{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:DL3BOM4GZLPZTC6DDLBU42GQ6Q","short_pith_number":"pith:DL3BOM4G","canonical_record":{"source":{"id":"1902.01131","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MA","submitted_at":"2019-02-04T11:39:54Z","cross_cats_sorted":[],"title_canon_sha256":"3fd949798bffe8eb58782828ac3659df3c12fdd9036fcef7ffae0f9c3eb6e1f2","abstract_canon_sha256":"47f7419a3d7cec4168d91d29ce2b1720f16430e3a1af35e799c76becac453d4c"},"schema_version":"1.0"},"canonical_sha256":"1af6173386cadf998bc31ac34e68d0f41b5a165809842c465a76aed7cf3182e5","source":{"kind":"arxiv","id":"1902.01131","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.01131","created_at":"2026-05-17T23:54:06Z"},{"alias_kind":"arxiv_version","alias_value":"1902.01131v4","created_at":"2026-05-17T23:54:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.01131","created_at":"2026-05-17T23:54:06Z"},{"alias_kind":"pith_short_12","alias_value":"DL3BOM4GZLPZ","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_16","alias_value":"DL3BOM4GZLPZTC6D","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_8","alias_value":"DL3BOM4G","created_at":"2026-05-18T12:33:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:DL3BOM4GZLPZTC6DDLBU42GQ6Q","target":"record","payload":{"canonical_record":{"source":{"id":"1902.01131","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MA","submitted_at":"2019-02-04T11:39:54Z","cross_cats_sorted":[],"title_canon_sha256":"3fd949798bffe8eb58782828ac3659df3c12fdd9036fcef7ffae0f9c3eb6e1f2","abstract_canon_sha256":"47f7419a3d7cec4168d91d29ce2b1720f16430e3a1af35e799c76becac453d4c"},"schema_version":"1.0"},"canonical_sha256":"1af6173386cadf998bc31ac34e68d0f41b5a165809842c465a76aed7cf3182e5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:54:06.714297Z","signature_b64":"T5c9R6YVl2cm39LxWlH59W6GKbjN+a4EuVX9y/I42mn7U08yUlTWePgIecNyJLniO8aFqIh1vkpiZnQ1BmisBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1af6173386cadf998bc31ac34e68d0f41b5a165809842c465a76aed7cf3182e5","last_reissued_at":"2026-05-17T23:54:06.713766Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:54:06.713766Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1902.01131","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:54:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Rf847eiI+U6hOb0NJtXwOgOML04bKxXAxHv7qa3od2v+aWm4fgzc72w0fhXq5kBs2cPx2sCm3bPV+mePS5LOCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T09:05:42.290026Z"},"content_sha256":"cc809d69fc99727493098419e7f8a28d5081158ac1548701f8a4715183f811d3","schema_version":"1.0","event_id":"sha256:cc809d69fc99727493098419e7f8a28d5081158ac1548701f8a4715183f811d3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:DL3BOM4GZLPZTC6DDLBU42GQ6Q","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the Enactability of Agent Interaction Protocols: Toward a Unified Approach","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.MA","authors_text":"Angelo Ferrando, Frank Dignum, Michael Winikoff, Stephen Cranefield, Viviana Mascardi","submitted_at":"2019-02-04T11:39:54Z","abstract_excerpt":"Interactions between agents are usually designed from a global viewpoint. However, the implementation of a multi-agent interaction is distributed. This difference can introduce issues. For instance, it is possible to specify protocols from a global viewpoint that cannot be implemented as a collection of individual agents. This leads naturally to the question of whether a given (global) protocol is enactable. We consider this question in a powerful setting (trace expression), considering a range of message ordering interpretations (what does it mean to say that an interaction step occurs before"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.01131","kind":"arxiv","version":4},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"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":"2026-05-17T23:54:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vKJxfoo9rCnPDZl2jGheBDiVBxnnmyiTD27pWWhbAwZeEeOiIP8hc8+2IdVLZBNqL+497M66ZLZuavC/465dAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T09:05:42.290388Z"},"content_sha256":"d9a1a4bd75cca7d8eaf77f32b19ae6ab83c31fd43ccb685fc39aca1e8ca10c35","schema_version":"1.0","event_id":"sha256:d9a1a4bd75cca7d8eaf77f32b19ae6ab83c31fd43ccb685fc39aca1e8ca10c35"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DL3BOM4GZLPZTC6DDLBU42GQ6Q/bundle.json","state_url":"https://pith.science/pith/DL3BOM4GZLPZTC6DDLBU42GQ6Q/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DL3BOM4GZLPZTC6DDLBU42GQ6Q/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":"2026-05-28T09:05:42Z","links":{"resolver":"https://pith.science/pith/DL3BOM4GZLPZTC6DDLBU42GQ6Q","bundle":"https://pith.science/pith/DL3BOM4GZLPZTC6DDLBU42GQ6Q/bundle.json","state":"https://pith.science/pith/DL3BOM4GZLPZTC6DDLBU42GQ6Q/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DL3BOM4GZLPZTC6DDLBU42GQ6Q/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:DL3BOM4GZLPZTC6DDLBU42GQ6Q","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":"47f7419a3d7cec4168d91d29ce2b1720f16430e3a1af35e799c76becac453d4c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MA","submitted_at":"2019-02-04T11:39:54Z","title_canon_sha256":"3fd949798bffe8eb58782828ac3659df3c12fdd9036fcef7ffae0f9c3eb6e1f2"},"schema_version":"1.0","source":{"id":"1902.01131","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.01131","created_at":"2026-05-17T23:54:06Z"},{"alias_kind":"arxiv_version","alias_value":"1902.01131v4","created_at":"2026-05-17T23:54:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.01131","created_at":"2026-05-17T23:54:06Z"},{"alias_kind":"pith_short_12","alias_value":"DL3BOM4GZLPZ","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_16","alias_value":"DL3BOM4GZLPZTC6D","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_8","alias_value":"DL3BOM4G","created_at":"2026-05-18T12:33:15Z"}],"graph_snapshots":[{"event_id":"sha256:d9a1a4bd75cca7d8eaf77f32b19ae6ab83c31fd43ccb685fc39aca1e8ca10c35","target":"graph","created_at":"2026-05-17T23:54:06Z","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"},"paper":{"abstract_excerpt":"Interactions between agents are usually designed from a global viewpoint. However, the implementation of a multi-agent interaction is distributed. This difference can introduce issues. For instance, it is possible to specify protocols from a global viewpoint that cannot be implemented as a collection of individual agents. This leads naturally to the question of whether a given (global) protocol is enactable. We consider this question in a powerful setting (trace expression), considering a range of message ordering interpretations (what does it mean to say that an interaction step occurs before","authors_text":"Angelo Ferrando, Frank Dignum, Michael Winikoff, Stephen Cranefield, Viviana Mascardi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MA","submitted_at":"2019-02-04T11:39:54Z","title":"On the Enactability of Agent Interaction Protocols: Toward a Unified Approach"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.01131","kind":"arxiv","version":4},"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:cc809d69fc99727493098419e7f8a28d5081158ac1548701f8a4715183f811d3","target":"record","created_at":"2026-05-17T23:54:06Z","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":"47f7419a3d7cec4168d91d29ce2b1720f16430e3a1af35e799c76becac453d4c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MA","submitted_at":"2019-02-04T11:39:54Z","title_canon_sha256":"3fd949798bffe8eb58782828ac3659df3c12fdd9036fcef7ffae0f9c3eb6e1f2"},"schema_version":"1.0","source":{"id":"1902.01131","kind":"arxiv","version":4}},"canonical_sha256":"1af6173386cadf998bc31ac34e68d0f41b5a165809842c465a76aed7cf3182e5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1af6173386cadf998bc31ac34e68d0f41b5a165809842c465a76aed7cf3182e5","first_computed_at":"2026-05-17T23:54:06.713766Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:54:06.713766Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"T5c9R6YVl2cm39LxWlH59W6GKbjN+a4EuVX9y/I42mn7U08yUlTWePgIecNyJLniO8aFqIh1vkpiZnQ1BmisBQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:54:06.714297Z","signed_message":"canonical_sha256_bytes"},"source_id":"1902.01131","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cc809d69fc99727493098419e7f8a28d5081158ac1548701f8a4715183f811d3","sha256:d9a1a4bd75cca7d8eaf77f32b19ae6ab83c31fd43ccb685fc39aca1e8ca10c35"],"state_sha256":"f8b246a9715571fa9a0d775dcbe08159ebf90ad36a5acaaa214817a5ff90e939"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"N5At9qlsoKRwruyJmqZ5aaZvsV9lApC6b71GBDR15EQ82hXviImAMDpJE+PpOh85dzoTlSLTNKQPDcLjeKmSDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T09:05:42.292289Z","bundle_sha256":"9ddd12aab03330d4a5dfd0403e1144e91d16a34cb16d4da60c9cf16d4cb4319b"}}