{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:AFYXOCBX6A4RA7KZOO4GA4V2WY","short_pith_number":"pith:AFYXOCBX","canonical_record":{"source":{"id":"2606.09751","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.AI","submitted_at":"2026-06-08T17:11:42Z","cross_cats_sorted":["cs.CL","cs.HC"],"title_canon_sha256":"00c1b080fffa787dac4e035bb60a5b35fe31115f336e0645da41e975c4057e58","abstract_canon_sha256":"280b0dec6fede0d092f7e0f32508c2126d37c56124aa9c667ff8f3d60734f8b6"},"schema_version":"1.0"},"canonical_sha256":"0171770837f039107d5973b86072bab63985f5477dcadf3fc9e02e79ead14daf","source":{"kind":"arxiv","id":"2606.09751","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.09751","created_at":"2026-06-09T02:09:07Z"},{"alias_kind":"arxiv_version","alias_value":"2606.09751v1","created_at":"2026-06-09T02:09:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.09751","created_at":"2026-06-09T02:09:07Z"},{"alias_kind":"pith_short_12","alias_value":"AFYXOCBX6A4R","created_at":"2026-06-09T02:09:07Z"},{"alias_kind":"pith_short_16","alias_value":"AFYXOCBX6A4RA7KZ","created_at":"2026-06-09T02:09:07Z"},{"alias_kind":"pith_short_8","alias_value":"AFYXOCBX","created_at":"2026-06-09T02:09:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:AFYXOCBX6A4RA7KZOO4GA4V2WY","target":"record","payload":{"canonical_record":{"source":{"id":"2606.09751","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.AI","submitted_at":"2026-06-08T17:11:42Z","cross_cats_sorted":["cs.CL","cs.HC"],"title_canon_sha256":"00c1b080fffa787dac4e035bb60a5b35fe31115f336e0645da41e975c4057e58","abstract_canon_sha256":"280b0dec6fede0d092f7e0f32508c2126d37c56124aa9c667ff8f3d60734f8b6"},"schema_version":"1.0"},"canonical_sha256":"0171770837f039107d5973b86072bab63985f5477dcadf3fc9e02e79ead14daf","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-09T02:09:07.608859Z","signature_b64":"ZuGMbrfnzWQhXpZ337BeuQTIWF6QS87UvMgm3C/4lrSsu273LA2p0ZvUfGBhJg/U0hvClymbh5RB9XvFrG8wDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0171770837f039107d5973b86072bab63985f5477dcadf3fc9e02e79ead14daf","last_reissued_at":"2026-06-09T02:09:07.607920Z","signature_status":"signed_v1","first_computed_at":"2026-06-09T02:09:07.607920Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.09751","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-06-09T02:09:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SHiTXTdymBcAbccN6UwbzyYMJ310uIZAxpXXq0wAgq5V6Z2LZAlJn64PbR2utJ3/e+JH4eNT+iXrnAwet+J4AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T13:27:18.182407Z"},"content_sha256":"473d70da844f37583770864e0060d15ce55c7823a77fc731274e2eecb4d42422","schema_version":"1.0","event_id":"sha256:473d70da844f37583770864e0060d15ce55c7823a77fc731274e2eecb4d42422"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:AFYXOCBX6A4RA7KZOO4GA4V2WY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Collaborative Human-Agent Protocol (CHAP)","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.CL","cs.HC"],"primary_cat":"cs.AI","authors_text":"Arsalan Shahid, Gordon Suttie, Philip Black","submitted_at":"2026-06-08T17:11:42Z","abstract_excerpt":"Foundation models are moving from response generation into operational roles. They plan across steps, call tools, request human input, coordinate with other agents, and increasingly carry responsibility for work that affects customers, claims, code, contracts, and clinical decisions. Production deployments are no longer one human supervising one model. They are multi-human, multi-agent collaborations that cross teams, time zones, and trust boundaries. The technical surface for this collaboration remains weakly specified. When an agent drafts a response and a human edits it before it ships, the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.09751","kind":"arxiv","version":1},"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/2606.09751/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":"2026-06-09T02:09:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XClbxC6W3fhIJUEIPlGj8CcLsGDOTOaEkdPHQNaslHla38z8JS2X1eisJCOntKz5GPK6anTC3Wqr525XAoOyAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T13:27:18.183012Z"},"content_sha256":"1f31ff16ffa444b29d378d2f9ff688bdca0953e80c8b75df39d262e064940c21","schema_version":"1.0","event_id":"sha256:1f31ff16ffa444b29d378d2f9ff688bdca0953e80c8b75df39d262e064940c21"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AFYXOCBX6A4RA7KZOO4GA4V2WY/bundle.json","state_url":"https://pith.science/pith/AFYXOCBX6A4RA7KZOO4GA4V2WY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AFYXOCBX6A4RA7KZOO4GA4V2WY/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":"2026-06-22T13:27:18Z","links":{"resolver":"https://pith.science/pith/AFYXOCBX6A4RA7KZOO4GA4V2WY","bundle":"https://pith.science/pith/AFYXOCBX6A4RA7KZOO4GA4V2WY/bundle.json","state":"https://pith.science/pith/AFYXOCBX6A4RA7KZOO4GA4V2WY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AFYXOCBX6A4RA7KZOO4GA4V2WY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:AFYXOCBX6A4RA7KZOO4GA4V2WY","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":"280b0dec6fede0d092f7e0f32508c2126d37c56124aa9c667ff8f3d60734f8b6","cross_cats_sorted":["cs.CL","cs.HC"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.AI","submitted_at":"2026-06-08T17:11:42Z","title_canon_sha256":"00c1b080fffa787dac4e035bb60a5b35fe31115f336e0645da41e975c4057e58"},"schema_version":"1.0","source":{"id":"2606.09751","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.09751","created_at":"2026-06-09T02:09:07Z"},{"alias_kind":"arxiv_version","alias_value":"2606.09751v1","created_at":"2026-06-09T02:09:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.09751","created_at":"2026-06-09T02:09:07Z"},{"alias_kind":"pith_short_12","alias_value":"AFYXOCBX6A4R","created_at":"2026-06-09T02:09:07Z"},{"alias_kind":"pith_short_16","alias_value":"AFYXOCBX6A4RA7KZ","created_at":"2026-06-09T02:09:07Z"},{"alias_kind":"pith_short_8","alias_value":"AFYXOCBX","created_at":"2026-06-09T02:09:07Z"}],"graph_snapshots":[{"event_id":"sha256:1f31ff16ffa444b29d378d2f9ff688bdca0953e80c8b75df39d262e064940c21","target":"graph","created_at":"2026-06-09T02:09:07Z","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/2606.09751/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Foundation models are moving from response generation into operational roles. They plan across steps, call tools, request human input, coordinate with other agents, and increasingly carry responsibility for work that affects customers, claims, code, contracts, and clinical decisions. Production deployments are no longer one human supervising one model. They are multi-human, multi-agent collaborations that cross teams, time zones, and trust boundaries. The technical surface for this collaboration remains weakly specified. When an agent drafts a response and a human edits it before it ships, the","authors_text":"Arsalan Shahid, Gordon Suttie, Philip Black","cross_cats":["cs.CL","cs.HC"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.AI","submitted_at":"2026-06-08T17:11:42Z","title":"Collaborative Human-Agent Protocol (CHAP)"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.09751","kind":"arxiv","version":1},"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":"sha256:473d70da844f37583770864e0060d15ce55c7823a77fc731274e2eecb4d42422","target":"record","created_at":"2026-06-09T02:09:07Z","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":"280b0dec6fede0d092f7e0f32508c2126d37c56124aa9c667ff8f3d60734f8b6","cross_cats_sorted":["cs.CL","cs.HC"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.AI","submitted_at":"2026-06-08T17:11:42Z","title_canon_sha256":"00c1b080fffa787dac4e035bb60a5b35fe31115f336e0645da41e975c4057e58"},"schema_version":"1.0","source":{"id":"2606.09751","kind":"arxiv","version":1}},"canonical_sha256":"0171770837f039107d5973b86072bab63985f5477dcadf3fc9e02e79ead14daf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0171770837f039107d5973b86072bab63985f5477dcadf3fc9e02e79ead14daf","first_computed_at":"2026-06-09T02:09:07.607920Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-09T02:09:07.607920Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZuGMbrfnzWQhXpZ337BeuQTIWF6QS87UvMgm3C/4lrSsu273LA2p0ZvUfGBhJg/U0hvClymbh5RB9XvFrG8wDg==","signature_status":"signed_v1","signed_at":"2026-06-09T02:09:07.608859Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.09751","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:473d70da844f37583770864e0060d15ce55c7823a77fc731274e2eecb4d42422","sha256:1f31ff16ffa444b29d378d2f9ff688bdca0953e80c8b75df39d262e064940c21"],"state_sha256":"e6ada6f1490f94e08c8acb811d0ce5ac784a8ec9819b2576defde10d58c6b76b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0Jywbx3E+j9jfNLySvzXigclpdpH9wVO6ng1wbdGEMdY0Dd9eQUef7sZ9hkk4HDUMbmnHH69dbjTjKgYxuq2BQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-22T13:27:18.185783Z","bundle_sha256":"9cdeb3aa12a152f8ed69140e0dec0a66ef49d1f14afc02c8104a59a40bfbf5c3"}}