{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:6GAMEK2IBWSXXPWRBUODJO6MJM","short_pith_number":"pith:6GAMEK2I","canonical_record":{"source":{"id":"1501.00417","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-12-29T10:13:31Z","cross_cats_sorted":[],"title_canon_sha256":"49f5d998c0cfc261db775170072271ea36d3a86203d1e7aab82e63a1fe25e7f0","abstract_canon_sha256":"6d3133a6d978f3e9a33c706fbedc541df866eec4ad79c3ead1278e40c9d69ea7"},"schema_version":"1.0"},"canonical_sha256":"f180c22b480da57bbed10d1c34bbcc4b12e8bc2970fca270668b6714b1c6a89d","source":{"kind":"arxiv","id":"1501.00417","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.00417","created_at":"2026-05-18T01:09:40Z"},{"alias_kind":"arxiv_version","alias_value":"1501.00417v2","created_at":"2026-05-18T01:09:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.00417","created_at":"2026-05-18T01:09:40Z"},{"alias_kind":"pith_short_12","alias_value":"6GAMEK2IBWSX","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_16","alias_value":"6GAMEK2IBWSXXPWR","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_8","alias_value":"6GAMEK2I","created_at":"2026-05-18T12:28:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:6GAMEK2IBWSXXPWRBUODJO6MJM","target":"record","payload":{"canonical_record":{"source":{"id":"1501.00417","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-12-29T10:13:31Z","cross_cats_sorted":[],"title_canon_sha256":"49f5d998c0cfc261db775170072271ea36d3a86203d1e7aab82e63a1fe25e7f0","abstract_canon_sha256":"6d3133a6d978f3e9a33c706fbedc541df866eec4ad79c3ead1278e40c9d69ea7"},"schema_version":"1.0"},"canonical_sha256":"f180c22b480da57bbed10d1c34bbcc4b12e8bc2970fca270668b6714b1c6a89d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:09:40.016181Z","signature_b64":"1clnflzU/wDfW8sN9xrTr7CArtGuoBaihL0pK8KP/fLt1r7tfn643V33az45uaZ3lc9E0RHdGdPogb7B9V+cAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f180c22b480da57bbed10d1c34bbcc4b12e8bc2970fca270668b6714b1c6a89d","last_reissued_at":"2026-05-18T01:09:40.015737Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:09:40.015737Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1501.00417","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":"2026-05-18T01:09:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sxHaeU5XcyFqhmApWroeFBVjl+teAbSocG04qV1uAnbX0QRiHhUqkrwQIH4tvz2qBlzsut81DbEnI7GAkEmlBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T20:29:57.933871Z"},"content_sha256":"dd974219438da7347a16fa325128c6c947c290e2533b70fefbf1f2a4b06eb6ec","schema_version":"1.0","event_id":"sha256:dd974219438da7347a16fa325128c6c947c290e2533b70fefbf1f2a4b06eb6ec"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:6GAMEK2IBWSXXPWRBUODJO6MJM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"MOCCA Code for Star Cluster Simulation: Comparison with Optical Observations using COCOA","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Abbas Askar, Arkadiusz Hypki, Arkadiusz Olech, Mirek Giersz, Wojciech Pych","submitted_at":"2014-12-29T10:13:31Z","abstract_excerpt":"We introduce and present preliminary results from COCOA (Cluster simulatiOn Comparison with ObservAtions) code for a star cluster after 12 Gyrs of evolution simulated using the MOCCA code. The COCOA code is being developed to quickly compare results of numerical simulations of star clusters with observational data. We use COCOA to obtain parameters of the projected cluster model. For comparison, a FITS file of the projected cluster was provided to observers so that they could use their observational methods and techniques to obtain cluster parameters. The results show that the similarity of cl"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.00417","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":""},"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":"2026-05-18T01:09:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mNXhSm8EHvo7DSGilDdeBStpwAsO4fIm/M6+jQIU3TvXHs7p/pz+BvjAM+nY+MqGXqin7ZapXx/ZC5x/r/w2Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T20:29:57.934214Z"},"content_sha256":"5a073b65ecfc785f5bd3a06a45f313267d53ef035ea60bfa7181dd4b0add9c63","schema_version":"1.0","event_id":"sha256:5a073b65ecfc785f5bd3a06a45f313267d53ef035ea60bfa7181dd4b0add9c63"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6GAMEK2IBWSXXPWRBUODJO6MJM/bundle.json","state_url":"https://pith.science/pith/6GAMEK2IBWSXXPWRBUODJO6MJM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6GAMEK2IBWSXXPWRBUODJO6MJM/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":"2026-06-01T20:29:57Z","links":{"resolver":"https://pith.science/pith/6GAMEK2IBWSXXPWRBUODJO6MJM","bundle":"https://pith.science/pith/6GAMEK2IBWSXXPWRBUODJO6MJM/bundle.json","state":"https://pith.science/pith/6GAMEK2IBWSXXPWRBUODJO6MJM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6GAMEK2IBWSXXPWRBUODJO6MJM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:6GAMEK2IBWSXXPWRBUODJO6MJM","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":"6d3133a6d978f3e9a33c706fbedc541df866eec4ad79c3ead1278e40c9d69ea7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-12-29T10:13:31Z","title_canon_sha256":"49f5d998c0cfc261db775170072271ea36d3a86203d1e7aab82e63a1fe25e7f0"},"schema_version":"1.0","source":{"id":"1501.00417","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.00417","created_at":"2026-05-18T01:09:40Z"},{"alias_kind":"arxiv_version","alias_value":"1501.00417v2","created_at":"2026-05-18T01:09:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.00417","created_at":"2026-05-18T01:09:40Z"},{"alias_kind":"pith_short_12","alias_value":"6GAMEK2IBWSX","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_16","alias_value":"6GAMEK2IBWSXXPWR","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_8","alias_value":"6GAMEK2I","created_at":"2026-05-18T12:28:16Z"}],"graph_snapshots":[{"event_id":"sha256:5a073b65ecfc785f5bd3a06a45f313267d53ef035ea60bfa7181dd4b0add9c63","target":"graph","created_at":"2026-05-18T01:09:40Z","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":"We introduce and present preliminary results from COCOA (Cluster simulatiOn Comparison with ObservAtions) code for a star cluster after 12 Gyrs of evolution simulated using the MOCCA code. The COCOA code is being developed to quickly compare results of numerical simulations of star clusters with observational data. We use COCOA to obtain parameters of the projected cluster model. For comparison, a FITS file of the projected cluster was provided to observers so that they could use their observational methods and techniques to obtain cluster parameters. The results show that the similarity of cl","authors_text":"Abbas Askar, Arkadiusz Hypki, Arkadiusz Olech, Mirek Giersz, Wojciech Pych","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-12-29T10:13:31Z","title":"MOCCA Code for Star Cluster Simulation: Comparison with Optical Observations using COCOA"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.00417","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:dd974219438da7347a16fa325128c6c947c290e2533b70fefbf1f2a4b06eb6ec","target":"record","created_at":"2026-05-18T01:09:40Z","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":"6d3133a6d978f3e9a33c706fbedc541df866eec4ad79c3ead1278e40c9d69ea7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-12-29T10:13:31Z","title_canon_sha256":"49f5d998c0cfc261db775170072271ea36d3a86203d1e7aab82e63a1fe25e7f0"},"schema_version":"1.0","source":{"id":"1501.00417","kind":"arxiv","version":2}},"canonical_sha256":"f180c22b480da57bbed10d1c34bbcc4b12e8bc2970fca270668b6714b1c6a89d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f180c22b480da57bbed10d1c34bbcc4b12e8bc2970fca270668b6714b1c6a89d","first_computed_at":"2026-05-18T01:09:40.015737Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:09:40.015737Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1clnflzU/wDfW8sN9xrTr7CArtGuoBaihL0pK8KP/fLt1r7tfn643V33az45uaZ3lc9E0RHdGdPogb7B9V+cAg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:09:40.016181Z","signed_message":"canonical_sha256_bytes"},"source_id":"1501.00417","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dd974219438da7347a16fa325128c6c947c290e2533b70fefbf1f2a4b06eb6ec","sha256:5a073b65ecfc785f5bd3a06a45f313267d53ef035ea60bfa7181dd4b0add9c63"],"state_sha256":"4e4804971ecc9d6008e9502247fb81376791cfd77dc4e9784abbf5aa3bf4512c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wFGnQ2Onh4vfTUulGEtMUJ0Xw2C2yyj7M/q/AG+RJ08sV8aWHelnf41UcUru9nlhhcIix6IPy9sdwnFVhlD1DQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T20:29:57.936054Z","bundle_sha256":"b2c7a91a1483f1a15b44ff5f955bbcc23f39278ce536a20ddb5fe55e8b67bc62"}}