{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:XHV5ZLMTNSSJYKN6DALZPAMU47","short_pith_number":"pith:XHV5ZLMT","canonical_record":{"source":{"id":"0912.1055","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-12-05T21:53:26Z","cross_cats_sorted":[],"title_canon_sha256":"03a786044d2557c18d93855709b6d3f40ac64df8fc30ad188faaf3093af9e19f","abstract_canon_sha256":"a60be71f9f6e08b149f635271d4b173606ab43dbfd61364b157343cbe3ecfab5"},"schema_version":"1.0"},"canonical_sha256":"b9ebdcad936ca49c29be1817978194e7c42ba3065c992ed221703521516efe3b","source":{"kind":"arxiv","id":"0912.1055","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0912.1055","created_at":"2026-05-18T02:33:57Z"},{"alias_kind":"arxiv_version","alias_value":"0912.1055v2","created_at":"2026-05-18T02:33:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0912.1055","created_at":"2026-05-18T02:33:57Z"},{"alias_kind":"pith_short_12","alias_value":"XHV5ZLMTNSSJ","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_16","alias_value":"XHV5ZLMTNSSJYKN6","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_8","alias_value":"XHV5ZLMT","created_at":"2026-05-18T12:26:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:XHV5ZLMTNSSJYKN6DALZPAMU47","target":"record","payload":{"canonical_record":{"source":{"id":"0912.1055","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-12-05T21:53:26Z","cross_cats_sorted":[],"title_canon_sha256":"03a786044d2557c18d93855709b6d3f40ac64df8fc30ad188faaf3093af9e19f","abstract_canon_sha256":"a60be71f9f6e08b149f635271d4b173606ab43dbfd61364b157343cbe3ecfab5"},"schema_version":"1.0"},"canonical_sha256":"b9ebdcad936ca49c29be1817978194e7c42ba3065c992ed221703521516efe3b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:33:57.459089Z","signature_b64":"1thAh5PXqFZ0HXhPUDg4GCyaFS1sUpf9HpJ0X214Qz1SmEqKRMOLcmdzxNHK9EI7z2rVaap/0s/GcdL7lzORDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b9ebdcad936ca49c29be1817978194e7c42ba3065c992ed221703521516efe3b","last_reissued_at":"2026-05-18T02:33:57.458656Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:33:57.458656Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0912.1055","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:33:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZtcfHAaLHICKtM/PoV4aXN7jkogM1niPGT2eHPGpxTvlGRBQUUFq3VvSPru4gpfkcQW7944/mVkt9KsGDv4RAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T03:00:15.569934Z"},"content_sha256":"3c2280c678f75d7546b46ebcaecd1aaad2f3ac0ee624e8491851ed1148be9996","schema_version":"1.0","event_id":"sha256:3c2280c678f75d7546b46ebcaecd1aaad2f3ac0ee624e8491851ed1148be9996"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:XHV5ZLMTNSSJYKN6DALZPAMU47","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Near-infrared counterparts to Chandra X-ray sources toward the Galactic Center. II. Discovery of Wolf-Rayet stars and O supergiants","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Angela S. Cotera, Jon C. Mauerhan, Mark R. Morris, Michael P. Muno, Susan R. Stolovy","submitted_at":"2009-12-05T21:53:26Z","abstract_excerpt":"We present new identifications of infrared counterparts to the population of hard X-ray sources near the Galactic center detected by the Chandra X-ray Observatory. We have confirmed 16 new massive stellar counterparts to the X-ray population, including nitrogen-type (WN) and carbon-type (WC) Wolf-Rayet stars, and O supergiants. For the majority of these sources, the X-ray photometry is consistent with thermal emission from plasma having temperatures in the range of kT=1-8 keV or non-thermal emission having power-law indices in the range of -1<gamma<3, and X-ray luminosities in the range of Lx~"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0912.1055","kind":"arxiv","version":2},"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":"2026-05-18T02:33:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"13RpydlQT2LXcppowsk4k4XdrXjpewqA4efR17Dk/hfzkOYNRwFokPXNsduDMXFuw7JhRhzyVYXuYdCYZ8yDAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T03:00:15.570581Z"},"content_sha256":"727003da06408b9d1353ad064c3c0df3b063a84646b3998e3449b328fde51b13","schema_version":"1.0","event_id":"sha256:727003da06408b9d1353ad064c3c0df3b063a84646b3998e3449b328fde51b13"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XHV5ZLMTNSSJYKN6DALZPAMU47/bundle.json","state_url":"https://pith.science/pith/XHV5ZLMTNSSJYKN6DALZPAMU47/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XHV5ZLMTNSSJYKN6DALZPAMU47/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":"2026-05-28T03:00:15Z","links":{"resolver":"https://pith.science/pith/XHV5ZLMTNSSJYKN6DALZPAMU47","bundle":"https://pith.science/pith/XHV5ZLMTNSSJYKN6DALZPAMU47/bundle.json","state":"https://pith.science/pith/XHV5ZLMTNSSJYKN6DALZPAMU47/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XHV5ZLMTNSSJYKN6DALZPAMU47/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:XHV5ZLMTNSSJYKN6DALZPAMU47","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":"a60be71f9f6e08b149f635271d4b173606ab43dbfd61364b157343cbe3ecfab5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-12-05T21:53:26Z","title_canon_sha256":"03a786044d2557c18d93855709b6d3f40ac64df8fc30ad188faaf3093af9e19f"},"schema_version":"1.0","source":{"id":"0912.1055","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0912.1055","created_at":"2026-05-18T02:33:57Z"},{"alias_kind":"arxiv_version","alias_value":"0912.1055v2","created_at":"2026-05-18T02:33:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0912.1055","created_at":"2026-05-18T02:33:57Z"},{"alias_kind":"pith_short_12","alias_value":"XHV5ZLMTNSSJ","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_16","alias_value":"XHV5ZLMTNSSJYKN6","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_8","alias_value":"XHV5ZLMT","created_at":"2026-05-18T12:26:02Z"}],"graph_snapshots":[{"event_id":"sha256:727003da06408b9d1353ad064c3c0df3b063a84646b3998e3449b328fde51b13","target":"graph","created_at":"2026-05-18T02:33:57Z","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 new identifications of infrared counterparts to the population of hard X-ray sources near the Galactic center detected by the Chandra X-ray Observatory. We have confirmed 16 new massive stellar counterparts to the X-ray population, including nitrogen-type (WN) and carbon-type (WC) Wolf-Rayet stars, and O supergiants. For the majority of these sources, the X-ray photometry is consistent with thermal emission from plasma having temperatures in the range of kT=1-8 keV or non-thermal emission having power-law indices in the range of -1<gamma<3, and X-ray luminosities in the range of Lx~","authors_text":"Angela S. Cotera, Jon C. Mauerhan, Mark R. Morris, Michael P. Muno, Susan R. Stolovy","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-12-05T21:53:26Z","title":"Near-infrared counterparts to Chandra X-ray sources toward the Galactic Center. II. Discovery of Wolf-Rayet stars and O supergiants"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0912.1055","kind":"arxiv","version":2},"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":"sha256:3c2280c678f75d7546b46ebcaecd1aaad2f3ac0ee624e8491851ed1148be9996","target":"record","created_at":"2026-05-18T02:33:57Z","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":"a60be71f9f6e08b149f635271d4b173606ab43dbfd61364b157343cbe3ecfab5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-12-05T21:53:26Z","title_canon_sha256":"03a786044d2557c18d93855709b6d3f40ac64df8fc30ad188faaf3093af9e19f"},"schema_version":"1.0","source":{"id":"0912.1055","kind":"arxiv","version":2}},"canonical_sha256":"b9ebdcad936ca49c29be1817978194e7c42ba3065c992ed221703521516efe3b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b9ebdcad936ca49c29be1817978194e7c42ba3065c992ed221703521516efe3b","first_computed_at":"2026-05-18T02:33:57.458656Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:33:57.458656Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1thAh5PXqFZ0HXhPUDg4GCyaFS1sUpf9HpJ0X214Qz1SmEqKRMOLcmdzxNHK9EI7z2rVaap/0s/GcdL7lzORDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:33:57.459089Z","signed_message":"canonical_sha256_bytes"},"source_id":"0912.1055","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3c2280c678f75d7546b46ebcaecd1aaad2f3ac0ee624e8491851ed1148be9996","sha256:727003da06408b9d1353ad064c3c0df3b063a84646b3998e3449b328fde51b13"],"state_sha256":"6526d59f9ba716173baf5eda8686dac81404142cfc979fd99fdfa5559c95863c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XDXHoXzVOFTMbDfeQMNqF1mR6yxvXc3c6Lgro9BDPXmNQv8ARFCnarzVK8OfkBaLfyX+1TRk7Y3iqb3rX73OAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T03:00:15.573749Z","bundle_sha256":"e346a27fc5a91e4feb8392d1fb9753402b1aeac47e53079907a20017e42ddc7d"}}