{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:TMR6ZRFV6GGAIKL2BCEJMUBWRY","short_pith_number":"pith:TMR6ZRFV","canonical_record":{"source":{"id":"1305.1622","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-05-07T20:00:01Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"92f8aa5bd81e737b12ca3980fb33f3280db5cc2e3ce621dbb6f45d54ddbd7d14","abstract_canon_sha256":"b6dd219f91b7f3bd4283803f772dc5b4516dca5c7078a1b5c186d169ddd1d534"},"schema_version":"1.0"},"canonical_sha256":"9b23ecc4b5f18c04297a08889650368e3678e658dfbde20e78173dc8cd34f05a","source":{"kind":"arxiv","id":"1305.1622","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.1622","created_at":"2026-05-18T01:50:05Z"},{"alias_kind":"arxiv_version","alias_value":"1305.1622v1","created_at":"2026-05-18T01:50:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.1622","created_at":"2026-05-18T01:50:05Z"},{"alias_kind":"pith_short_12","alias_value":"TMR6ZRFV6GGA","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_16","alias_value":"TMR6ZRFV6GGAIKL2","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_8","alias_value":"TMR6ZRFV","created_at":"2026-05-18T12:28:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:TMR6ZRFV6GGAIKL2BCEJMUBWRY","target":"record","payload":{"canonical_record":{"source":{"id":"1305.1622","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-05-07T20:00:01Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"92f8aa5bd81e737b12ca3980fb33f3280db5cc2e3ce621dbb6f45d54ddbd7d14","abstract_canon_sha256":"b6dd219f91b7f3bd4283803f772dc5b4516dca5c7078a1b5c186d169ddd1d534"},"schema_version":"1.0"},"canonical_sha256":"9b23ecc4b5f18c04297a08889650368e3678e658dfbde20e78173dc8cd34f05a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:50:05.043184Z","signature_b64":"JN57Hm39sYV0yXHd6kB8CB46YIzwRGEHAb574OeG2W1NoOOjGKG0yXDq9z5gw6HrhgV2Lni6zVrjnmEllaPuAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9b23ecc4b5f18c04297a08889650368e3678e658dfbde20e78173dc8cd34f05a","last_reissued_at":"2026-05-18T01:50:05.042689Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:50:05.042689Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1305.1622","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":"2026-05-18T01:50:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KWAqKRVSwSr7OsB9B7UTc2lWrTJZg67rNYb2Whth30DLQng0NLqVISsgPKbdNN6l3Hy5l8pzbAf18gCQ2cW+Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T09:16:50.184993Z"},"content_sha256":"05b3a1bcc3be60f47d4166fe71257d0722c6e5125afbcd916670f8e25ba558af","schema_version":"1.0","event_id":"sha256:05b3a1bcc3be60f47d4166fe71257d0722c6e5125afbcd916670f8e25ba558af"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:TMR6ZRFV6GGAIKL2BCEJMUBWRY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Core collapse and horizontal-branch morphology in galactic globular clusters","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"Anthony Moraghan, Chul Chung, Enzo Brocato, Gabriella Raimondo, Mario Pasquato, Young-Wook Lee","submitted_at":"2013-05-07T20:00:01Z","abstract_excerpt":"Context. Stellar collision rates in globular clusters (GCs) do not appear to correlate with horizontal branch (HB) morphology, sug- gesting that dynamics does not play a role in the second-parameter problem. However, core densities and collision rates derived from surface-brightness may be significantly underestimated as the surface-brightness profile of GCs is not necessarily a good indicator of the dynamical state of GC cores. Core-collapse may go unnoticed if high central densities of dark remnants are present. Aims. We test whether GC HB morphology data supports a dynamical contribution to"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.1622","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":"2026-05-18T01:50:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BDgy4jrDrNZ3taISShFmFXKaZbJzvJ0HDoWsfyjHR1se6HVH98thGGbJ6xA0h/IZMC5kf9ck4udHnNhDFAwbCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T09:16:50.185820Z"},"content_sha256":"3ca7dce948fe6133f86206fd1533c66e1ff50df7a655433e0d5c8032a6379063","schema_version":"1.0","event_id":"sha256:3ca7dce948fe6133f86206fd1533c66e1ff50df7a655433e0d5c8032a6379063"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TMR6ZRFV6GGAIKL2BCEJMUBWRY/bundle.json","state_url":"https://pith.science/pith/TMR6ZRFV6GGAIKL2BCEJMUBWRY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TMR6ZRFV6GGAIKL2BCEJMUBWRY/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":"2026-06-10T09:16:50Z","links":{"resolver":"https://pith.science/pith/TMR6ZRFV6GGAIKL2BCEJMUBWRY","bundle":"https://pith.science/pith/TMR6ZRFV6GGAIKL2BCEJMUBWRY/bundle.json","state":"https://pith.science/pith/TMR6ZRFV6GGAIKL2BCEJMUBWRY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TMR6ZRFV6GGAIKL2BCEJMUBWRY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:TMR6ZRFV6GGAIKL2BCEJMUBWRY","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":"b6dd219f91b7f3bd4283803f772dc5b4516dca5c7078a1b5c186d169ddd1d534","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-05-07T20:00:01Z","title_canon_sha256":"92f8aa5bd81e737b12ca3980fb33f3280db5cc2e3ce621dbb6f45d54ddbd7d14"},"schema_version":"1.0","source":{"id":"1305.1622","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.1622","created_at":"2026-05-18T01:50:05Z"},{"alias_kind":"arxiv_version","alias_value":"1305.1622v1","created_at":"2026-05-18T01:50:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.1622","created_at":"2026-05-18T01:50:05Z"},{"alias_kind":"pith_short_12","alias_value":"TMR6ZRFV6GGA","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_16","alias_value":"TMR6ZRFV6GGAIKL2","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_8","alias_value":"TMR6ZRFV","created_at":"2026-05-18T12:28:02Z"}],"graph_snapshots":[{"event_id":"sha256:3ca7dce948fe6133f86206fd1533c66e1ff50df7a655433e0d5c8032a6379063","target":"graph","created_at":"2026-05-18T01:50:05Z","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":"Context. Stellar collision rates in globular clusters (GCs) do not appear to correlate with horizontal branch (HB) morphology, sug- gesting that dynamics does not play a role in the second-parameter problem. However, core densities and collision rates derived from surface-brightness may be significantly underestimated as the surface-brightness profile of GCs is not necessarily a good indicator of the dynamical state of GC cores. Core-collapse may go unnoticed if high central densities of dark remnants are present. Aims. We test whether GC HB morphology data supports a dynamical contribution to","authors_text":"Anthony Moraghan, Chul Chung, Enzo Brocato, Gabriella Raimondo, Mario Pasquato, Young-Wook Lee","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-05-07T20:00:01Z","title":"Core collapse and horizontal-branch morphology in galactic globular clusters"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.1622","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":"sha256:05b3a1bcc3be60f47d4166fe71257d0722c6e5125afbcd916670f8e25ba558af","target":"record","created_at":"2026-05-18T01:50:05Z","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":"b6dd219f91b7f3bd4283803f772dc5b4516dca5c7078a1b5c186d169ddd1d534","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-05-07T20:00:01Z","title_canon_sha256":"92f8aa5bd81e737b12ca3980fb33f3280db5cc2e3ce621dbb6f45d54ddbd7d14"},"schema_version":"1.0","source":{"id":"1305.1622","kind":"arxiv","version":1}},"canonical_sha256":"9b23ecc4b5f18c04297a08889650368e3678e658dfbde20e78173dc8cd34f05a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9b23ecc4b5f18c04297a08889650368e3678e658dfbde20e78173dc8cd34f05a","first_computed_at":"2026-05-18T01:50:05.042689Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:50:05.042689Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JN57Hm39sYV0yXHd6kB8CB46YIzwRGEHAb574OeG2W1NoOOjGKG0yXDq9z5gw6HrhgV2Lni6zVrjnmEllaPuAw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:50:05.043184Z","signed_message":"canonical_sha256_bytes"},"source_id":"1305.1622","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:05b3a1bcc3be60f47d4166fe71257d0722c6e5125afbcd916670f8e25ba558af","sha256:3ca7dce948fe6133f86206fd1533c66e1ff50df7a655433e0d5c8032a6379063"],"state_sha256":"1757ea1475e1a5d2270e6d9d4dfd29d121c73180af70801211a25aad30913878"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5ZNTI4Rf5pMna0uo0siqkw7Kpq0KKTDmuRgCGKNQUCMt+sB9Z57UbjmtPhtUVMvY6t2L6p3g0jXQPH6LpT2bBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-10T09:16:50.191291Z","bundle_sha256":"c48c9a02c426e7455ae564b124fb18991d683952c6a856e37599edf96d81b43f"}}