{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:4657CTTET3GZUZDLWNSTYM3HBA","short_pith_number":"pith:4657CTTE","canonical_record":{"source":{"id":"1209.0586","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-09-04T10:01:21Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"6a358ac2fa35a9b30be929c82ee92646ca9d696cfb9416fa913ac50d94645547","abstract_canon_sha256":"747cec1bfd5e9094d2892bedc93405f7861b37e3bb2bcd91d8889b609327a48b"},"schema_version":"1.0"},"canonical_sha256":"e7bbf14e649ecd9a646bb3653c3367082eb00a2447fd113bf193010511b187c4","source":{"kind":"arxiv","id":"1209.0586","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1209.0586","created_at":"2026-05-18T01:54:40Z"},{"alias_kind":"arxiv_version","alias_value":"1209.0586v1","created_at":"2026-05-18T01:54:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1209.0586","created_at":"2026-05-18T01:54:40Z"},{"alias_kind":"pith_short_12","alias_value":"4657CTTET3GZ","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_16","alias_value":"4657CTTET3GZUZDL","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_8","alias_value":"4657CTTE","created_at":"2026-05-18T12:26:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:4657CTTET3GZUZDLWNSTYM3HBA","target":"record","payload":{"canonical_record":{"source":{"id":"1209.0586","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-09-04T10:01:21Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"6a358ac2fa35a9b30be929c82ee92646ca9d696cfb9416fa913ac50d94645547","abstract_canon_sha256":"747cec1bfd5e9094d2892bedc93405f7861b37e3bb2bcd91d8889b609327a48b"},"schema_version":"1.0"},"canonical_sha256":"e7bbf14e649ecd9a646bb3653c3367082eb00a2447fd113bf193010511b187c4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:54:40.970360Z","signature_b64":"IN+QxYHOEWkPIBNlAB/KQRoFRtjmGzRIL7qU9CouNkJL/7CYtX302zSS+LSpGDVYLeqphn7n4d3spXh8c4lLCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e7bbf14e649ecd9a646bb3653c3367082eb00a2447fd113bf193010511b187c4","last_reissued_at":"2026-05-18T01:54:40.969633Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:54:40.969633Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1209.0586","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":"2026-05-18T01:54:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FsBLAIE52U9hb58rGJ9bJqZGPv3Uj2scs8cWGUInn3OfoBvuGTbJe6oYX9k08o/1vXvTfHj9nF7d+Os6MiDACA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T08:17:02.396008Z"},"content_sha256":"d69b16e43e76c0ca662b903c42ccb616c65a04a7abcf3a90f5244642d199c436","schema_version":"1.0","event_id":"sha256:d69b16e43e76c0ca662b903c42ccb616c65a04a7abcf3a90f5244642d199c436"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:4657CTTET3GZUZDLWNSTYM3HBA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the orbital and internal evolution of cluster galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.CO","authors_text":"Francesca Iannuzzi, Klaus Dolag","submitted_at":"2012-09-04T10:01:21Z","abstract_excerpt":"Galaxies inhabiting a cluster environment experience significant evolution in their orbital motions throughout time; this is accompanied by changes in the anisotropy parameter, measuring the relative importance of radial and tangential motions for a given class of objects. Along with orbital changes, galaxies in clusters are well known to undergo severe alteration in their hot/cold gas content and star formation properties. Understanding the link between the changes in the internal properties of galaxies and their orbital motion is of crucial importance in the study of galaxy evolution, as it "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1209.0586","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":"2026-05-18T01:54:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Oku3vRdZDxMO3txtwvUCjgpf7zDf4aKXZqaCF8rHAEl4Rnb3c7QbLaDNLNSgqpJpVAWq9sFwJgiMrEWqSsFPDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T08:17:02.396630Z"},"content_sha256":"fafb2390d95063e74b14c83c38d8dde06e2ada1e137ca27b0dfff07320799137","schema_version":"1.0","event_id":"sha256:fafb2390d95063e74b14c83c38d8dde06e2ada1e137ca27b0dfff07320799137"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4657CTTET3GZUZDLWNSTYM3HBA/bundle.json","state_url":"https://pith.science/pith/4657CTTET3GZUZDLWNSTYM3HBA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4657CTTET3GZUZDLWNSTYM3HBA/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":"2026-06-08T08:17:02Z","links":{"resolver":"https://pith.science/pith/4657CTTET3GZUZDLWNSTYM3HBA","bundle":"https://pith.science/pith/4657CTTET3GZUZDLWNSTYM3HBA/bundle.json","state":"https://pith.science/pith/4657CTTET3GZUZDLWNSTYM3HBA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4657CTTET3GZUZDLWNSTYM3HBA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:4657CTTET3GZUZDLWNSTYM3HBA","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":"747cec1bfd5e9094d2892bedc93405f7861b37e3bb2bcd91d8889b609327a48b","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-09-04T10:01:21Z","title_canon_sha256":"6a358ac2fa35a9b30be929c82ee92646ca9d696cfb9416fa913ac50d94645547"},"schema_version":"1.0","source":{"id":"1209.0586","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1209.0586","created_at":"2026-05-18T01:54:40Z"},{"alias_kind":"arxiv_version","alias_value":"1209.0586v1","created_at":"2026-05-18T01:54:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1209.0586","created_at":"2026-05-18T01:54:40Z"},{"alias_kind":"pith_short_12","alias_value":"4657CTTET3GZ","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_16","alias_value":"4657CTTET3GZUZDL","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_8","alias_value":"4657CTTE","created_at":"2026-05-18T12:26:53Z"}],"graph_snapshots":[{"event_id":"sha256:fafb2390d95063e74b14c83c38d8dde06e2ada1e137ca27b0dfff07320799137","target":"graph","created_at":"2026-05-18T01:54:40Z","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":"Galaxies inhabiting a cluster environment experience significant evolution in their orbital motions throughout time; this is accompanied by changes in the anisotropy parameter, measuring the relative importance of radial and tangential motions for a given class of objects. Along with orbital changes, galaxies in clusters are well known to undergo severe alteration in their hot/cold gas content and star formation properties. Understanding the link between the changes in the internal properties of galaxies and their orbital motion is of crucial importance in the study of galaxy evolution, as it ","authors_text":"Francesca Iannuzzi, Klaus Dolag","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-09-04T10:01:21Z","title":"On the orbital and internal evolution of cluster galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1209.0586","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:d69b16e43e76c0ca662b903c42ccb616c65a04a7abcf3a90f5244642d199c436","target":"record","created_at":"2026-05-18T01:54:40Z","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":"747cec1bfd5e9094d2892bedc93405f7861b37e3bb2bcd91d8889b609327a48b","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-09-04T10:01:21Z","title_canon_sha256":"6a358ac2fa35a9b30be929c82ee92646ca9d696cfb9416fa913ac50d94645547"},"schema_version":"1.0","source":{"id":"1209.0586","kind":"arxiv","version":1}},"canonical_sha256":"e7bbf14e649ecd9a646bb3653c3367082eb00a2447fd113bf193010511b187c4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e7bbf14e649ecd9a646bb3653c3367082eb00a2447fd113bf193010511b187c4","first_computed_at":"2026-05-18T01:54:40.969633Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:54:40.969633Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IN+QxYHOEWkPIBNlAB/KQRoFRtjmGzRIL7qU9CouNkJL/7CYtX302zSS+LSpGDVYLeqphn7n4d3spXh8c4lLCw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:54:40.970360Z","signed_message":"canonical_sha256_bytes"},"source_id":"1209.0586","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d69b16e43e76c0ca662b903c42ccb616c65a04a7abcf3a90f5244642d199c436","sha256:fafb2390d95063e74b14c83c38d8dde06e2ada1e137ca27b0dfff07320799137"],"state_sha256":"d2c0aab145549afdb006a8dec8a0919cb2ad9da509a5a18f17ec4b3cf3e5b17e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zGF/sguAfadZ1kAo4Tr/JhapJRiJLuhxhRP20qrgbBmMY4YC0mCAvhFS6emhmdAqirsQxku88WHD7xY/xIz8Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T08:17:02.400373Z","bundle_sha256":"dbcbd317ddba0ac19ccf2d7c2c72fae07796e8595ca167bcff031b03ff8204f1"}}