{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:HSJ6ZS5C7ARTJP4LYKCOXPVBBQ","short_pith_number":"pith:HSJ6ZS5C","canonical_record":{"source":{"id":"1310.4829","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-10-17T20:00:07Z","cross_cats_sorted":[],"title_canon_sha256":"df6c20e5c2b65a2ac08862a438651e8738c3ae4225e0bf7768b0cfcfcf2fb520","abstract_canon_sha256":"08e3a1057d89de443585255788cfa0519cda4aa0e158a187e8548dc355220882"},"schema_version":"1.0"},"canonical_sha256":"3c93eccba2f82334bf8bc284ebbea10c2537f927bd5fb0717d4203e3882952a7","source":{"kind":"arxiv","id":"1310.4829","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1310.4829","created_at":"2026-05-18T01:46:58Z"},{"alias_kind":"arxiv_version","alias_value":"1310.4829v1","created_at":"2026-05-18T01:46:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.4829","created_at":"2026-05-18T01:46:58Z"},{"alias_kind":"pith_short_12","alias_value":"HSJ6ZS5C7ART","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_16","alias_value":"HSJ6ZS5C7ARTJP4L","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_8","alias_value":"HSJ6ZS5C","created_at":"2026-05-18T12:27:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:HSJ6ZS5C7ARTJP4LYKCOXPVBBQ","target":"record","payload":{"canonical_record":{"source":{"id":"1310.4829","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-10-17T20:00:07Z","cross_cats_sorted":[],"title_canon_sha256":"df6c20e5c2b65a2ac08862a438651e8738c3ae4225e0bf7768b0cfcfcf2fb520","abstract_canon_sha256":"08e3a1057d89de443585255788cfa0519cda4aa0e158a187e8548dc355220882"},"schema_version":"1.0"},"canonical_sha256":"3c93eccba2f82334bf8bc284ebbea10c2537f927bd5fb0717d4203e3882952a7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:46:58.245625Z","signature_b64":"63qNfS58iIy6uMkJHC9eBhEG9uxep/FzAyfJBdUr5VojiCoKVLhg6T5UQFwlSmBBTQAgzAzFKr6EYhh4baHFAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3c93eccba2f82334bf8bc284ebbea10c2537f927bd5fb0717d4203e3882952a7","last_reissued_at":"2026-05-18T01:46:58.245032Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:46:58.245032Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1310.4829","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":"2026-05-18T01:46:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yeuHCmeUDm+etPWmwUQS/qP8tDcskWM8oO3RQXqco/PKxGKOkaXo5euxts8yi3P/emx31iCRrjr8oFkoPtQ3DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T19:05:09.324126Z"},"content_sha256":"9e962e3eb4cdbed5f2aafa1ec6277c87426196ba8629d3d3963154b35127fcdb","schema_version":"1.0","event_id":"sha256:9e962e3eb4cdbed5f2aafa1ec6277c87426196ba8629d3d3963154b35127fcdb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:HSJ6ZS5C7ARTJP4LYKCOXPVBBQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"G2C2 II: Integrated colour-metallicity relations for Galactic Globular Clusters in SDSS passbands","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Andr\\'es Jord\\'an, Eric W. Peng, Joachim Vanderbeke, John P. Blakeslee, Laura Ferrarese, Maarten Baes, Marianne Takamiya, Michael Gregg, Michael J. West, Patrick C\\^ot\\'e, Roberto De Propris","submitted_at":"2013-10-17T20:00:07Z","abstract_excerpt":"We use our integrated SDSS photometry for 96 globular clusters in $g$ and $z$, as well as $r$ and $i$ photometry for a subset of 56 clusters, to derive the integrated colour-metallicity relation (CMR) for Galactic globular clusters. We compare this relation to previous work, including extragalactic clusters, and examine the influence of age, present-day mass function variations, structural parameters and the morphology of the horizontal branch on the relation. Moreover, we scrutinise the scatter introduced by foreground extinction (including differential reddening) and show that the scatter in"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.4829","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":"2026-05-18T01:46:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"afH/ZytFWYO8fRCSwLO4vsE3fFSIHppvKfwZ9SPIHAn/hc6zlG0eytie0qyUvcpQ1Y1SWG6dz8Pw502sl+HXDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T19:05:09.324480Z"},"content_sha256":"9db6519bfbada6dd517a4497e7317bd6e40d3f9167481e28d7fd4c1f1ceae135","schema_version":"1.0","event_id":"sha256:9db6519bfbada6dd517a4497e7317bd6e40d3f9167481e28d7fd4c1f1ceae135"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HSJ6ZS5C7ARTJP4LYKCOXPVBBQ/bundle.json","state_url":"https://pith.science/pith/HSJ6ZS5C7ARTJP4LYKCOXPVBBQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HSJ6ZS5C7ARTJP4LYKCOXPVBBQ/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":"2026-06-01T19:05:09Z","links":{"resolver":"https://pith.science/pith/HSJ6ZS5C7ARTJP4LYKCOXPVBBQ","bundle":"https://pith.science/pith/HSJ6ZS5C7ARTJP4LYKCOXPVBBQ/bundle.json","state":"https://pith.science/pith/HSJ6ZS5C7ARTJP4LYKCOXPVBBQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HSJ6ZS5C7ARTJP4LYKCOXPVBBQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:HSJ6ZS5C7ARTJP4LYKCOXPVBBQ","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":"08e3a1057d89de443585255788cfa0519cda4aa0e158a187e8548dc355220882","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-10-17T20:00:07Z","title_canon_sha256":"df6c20e5c2b65a2ac08862a438651e8738c3ae4225e0bf7768b0cfcfcf2fb520"},"schema_version":"1.0","source":{"id":"1310.4829","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1310.4829","created_at":"2026-05-18T01:46:58Z"},{"alias_kind":"arxiv_version","alias_value":"1310.4829v1","created_at":"2026-05-18T01:46:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.4829","created_at":"2026-05-18T01:46:58Z"},{"alias_kind":"pith_short_12","alias_value":"HSJ6ZS5C7ART","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_16","alias_value":"HSJ6ZS5C7ARTJP4L","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_8","alias_value":"HSJ6ZS5C","created_at":"2026-05-18T12:27:46Z"}],"graph_snapshots":[{"event_id":"sha256:9db6519bfbada6dd517a4497e7317bd6e40d3f9167481e28d7fd4c1f1ceae135","target":"graph","created_at":"2026-05-18T01:46:58Z","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 use our integrated SDSS photometry for 96 globular clusters in $g$ and $z$, as well as $r$ and $i$ photometry for a subset of 56 clusters, to derive the integrated colour-metallicity relation (CMR) for Galactic globular clusters. We compare this relation to previous work, including extragalactic clusters, and examine the influence of age, present-day mass function variations, structural parameters and the morphology of the horizontal branch on the relation. Moreover, we scrutinise the scatter introduced by foreground extinction (including differential reddening) and show that the scatter in","authors_text":"Andr\\'es Jord\\'an, Eric W. Peng, Joachim Vanderbeke, John P. Blakeslee, Laura Ferrarese, Maarten Baes, Marianne Takamiya, Michael Gregg, Michael J. West, Patrick C\\^ot\\'e, Roberto De Propris","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-10-17T20:00:07Z","title":"G2C2 II: Integrated colour-metallicity relations for Galactic Globular Clusters in SDSS passbands"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.4829","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":"sha256:9e962e3eb4cdbed5f2aafa1ec6277c87426196ba8629d3d3963154b35127fcdb","target":"record","created_at":"2026-05-18T01:46:58Z","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":"08e3a1057d89de443585255788cfa0519cda4aa0e158a187e8548dc355220882","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-10-17T20:00:07Z","title_canon_sha256":"df6c20e5c2b65a2ac08862a438651e8738c3ae4225e0bf7768b0cfcfcf2fb520"},"schema_version":"1.0","source":{"id":"1310.4829","kind":"arxiv","version":1}},"canonical_sha256":"3c93eccba2f82334bf8bc284ebbea10c2537f927bd5fb0717d4203e3882952a7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3c93eccba2f82334bf8bc284ebbea10c2537f927bd5fb0717d4203e3882952a7","first_computed_at":"2026-05-18T01:46:58.245032Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:46:58.245032Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"63qNfS58iIy6uMkJHC9eBhEG9uxep/FzAyfJBdUr5VojiCoKVLhg6T5UQFwlSmBBTQAgzAzFKr6EYhh4baHFAg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:46:58.245625Z","signed_message":"canonical_sha256_bytes"},"source_id":"1310.4829","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9e962e3eb4cdbed5f2aafa1ec6277c87426196ba8629d3d3963154b35127fcdb","sha256:9db6519bfbada6dd517a4497e7317bd6e40d3f9167481e28d7fd4c1f1ceae135"],"state_sha256":"6390635134cdca501c278299ed62c1e21b1fa50ca7979c08207cb75a4906c741"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lta6tK1MJPr9ZaCEKvf5UL6KgbWqdI24L0CgXFAx6KwS9caSWsu2J0jkTX6IrgfuKas/zzoH107arGZIoLM7AA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T19:05:09.326401Z","bundle_sha256":"3b56f9c3bdf72292911c27abc8731f68f52f333688cf43edd91b60ba5b25d0e0"}}