{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:SCPTTT3RWMEBPKTTIJTC6TZ7S6","short_pith_number":"pith:SCPTTT3R","canonical_record":{"source":{"id":"1204.6298","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-04-27T19:10:12Z","cross_cats_sorted":[],"title_canon_sha256":"a5849d3ebfb51656c7ce4ca41cac9ac32fdbf17274fce554977c913822564915","abstract_canon_sha256":"83ffc128c9c705ee4f4467506ad3ae9913bd14f79e7205370e1f6f43cfc1199f"},"schema_version":"1.0"},"canonical_sha256":"909f39cf71b30817aa7342662f4f3f97923c7b41cec554381eeab579e7c73d9c","source":{"kind":"arxiv","id":"1204.6298","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.6298","created_at":"2026-05-18T01:57:43Z"},{"alias_kind":"arxiv_version","alias_value":"1204.6298v1","created_at":"2026-05-18T01:57:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.6298","created_at":"2026-05-18T01:57:43Z"},{"alias_kind":"pith_short_12","alias_value":"SCPTTT3RWMEB","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_16","alias_value":"SCPTTT3RWMEBPKTT","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_8","alias_value":"SCPTTT3R","created_at":"2026-05-18T12:27:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:SCPTTT3RWMEBPKTTIJTC6TZ7S6","target":"record","payload":{"canonical_record":{"source":{"id":"1204.6298","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-04-27T19:10:12Z","cross_cats_sorted":[],"title_canon_sha256":"a5849d3ebfb51656c7ce4ca41cac9ac32fdbf17274fce554977c913822564915","abstract_canon_sha256":"83ffc128c9c705ee4f4467506ad3ae9913bd14f79e7205370e1f6f43cfc1199f"},"schema_version":"1.0"},"canonical_sha256":"909f39cf71b30817aa7342662f4f3f97923c7b41cec554381eeab579e7c73d9c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:57:43.094195Z","signature_b64":"P1OEqqKHsOPxWrL4QFUp07z8/to44Zgcau6pX7VAh04/oW5TqKWaCQUWMXfHrX4syxYvNtdoXZfN8uPLFePuAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"909f39cf71b30817aa7342662f4f3f97923c7b41cec554381eeab579e7c73d9c","last_reissued_at":"2026-05-18T01:57:43.093458Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:57:43.093458Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1204.6298","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":"2026-05-18T01:57:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"s52HmaRbV3hoEDji2GtCq0xaB0q+SQJpudGj1EuzEU5krwxYHw6Pe4dlAIpkpAymJfZBO9e4J0ujKUTxVQmHAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T06:37:37.869889Z"},"content_sha256":"774ba672d2a6d2722e9fafe602a04416f55a55046be4a882b5d8dadae5159408","schema_version":"1.0","event_id":"sha256:774ba672d2a6d2722e9fafe602a04416f55a55046be4a882b5d8dadae5159408"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:SCPTTT3RWMEBPKTTIJTC6TZ7S6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Multiwavelength Study of Evolved Massive Stars in the Galactic Center","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"H. Dong (NOAO, M. R. Morris (UCLA), Q. D. Wang (UMass), UMass)","submitted_at":"2012-04-27T19:10:12Z","abstract_excerpt":"The central region of the Milky Way provides a unique laboratory for a systematic, spatially-resolved population study of evolved massive stars of various types in a relatively high metallicity environment. We have conducted a multi-wavelength data analysis of 180 such stars or candidates, most of which were drawn from a recent large-scale HST/NICMOS narrow-band Pa-a survey, plus additional 14 Wolf-Rayet stars identified in earlier ground-based spectroscopic observations of the same field. The multi-wavelength data include broad-band IR photometry measurements from HST/NICMOS, SIRIUS, 2MASS, S"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.6298","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":"2026-05-18T01:57:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OeRhjN2+EAKUPLTzLAJLfUiBwUlaFjVlywi4M5k/PmonZMDBjyo+CO/nwba8KBrF4Q2RzXgbUhkhBMpDE2ojAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T06:37:37.870647Z"},"content_sha256":"256ac4705464b4fd1a0b850424f83319293f64c45ba341c1144f6208e07b9977","schema_version":"1.0","event_id":"sha256:256ac4705464b4fd1a0b850424f83319293f64c45ba341c1144f6208e07b9977"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SCPTTT3RWMEBPKTTIJTC6TZ7S6/bundle.json","state_url":"https://pith.science/pith/SCPTTT3RWMEBPKTTIJTC6TZ7S6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SCPTTT3RWMEBPKTTIJTC6TZ7S6/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":"2026-05-25T06:37:37Z","links":{"resolver":"https://pith.science/pith/SCPTTT3RWMEBPKTTIJTC6TZ7S6","bundle":"https://pith.science/pith/SCPTTT3RWMEBPKTTIJTC6TZ7S6/bundle.json","state":"https://pith.science/pith/SCPTTT3RWMEBPKTTIJTC6TZ7S6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SCPTTT3RWMEBPKTTIJTC6TZ7S6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:SCPTTT3RWMEBPKTTIJTC6TZ7S6","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":"83ffc128c9c705ee4f4467506ad3ae9913bd14f79e7205370e1f6f43cfc1199f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-04-27T19:10:12Z","title_canon_sha256":"a5849d3ebfb51656c7ce4ca41cac9ac32fdbf17274fce554977c913822564915"},"schema_version":"1.0","source":{"id":"1204.6298","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.6298","created_at":"2026-05-18T01:57:43Z"},{"alias_kind":"arxiv_version","alias_value":"1204.6298v1","created_at":"2026-05-18T01:57:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.6298","created_at":"2026-05-18T01:57:43Z"},{"alias_kind":"pith_short_12","alias_value":"SCPTTT3RWMEB","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_16","alias_value":"SCPTTT3RWMEBPKTT","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_8","alias_value":"SCPTTT3R","created_at":"2026-05-18T12:27:20Z"}],"graph_snapshots":[{"event_id":"sha256:256ac4705464b4fd1a0b850424f83319293f64c45ba341c1144f6208e07b9977","target":"graph","created_at":"2026-05-18T01:57:43Z","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":"The central region of the Milky Way provides a unique laboratory for a systematic, spatially-resolved population study of evolved massive stars of various types in a relatively high metallicity environment. We have conducted a multi-wavelength data analysis of 180 such stars or candidates, most of which were drawn from a recent large-scale HST/NICMOS narrow-band Pa-a survey, plus additional 14 Wolf-Rayet stars identified in earlier ground-based spectroscopic observations of the same field. The multi-wavelength data include broad-band IR photometry measurements from HST/NICMOS, SIRIUS, 2MASS, S","authors_text":"H. Dong (NOAO, M. R. Morris (UCLA), Q. D. Wang (UMass), UMass)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-04-27T19:10:12Z","title":"A Multiwavelength Study of Evolved Massive Stars in the Galactic Center"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.6298","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":"sha256:774ba672d2a6d2722e9fafe602a04416f55a55046be4a882b5d8dadae5159408","target":"record","created_at":"2026-05-18T01:57:43Z","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":"83ffc128c9c705ee4f4467506ad3ae9913bd14f79e7205370e1f6f43cfc1199f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-04-27T19:10:12Z","title_canon_sha256":"a5849d3ebfb51656c7ce4ca41cac9ac32fdbf17274fce554977c913822564915"},"schema_version":"1.0","source":{"id":"1204.6298","kind":"arxiv","version":1}},"canonical_sha256":"909f39cf71b30817aa7342662f4f3f97923c7b41cec554381eeab579e7c73d9c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"909f39cf71b30817aa7342662f4f3f97923c7b41cec554381eeab579e7c73d9c","first_computed_at":"2026-05-18T01:57:43.093458Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:57:43.093458Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"P1OEqqKHsOPxWrL4QFUp07z8/to44Zgcau6pX7VAh04/oW5TqKWaCQUWMXfHrX4syxYvNtdoXZfN8uPLFePuAg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:57:43.094195Z","signed_message":"canonical_sha256_bytes"},"source_id":"1204.6298","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:774ba672d2a6d2722e9fafe602a04416f55a55046be4a882b5d8dadae5159408","sha256:256ac4705464b4fd1a0b850424f83319293f64c45ba341c1144f6208e07b9977"],"state_sha256":"3b8600188d7c16cd057556ae8ce5f764caa0582ab44b09c341d39c0b1807e80a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"liUKmaUYGCYS+ltZbft2M207IEoBOHHdEdjdeLP89BKpgPLNsAmTeSr5dcqowJ5b++bPB+ydN9Sbrf4szOrNCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T06:37:37.874572Z","bundle_sha256":"1faafb8475fa6423cd56ca49d5860fa5ae7c659a399d926860f0db4dac9cc4fd"}}