_press_v1","root_at_anchor":"spider_vendor_press_v1"}],"axiom_id":"axm_9e1f49f7efbe302f4aaf479985278dfadf32722a027f571ed43c7caa229f6bb7","axiom_type":"AX.OBS","body":{"axiom_subtype":"news.vendor_press.v1","category":"news","fingerprint":"04b11b430baa0019585d73ae8e7bbd4483280876b865e2e05b1d871b1cf3d8fa","published":"Thu, 18 Jun 2026 00:00:00 -0400","receipt_hash":"04b11b430baa0019585d73ae8e7bbd4483280876b865e2e05b1d871b1cf3d8fa","schema":"spider.news.vendor_press.v1","spider":"vendor_press","spider_record":{"axiom_subtype":"news.vendor_press.v1","category":"news","decision_hint":"POSITIVE","envelope_target":"AX.OBS","fingerprint":"04b11b430baa0019585d73ae8e7bbd4483280876b865e2e05b1d871b1cf3d8fa","observed_at":"2026-06-18T04:43:37.219665Z","parent_run_hash":"de79a40f7b3537d88842f7ac355e799c5df2adcb4fc32a4e28096d4bbdf01739","published":"Thu, 18 Jun 2026 00:00:00 -0400","runtime_version":"0.1.0","schema":"spider.news.vendor_press.v1","source_status":200,"source_url":"https://export.arxiv.org/rss/cs.AI","spider":"vendor_press","summary_excerpt":"arXiv:2606.17372v2 Announce Type: replace-cross \nAbstract: Two recent studies (Jones et al. (2026); Zeng et al. (2026)) reach apparently contradictory conclusions about whether LVLMs can coordinate on efficient referring expressions. We control for task differences between the studies while directly comparing their prompting styles. We replicate the finding that models can coordinate efficient referring expressions when explicitly prompted to do so, suggesting that other task differences are not responsible for divergent results. However, we also find that the same models fail to infer the need for communicative efficiency from a more implicit prompt, highlighting critical differences between how humans and AI systems communicate.","title":"Implicit vs. Explicit Prompting Strategies for LVLMs in Referential Communication","url":"https://arxiv.org/abs/2606.17372","vendor":"arxiv_cs_ai"},"summary":"arXiv:2606.17372v2 Announce Type: replace-cross \nAbstract: Two recent studies (Jones et al. (2026); Zeng et al. (2026)) reach apparently contradictory conclusions about whether LVLMs can coordinate on efficient referring expressions. We control for task differences between the studies while directly comparing their prompting styles. We replicate the finding that models can coordinate efficient referring expressions when explicitly prompted to do so, suggesting that other task differences are not responsible for divergent results. However, we also find that the same models fail to infer the need for communicative efficiency from a more implicit prompt, highlighting critical differences between how humans and AI systems communicate.","title":"Implicit vs. Explicit Prompting Strategies for LVLMs in Referential Communication","vendor":"arxiv_cs_ai"},"confidence":{"method":"deterministic"},"decision":"POSITIVE","issued_at":"2026-06-18T04:43:37Z","notes":"Spider vendor_press (news) news.vendor_press.v1","object":{"captured_by":"crovia.spider.vendor_press","primary_source_url":"https://arxiv.org/abs/2606.17372"},"predecessors":[],"schema":"crovia.axiom.v1","signature":"ed25519:b092ca4e78d26aaa093b1a6471efc716281ae90de09c73aac5831603c32c7bd8d3723ed2de3621a428d413971a1e794d1dc8cf623f8189c20d7e4bf7f4afc30d","signer":"crovia.substrate","subject":{"observed_at":"2026-06-18T04:43:37Z","source_collector":"spider:vendor_press","target_id":"https://arxiv.org/abs/2606.17372"},"tsa":{"authority":"crovia.substrate.bootstrap","rfc3161_token":"{\"kind\":\"crovia.bootstrap.tsa\",\"source_jsonl\":\"/opt/crovia/spider/data/news/vendor_press_v1.jsonl\",\"source_seal_merkle_root\":\"spider_vendor_press_v1\",\"upgrade_path\":\"Sessione H \\u2014 OpenTimestamps weekly anchor\"}"},"zk_mode":"clear","zk_proof":null},"ledger":{"leaf_hash":"a638a42c84fb3ee241dc07aad91cf766d4731216de015ca8df5257ddf210d3b7","leaf_index":233535,"ledger_path":"/opt/crovia/substrate/axiom_ledger.jsonl"},"merkle_proof":{"hash_alg":"sha256","leaf_prefix":"0x00","node_prefix":"0x01","odd_leaf_rule":"duplicate_last","path":[{"sibling":"37f5b34ba4ab345f0106ea5fff42c24bb929c0f64be9d717777bd052e146b0d3","side":"left"},{"sibling":"fac36e5c0ea2ca51e44581bd039190f7069b330b923b6e102b5b59945780367c","side":"left"},{"sibling":"9871d902226159318428fbbb55a566150c025e08d90328d73a9b60515b5d1dd8","side":"left"},{"sibling":"2365a79e3aacf29f2217e63ebdd55e3be81b0b7d84fe2ea30d78ccdb77479cbc","side":"left"},{"sibling":"9d4c6e2d94cfdb89ad0d0b59f24215034eac8ee4fcd5ecfdee2a64cb5ce19aa5","side":"left"},{"sibling":"c42f991fcbafbe53d8fc33e1c5c2d1d51ef70e0c2709828f03f40cba8d7b8389","side":"left"},{"sibling":"5e436eec5370aaf4cccb6c432bd004f0a554eab0e19ec87f70ba66470ad7303b","side":"right"},{"sibling":"fe9c643bdeb268143f61f15d89d0ff9dd03becb2914656c7a873d95f7266b5ce","side":"right"},{"sibling":"ad9e1cf26277141407aebd8692bfb16135dd1e614913e54b1dd445fed15d105a","side":"right"},{"sibling":"b151db1a7de0ce9a329250fae8b690f5b55ab3cfe5468a1fbb5f5bde0703b420","side":"right"},{"sibling":"7dc9143c057343b46a3b988492fba5262dec443cc1fb6070e3ea81543ca6a522","side":"right"},{"sibling":"ad5850946feb9a22361b5b9df0884f9ef1edcc7efea0374ff5782080ccb1a947","side":"right"},{"sibling":"410c633928fea11c5b4bdddb431956b1d7c320db9cda00d2fe32e0fcf888d7b7","side":"left"},{"sibling":"e616c34dbaf9456d5a6d3e2da82cde8621293c9f6d8a4cf9e441d7fd9cc81579","side":"right"},{"sibling":"94c0c932e61657f5e37fdba43f6ca9eddea8359425a7c1558dabe566911d5304","side":"right"},{"sibling":"a04392fb9f2a3a620840e3b3fecd93d12e6d224e481c162389d8ae64e7194599","side":"left"},{"sibling":"c300cf0154c136afc09b1702a0be98f4ba5b6dc5cf57e8cc714ec1eaf4196eff","side":"left"},{"sibling":"d841ad93efda0869e5eb97678f348f03f5caab4353e05ff4bf18f47fb945b822","side":"left"}]},"schema":"crovia.axiom_proof.v1","seal":{"first_collector_run_id":"","first_receipt_hash":"","jsonl_path":"/opt/crovia/substrate/axiom_ledger.jsonl","key_id":"430895f101d38164","last_collector_run_id":"","last_receipt_hash":"","leaf_count":234491,"merkle_root":"02576a6980e38bab47864ae2c57b5a5ff21e554e9bdf8f64bdf28155ff1aabec","public_key_hex":"cf742e26f75669dc673cb5c0786a1ae23ae8ca19c347317192ce40c28a7ff25c","run_id":"hourly_json_retrofit_20260618T143732Z","schema":"crovia.seal.v1","seal_family_version":"crovia-seal-family/1","seal_kind":"substrate_batch","sealed_at":"2026-06-18T18:33:39Z","sig_algorithm":"ed25519","signature":"b6c708778fc38b7789a2b91156cfe87252a7cd3a1d29121cba11a0c78f8cf104ca3019fc50a962fa5a216bcc4922fc8f3f69c04d1f8332c6dc0d931e1012e502","signer_version":"1.1.0"},"trust_root":{"key_id":"430895f101d38164","public_key_hex":"cf742e26f75669dc673cb5c0786a1ae23ae8ca19c347317192ce40c28a7ff25c","signature_algorithm":"ed25519","url":"/registry/canon/TRUST_ROOT.md"},"verifier":{"spec":"/registry/canon/AXIOM_RECEIPT_v1.md","url":"/v/axm_9e1f49f7efbe302f4aaf479985278dfadf32722a027f571ed43c7caa229f6bb7"}}