{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:CXQT47U6ET5SQ45CXHUO5UAZGH","short_pith_number":"pith:CXQT47U6","canonical_record":{"source":{"id":"2512.24470","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.RO","submitted_at":"2025-12-30T21:20:41Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"e0431018a1bd43e157990d7bf9d2822024d225a0e13d6359fa1418f4b4bcb6ca","abstract_canon_sha256":"9e95160d7e0dff1dbd969603d07f51c7db0e98aaa4745b340c62c581b760db69"},"schema_version":"1.0"},"canonical_sha256":"15e13e7e9e24fb2873a2b9e8eed01931cb73eafbd56510a5d01df5be4bc72bd4","source":{"kind":"arxiv","id":"2512.24470","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2512.24470","created_at":"2026-05-20T01:05:05Z"},{"alias_kind":"arxiv_version","alias_value":"2512.24470v2","created_at":"2026-05-20T01:05:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2512.24470","created_at":"2026-05-20T01:05:05Z"},{"alias_kind":"pith_short_12","alias_value":"CXQT47U6ET5S","created_at":"2026-05-20T01:05:05Z"},{"alias_kind":"pith_short_16","alias_value":"CXQT47U6ET5SQ45C","created_at":"2026-05-20T01:05:05Z"},{"alias_kind":"pith_short_8","alias_value":"CXQT47U6","created_at":"2026-05-20T01:05:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:CXQT47U6ET5SQ45CXHUO5UAZGH","target":"record","payload":{"canonical_record":{"source":{"id":"2512.24470","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.RO","submitted_at":"2025-12-30T21:20:41Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"e0431018a1bd43e157990d7bf9d2822024d225a0e13d6359fa1418f4b4bcb6ca","abstract_canon_sha256":"9e95160d7e0dff1dbd969603d07f51c7db0e98aaa4745b340c62c581b760db69"},"schema_version":"1.0"},"canonical_sha256":"15e13e7e9e24fb2873a2b9e8eed01931cb73eafbd56510a5d01df5be4bc72bd4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-20T01:05:05.439759Z","signature_b64":"bfM0rkVPPOZl7R9Cr+EPh+9nW0l9EHjiG4bzhIDx7+Nt6UP7Bjdwnqcno3BFrEMtYKARfAaM1cLqN1jDSijZDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"15e13e7e9e24fb2873a2b9e8eed01931cb73eafbd56510a5d01df5be4bc72bd4","last_reissued_at":"2026-05-20T01:05:05.438888Z","signature_status":"signed_v1","first_computed_at":"2026-05-20T01:05:05.438888Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2512.24470","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-20T01:05:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4ewhq0cjO20d88N9aKEELltg7jtZEUsOIPwTKJWiEUi/kHWCXmv7aSptpHv04jpa3XJbppbtdIJX2u/CE5ksBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T20:51:46.517591Z"},"content_sha256":"3f29ec8ef7034c2c144f7b5907490c64a14eeeb63056bd2f9fb7d5f4d9c1649f","schema_version":"1.0","event_id":"sha256:3f29ec8ef7034c2c144f7b5907490c64a14eeeb63056bd2f9fb7d5f4d9c1649f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:CXQT47U6ET5SQ45CXHUO5UAZGH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Foundation models on the bridge: Semantic hazard detection and safety maneuvers for maritime autonomy with vision-language models","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"cs.RO","authors_text":"Alexey Gusev, Andreas Gudahl Tufte, Kim Alexander Christensen, Marco Pavone, Martin Steinert, Milan Ganai, Ole Andreas Alsos, Rohan Sinha","submitted_at":"2025-12-30T21:20:41Z","abstract_excerpt":"The draft IMO MASS Code requires autonomous and remotely supervised maritime vessels to detect departures from their operational design domain, enter a predefined fallback that notifies the operator, permit immediate human override, and avoid changing the voyage plan without approval. Meeting these obligations in the alert-to-takeover gap calls for a short-horizon, human-overridable fallback maneuver. Classical maritime autonomy stacks struggle when the correct action depends on meaning (e.g., diver-down flag means people in the water, fire close by means hazard). We argue (i) that vision-lang"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2512.24470","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2512.24470/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-20T01:05:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mb6Dl3BHbbAw6Wft7DfH8C18GpDwxHgdag93IWvefG8gOhcfj3BJXKsASCsZZNqLcrmUuSikrXZkGtEwyjawAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T20:51:46.518118Z"},"content_sha256":"3b1d0ac9e6fd6f5c151e185f656de621718820ea2d7c068bcb3932daf0711710","schema_version":"1.0","event_id":"sha256:3b1d0ac9e6fd6f5c151e185f656de621718820ea2d7c068bcb3932daf0711710"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CXQT47U6ET5SQ45CXHUO5UAZGH/bundle.json","state_url":"https://pith.science/pith/CXQT47U6ET5SQ45CXHUO5UAZGH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CXQT47U6ET5SQ45CXHUO5UAZGH/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-19T20:51:46Z","links":{"resolver":"https://pith.science/pith/CXQT47U6ET5SQ45CXHUO5UAZGH","bundle":"https://pith.science/pith/CXQT47U6ET5SQ45CXHUO5UAZGH/bundle.json","state":"https://pith.science/pith/CXQT47U6ET5SQ45CXHUO5UAZGH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CXQT47U6ET5SQ45CXHUO5UAZGH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:CXQT47U6ET5SQ45CXHUO5UAZGH","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"9e95160d7e0dff1dbd969603d07f51c7db0e98aaa4745b340c62c581b760db69","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.RO","submitted_at":"2025-12-30T21:20:41Z","title_canon_sha256":"e0431018a1bd43e157990d7bf9d2822024d225a0e13d6359fa1418f4b4bcb6ca"},"schema_version":"1.0","source":{"id":"2512.24470","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2512.24470","created_at":"2026-05-20T01:05:05Z"},{"alias_kind":"arxiv_version","alias_value":"2512.24470v2","created_at":"2026-05-20T01:05:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2512.24470","created_at":"2026-05-20T01:05:05Z"},{"alias_kind":"pith_short_12","alias_value":"CXQT47U6ET5S","created_at":"2026-05-20T01:05:05Z"},{"alias_kind":"pith_short_16","alias_value":"CXQT47U6ET5SQ45C","created_at":"2026-05-20T01:05:05Z"},{"alias_kind":"pith_short_8","alias_value":"CXQT47U6","created_at":"2026-05-20T01:05:05Z"}],"graph_snapshots":[{"event_id":"sha256:3b1d0ac9e6fd6f5c151e185f656de621718820ea2d7c068bcb3932daf0711710","target":"graph","created_at":"2026-05-20T01:05:05Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2512.24470/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The draft IMO MASS Code requires autonomous and remotely supervised maritime vessels to detect departures from their operational design domain, enter a predefined fallback that notifies the operator, permit immediate human override, and avoid changing the voyage plan without approval. Meeting these obligations in the alert-to-takeover gap calls for a short-horizon, human-overridable fallback maneuver. Classical maritime autonomy stacks struggle when the correct action depends on meaning (e.g., diver-down flag means people in the water, fire close by means hazard). We argue (i) that vision-lang","authors_text":"Alexey Gusev, Andreas Gudahl Tufte, Kim Alexander Christensen, Marco Pavone, Martin Steinert, Milan Ganai, Ole Andreas Alsos, Rohan Sinha","cross_cats":["cs.AI"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.RO","submitted_at":"2025-12-30T21:20:41Z","title":"Foundation models on the bridge: Semantic hazard detection and safety maneuvers for maritime autonomy with vision-language models"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2512.24470","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:3f29ec8ef7034c2c144f7b5907490c64a14eeeb63056bd2f9fb7d5f4d9c1649f","target":"record","created_at":"2026-05-20T01:05:05Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"9e95160d7e0dff1dbd969603d07f51c7db0e98aaa4745b340c62c581b760db69","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.RO","submitted_at":"2025-12-30T21:20:41Z","title_canon_sha256":"e0431018a1bd43e157990d7bf9d2822024d225a0e13d6359fa1418f4b4bcb6ca"},"schema_version":"1.0","source":{"id":"2512.24470","kind":"arxiv","version":2}},"canonical_sha256":"15e13e7e9e24fb2873a2b9e8eed01931cb73eafbd56510a5d01df5be4bc72bd4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"15e13e7e9e24fb2873a2b9e8eed01931cb73eafbd56510a5d01df5be4bc72bd4","first_computed_at":"2026-05-20T01:05:05.438888Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-20T01:05:05.438888Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bfM0rkVPPOZl7R9Cr+EPh+9nW0l9EHjiG4bzhIDx7+Nt6UP7Bjdwnqcno3BFrEMtYKARfAaM1cLqN1jDSijZDg==","signature_status":"signed_v1","signed_at":"2026-05-20T01:05:05.439759Z","signed_message":"canonical_sha256_bytes"},"source_id":"2512.24470","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3f29ec8ef7034c2c144f7b5907490c64a14eeeb63056bd2f9fb7d5f4d9c1649f","sha256:3b1d0ac9e6fd6f5c151e185f656de621718820ea2d7c068bcb3932daf0711710"],"state_sha256":"19dc25aef39b21ca316f4573c691dcf4860e8563460a48f9a79d3c5ea4a79cfc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KjxoSO3nfKnqK9nJan5vpUns3Ct0ztR+r0OgMcmxWekLxJn22wGLAlN6gfTekWUJn5c8qV4CzyrajvloYIPeDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-19T20:51:46.523587Z","bundle_sha256":"3791476fd0f6a9e058ea54f71e4b261d22e6be728ebff5247eb81a69717ccf1e"}}