{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:F4RTC2OJI2FBWETBMVAEATCJWN","short_pith_number":"pith:F4RTC2OJ","canonical_record":{"source":{"id":"1305.6184","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LO","submitted_at":"2013-05-27T11:48:11Z","cross_cats_sorted":[],"title_canon_sha256":"d2936b2e59c9c20654c3c437122a9ff1723401902b5775e3ac6d3f133f9487e9","abstract_canon_sha256":"858b320c859a9968869e48bb529a9a52b552c202d924e79cecde4781cd1708e8"},"schema_version":"1.0"},"canonical_sha256":"2f233169c9468a1b12616540404c49b37f7a16b6c997c49384e648fec9625a20","source":{"kind":"arxiv","id":"1305.6184","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.6184","created_at":"2026-05-18T03:24:52Z"},{"alias_kind":"arxiv_version","alias_value":"1305.6184v1","created_at":"2026-05-18T03:24:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.6184","created_at":"2026-05-18T03:24:52Z"},{"alias_kind":"pith_short_12","alias_value":"F4RTC2OJI2FB","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_16","alias_value":"F4RTC2OJI2FBWETB","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_8","alias_value":"F4RTC2OJ","created_at":"2026-05-18T12:27:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:F4RTC2OJI2FBWETBMVAEATCJWN","target":"record","payload":{"canonical_record":{"source":{"id":"1305.6184","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LO","submitted_at":"2013-05-27T11:48:11Z","cross_cats_sorted":[],"title_canon_sha256":"d2936b2e59c9c20654c3c437122a9ff1723401902b5775e3ac6d3f133f9487e9","abstract_canon_sha256":"858b320c859a9968869e48bb529a9a52b552c202d924e79cecde4781cd1708e8"},"schema_version":"1.0"},"canonical_sha256":"2f233169c9468a1b12616540404c49b37f7a16b6c997c49384e648fec9625a20","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:24:52.005265Z","signature_b64":"1Gic8iK7pXQGD5yzNDZl6GzNgfT7j6LzyYAf2FeIZdlfVpBYQ8U8gXmgWljkBmCvhlAEX2Sy4UZr6KBmkGghDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2f233169c9468a1b12616540404c49b37f7a16b6c997c49384e648fec9625a20","last_reissued_at":"2026-05-18T03:24:52.004504Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:24:52.004504Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1305.6184","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":"2026-05-18T03:24:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SnnD4rJmmED+H1j9qZxAzeZeLf5qrHiR62KNJNXcNT/QFgKQNM6dIdcmrIKMl7IHTe94TccMO2rmJx7y5ckcCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T17:03:28.319589Z"},"content_sha256":"e8c822a1807af41644cb01fe5dc28562eadf5d3980bcec9afe164a63174d98f3","schema_version":"1.0","event_id":"sha256:e8c822a1807af41644cb01fe5dc28562eadf5d3980bcec9afe164a63174d98f3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:F4RTC2OJI2FBWETBMVAEATCJWN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Full abstraction for fair testing in CCS","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.LO","authors_text":"Tom Hirschowitz (LAMA)","submitted_at":"2013-05-27T11:48:11Z","abstract_excerpt":"In previous work with Pous, we defined a semantics for CCS which may both be viewed as an innocent presheaf semantics and as a concurrent game semantics. It is here proved that a behavioural equivalence induced by this semantics on CCS processes is fully abstract for fair testing equivalence. The proof relies on a new algebraic notion called playground, which represents the 'rule of the game'. From any playground, two languages, equipped with labelled transition systems, are derived, as well as a strong, functional bisimulation between them."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.6184","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":""},"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":"2026-05-18T03:24:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oyRsY5m1OIs9fn6nlhO6jeZredMcp0dzxJobIxpmN4Bw3T1s7DLcLygGgzYKybAQT3W4wsKsQ7OKlBNDaaUNCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T17:03:28.320238Z"},"content_sha256":"a198d8f35f1f0681bfd32f65287a8c5fd5b6dff2b57734c8d3eebdfaaa8a16df","schema_version":"1.0","event_id":"sha256:a198d8f35f1f0681bfd32f65287a8c5fd5b6dff2b57734c8d3eebdfaaa8a16df"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/F4RTC2OJI2FBWETBMVAEATCJWN/bundle.json","state_url":"https://pith.science/pith/F4RTC2OJI2FBWETBMVAEATCJWN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/F4RTC2OJI2FBWETBMVAEATCJWN/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":"2026-06-08T17:03:28Z","links":{"resolver":"https://pith.science/pith/F4RTC2OJI2FBWETBMVAEATCJWN","bundle":"https://pith.science/pith/F4RTC2OJI2FBWETBMVAEATCJWN/bundle.json","state":"https://pith.science/pith/F4RTC2OJI2FBWETBMVAEATCJWN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/F4RTC2OJI2FBWETBMVAEATCJWN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:F4RTC2OJI2FBWETBMVAEATCJWN","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":"858b320c859a9968869e48bb529a9a52b552c202d924e79cecde4781cd1708e8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LO","submitted_at":"2013-05-27T11:48:11Z","title_canon_sha256":"d2936b2e59c9c20654c3c437122a9ff1723401902b5775e3ac6d3f133f9487e9"},"schema_version":"1.0","source":{"id":"1305.6184","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.6184","created_at":"2026-05-18T03:24:52Z"},{"alias_kind":"arxiv_version","alias_value":"1305.6184v1","created_at":"2026-05-18T03:24:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.6184","created_at":"2026-05-18T03:24:52Z"},{"alias_kind":"pith_short_12","alias_value":"F4RTC2OJI2FB","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_16","alias_value":"F4RTC2OJI2FBWETB","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_8","alias_value":"F4RTC2OJ","created_at":"2026-05-18T12:27:43Z"}],"graph_snapshots":[{"event_id":"sha256:a198d8f35f1f0681bfd32f65287a8c5fd5b6dff2b57734c8d3eebdfaaa8a16df","target":"graph","created_at":"2026-05-18T03:24:52Z","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":"In previous work with Pous, we defined a semantics for CCS which may both be viewed as an innocent presheaf semantics and as a concurrent game semantics. It is here proved that a behavioural equivalence induced by this semantics on CCS processes is fully abstract for fair testing equivalence. The proof relies on a new algebraic notion called playground, which represents the 'rule of the game'. From any playground, two languages, equipped with labelled transition systems, are derived, as well as a strong, functional bisimulation between them.","authors_text":"Tom Hirschowitz (LAMA)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LO","submitted_at":"2013-05-27T11:48:11Z","title":"Full abstraction for fair testing in CCS"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.6184","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:e8c822a1807af41644cb01fe5dc28562eadf5d3980bcec9afe164a63174d98f3","target":"record","created_at":"2026-05-18T03:24:52Z","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":"858b320c859a9968869e48bb529a9a52b552c202d924e79cecde4781cd1708e8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LO","submitted_at":"2013-05-27T11:48:11Z","title_canon_sha256":"d2936b2e59c9c20654c3c437122a9ff1723401902b5775e3ac6d3f133f9487e9"},"schema_version":"1.0","source":{"id":"1305.6184","kind":"arxiv","version":1}},"canonical_sha256":"2f233169c9468a1b12616540404c49b37f7a16b6c997c49384e648fec9625a20","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2f233169c9468a1b12616540404c49b37f7a16b6c997c49384e648fec9625a20","first_computed_at":"2026-05-18T03:24:52.004504Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:24:52.004504Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1Gic8iK7pXQGD5yzNDZl6GzNgfT7j6LzyYAf2FeIZdlfVpBYQ8U8gXmgWljkBmCvhlAEX2Sy4UZr6KBmkGghDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:24:52.005265Z","signed_message":"canonical_sha256_bytes"},"source_id":"1305.6184","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e8c822a1807af41644cb01fe5dc28562eadf5d3980bcec9afe164a63174d98f3","sha256:a198d8f35f1f0681bfd32f65287a8c5fd5b6dff2b57734c8d3eebdfaaa8a16df"],"state_sha256":"0ffd33b3a3b6c3303bb066b967640a51b906f973a7d1658ddcfa77d508b7c6d0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"U4Hp4ao4rulpIwNv6wXcVdJZhnaxXrOtQhyXpVzXIznIzIZiK2Y4/H4JayIFQX9Bw9bBNv1eqQUwbNfXZRjBCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T17:03:28.324671Z","bundle_sha256":"197edd11095f062fc46cb181431fd55f021d0641f58d42d538332e8fde666dc2"}}