{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:N7UIHXBDFBUPRXQIFPAFSYM4OB","short_pith_number":"pith:N7UIHXBD","canonical_record":{"source":{"id":"1412.3209","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-12-10T06:23:22Z","cross_cats_sorted":[],"title_canon_sha256":"10c9833fbdbc53e9b95663685131bb88d42e4eb91069ef54b44394c3b0fe4170","abstract_canon_sha256":"960379194b5c72c8f900dd549d820db4663abed0a2dec246b9918480b346ef30"},"schema_version":"1.0"},"canonical_sha256":"6fe883dc232868f8de082bc059619c705c2a11d323cf31413d0ea4ecefd011dd","source":{"kind":"arxiv","id":"1412.3209","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1412.3209","created_at":"2026-05-18T02:26:46Z"},{"alias_kind":"arxiv_version","alias_value":"1412.3209v1","created_at":"2026-05-18T02:26:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.3209","created_at":"2026-05-18T02:26:46Z"},{"alias_kind":"pith_short_12","alias_value":"N7UIHXBDFBUP","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_16","alias_value":"N7UIHXBDFBUPRXQI","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_8","alias_value":"N7UIHXBD","created_at":"2026-05-18T12:28:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:N7UIHXBDFBUPRXQIFPAFSYM4OB","target":"record","payload":{"canonical_record":{"source":{"id":"1412.3209","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-12-10T06:23:22Z","cross_cats_sorted":[],"title_canon_sha256":"10c9833fbdbc53e9b95663685131bb88d42e4eb91069ef54b44394c3b0fe4170","abstract_canon_sha256":"960379194b5c72c8f900dd549d820db4663abed0a2dec246b9918480b346ef30"},"schema_version":"1.0"},"canonical_sha256":"6fe883dc232868f8de082bc059619c705c2a11d323cf31413d0ea4ecefd011dd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:26:46.716685Z","signature_b64":"SH65zF6qWvdk4RuETT1lDxk3pGuJkmg2+PM9hrkKPwWA4ETWmQDHOAwvuQH2eoRX95vr555RsRus2j5vD0kZBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6fe883dc232868f8de082bc059619c705c2a11d323cf31413d0ea4ecefd011dd","last_reissued_at":"2026-05-18T02:26:46.716299Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:26:46.716299Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1412.3209","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":"2026-05-18T02:26:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1u1eHGd511qVe2aCO65hdbjExbD8ZZL6RBItyk6GJNx691uP+hvXJES3AwkRR0fwOdaIXxRqrTGWQsI2WRbcDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T18:09:04.526660Z"},"content_sha256":"27aca124c5675df7f81973e48c1e4a44f65c0dbe879ad2b64f2831acc12994e6","schema_version":"1.0","event_id":"sha256:27aca124c5675df7f81973e48c1e4a44f65c0dbe879ad2b64f2831acc12994e6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:N7UIHXBDFBUPRXQIFPAFSYM4OB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Structure and Stellar Content of the Outer Disks of Galaxies: A New View from the Pan-STARRS1 Medium Deep Survey","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"C. Waters, D. Thilker, E. Magnier, G. Meurer, J. Tonry, K. Chambers, M. Huber, N. Kaiser, N. Metcalfe, P. Price, R. Wainscoat, T. Heckman, W. Burgett, Z. Zheng","submitted_at":"2014-12-10T06:23:22Z","abstract_excerpt":"We present the results of an analysis of Pan-STARRS1 Medium Deep Survey multi-band (g,r,i,z,y) images of a sample of 698 low-redshift disk galaxies that span broad ranges in stellar mass, star-formation rate, and bulge/disk ratio. We use population synthesis SED fitting techniques to explore the radial distribution of the light, color, surface mass density, mass/light ratio, and age of the stellar populations. We characterize the structure and stellar content of the galaxy disks out to radii of about twice Petrosian r90, beyond which the halo light becomes significant. We measure normalized ra"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.3209","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":"2026-05-18T02:26:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JUddrVQY66IYpAWkehH1tZQILQVr1fn8cp4chEzTOIt60DU7kYvk7KanPv4iGehZ/Q4rT8jDG7x5A7rl0qB/Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T18:09:04.527407Z"},"content_sha256":"2aa23278b23e2912c525a59308f6ed1e3a029bc62da6abfe3e35928af6d6730a","schema_version":"1.0","event_id":"sha256:2aa23278b23e2912c525a59308f6ed1e3a029bc62da6abfe3e35928af6d6730a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/N7UIHXBDFBUPRXQIFPAFSYM4OB/bundle.json","state_url":"https://pith.science/pith/N7UIHXBDFBUPRXQIFPAFSYM4OB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/N7UIHXBDFBUPRXQIFPAFSYM4OB/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":"2026-05-31T18:09:04Z","links":{"resolver":"https://pith.science/pith/N7UIHXBDFBUPRXQIFPAFSYM4OB","bundle":"https://pith.science/pith/N7UIHXBDFBUPRXQIFPAFSYM4OB/bundle.json","state":"https://pith.science/pith/N7UIHXBDFBUPRXQIFPAFSYM4OB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/N7UIHXBDFBUPRXQIFPAFSYM4OB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:N7UIHXBDFBUPRXQIFPAFSYM4OB","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":"960379194b5c72c8f900dd549d820db4663abed0a2dec246b9918480b346ef30","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-12-10T06:23:22Z","title_canon_sha256":"10c9833fbdbc53e9b95663685131bb88d42e4eb91069ef54b44394c3b0fe4170"},"schema_version":"1.0","source":{"id":"1412.3209","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1412.3209","created_at":"2026-05-18T02:26:46Z"},{"alias_kind":"arxiv_version","alias_value":"1412.3209v1","created_at":"2026-05-18T02:26:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.3209","created_at":"2026-05-18T02:26:46Z"},{"alias_kind":"pith_short_12","alias_value":"N7UIHXBDFBUP","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_16","alias_value":"N7UIHXBDFBUPRXQI","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_8","alias_value":"N7UIHXBD","created_at":"2026-05-18T12:28:41Z"}],"graph_snapshots":[{"event_id":"sha256:2aa23278b23e2912c525a59308f6ed1e3a029bc62da6abfe3e35928af6d6730a","target":"graph","created_at":"2026-05-18T02:26:46Z","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 present the results of an analysis of Pan-STARRS1 Medium Deep Survey multi-band (g,r,i,z,y) images of a sample of 698 low-redshift disk galaxies that span broad ranges in stellar mass, star-formation rate, and bulge/disk ratio. We use population synthesis SED fitting techniques to explore the radial distribution of the light, color, surface mass density, mass/light ratio, and age of the stellar populations. We characterize the structure and stellar content of the galaxy disks out to radii of about twice Petrosian r90, beyond which the halo light becomes significant. We measure normalized ra","authors_text":"C. Waters, D. Thilker, E. Magnier, G. Meurer, J. Tonry, K. Chambers, M. Huber, N. Kaiser, N. Metcalfe, P. Price, R. Wainscoat, T. Heckman, W. Burgett, Z. Zheng","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-12-10T06:23:22Z","title":"The Structure and Stellar Content of the Outer Disks of Galaxies: A New View from the Pan-STARRS1 Medium Deep Survey"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.3209","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":"sha256:27aca124c5675df7f81973e48c1e4a44f65c0dbe879ad2b64f2831acc12994e6","target":"record","created_at":"2026-05-18T02:26:46Z","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":"960379194b5c72c8f900dd549d820db4663abed0a2dec246b9918480b346ef30","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-12-10T06:23:22Z","title_canon_sha256":"10c9833fbdbc53e9b95663685131bb88d42e4eb91069ef54b44394c3b0fe4170"},"schema_version":"1.0","source":{"id":"1412.3209","kind":"arxiv","version":1}},"canonical_sha256":"6fe883dc232868f8de082bc059619c705c2a11d323cf31413d0ea4ecefd011dd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6fe883dc232868f8de082bc059619c705c2a11d323cf31413d0ea4ecefd011dd","first_computed_at":"2026-05-18T02:26:46.716299Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:26:46.716299Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SH65zF6qWvdk4RuETT1lDxk3pGuJkmg2+PM9hrkKPwWA4ETWmQDHOAwvuQH2eoRX95vr555RsRus2j5vD0kZBw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:26:46.716685Z","signed_message":"canonical_sha256_bytes"},"source_id":"1412.3209","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:27aca124c5675df7f81973e48c1e4a44f65c0dbe879ad2b64f2831acc12994e6","sha256:2aa23278b23e2912c525a59308f6ed1e3a029bc62da6abfe3e35928af6d6730a"],"state_sha256":"3d204d35fb841e7eb55bd758b260f922eff30a1bf6657cdcfc92a111334caed1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3TxOLXKsKjwX+YjfPc42hR2LqS+Dg1/fy2yME7EH7mPld5JgerStZ4qsgwWzG4cLiIp7TRii8WYv3Ne/gzI/Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T18:09:04.531688Z","bundle_sha256":"d8249425ecd4c85d925f48a229038c1ca0ea27f6334823555d26c6283162c4c7"}}