{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:EQUHDVUZLXRMXQJULXYV6SH6TO","short_pith_number":"pith:EQUHDVUZ","canonical_record":{"source":{"id":"1006.1189","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-06-07T07:22:25Z","cross_cats_sorted":[],"title_canon_sha256":"ab49ee6e06a302403a402fce8c071fee0d1e47f2ec12abe6ce173aafbb49d700","abstract_canon_sha256":"366c8562a4a12126188d4473c8d6ec2bb8dcb57c6eedea603ff87629ddd38ba4"},"schema_version":"1.0"},"canonical_sha256":"242871d6995de2cbc1345df15f48fe9ba37a159cbdf986fde288d7d42ff5b9c7","source":{"kind":"arxiv","id":"1006.1189","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1006.1189","created_at":"2026-05-18T02:06:56Z"},{"alias_kind":"arxiv_version","alias_value":"1006.1189v1","created_at":"2026-05-18T02:06:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1006.1189","created_at":"2026-05-18T02:06:56Z"},{"alias_kind":"pith_short_12","alias_value":"EQUHDVUZLXRM","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_16","alias_value":"EQUHDVUZLXRMXQJU","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_8","alias_value":"EQUHDVUZ","created_at":"2026-05-18T12:26:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:EQUHDVUZLXRMXQJULXYV6SH6TO","target":"record","payload":{"canonical_record":{"source":{"id":"1006.1189","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-06-07T07:22:25Z","cross_cats_sorted":[],"title_canon_sha256":"ab49ee6e06a302403a402fce8c071fee0d1e47f2ec12abe6ce173aafbb49d700","abstract_canon_sha256":"366c8562a4a12126188d4473c8d6ec2bb8dcb57c6eedea603ff87629ddd38ba4"},"schema_version":"1.0"},"canonical_sha256":"242871d6995de2cbc1345df15f48fe9ba37a159cbdf986fde288d7d42ff5b9c7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:06:56.887157Z","signature_b64":"OFW/y+5JJRdhaR1a7lQ2c1Lm+8pfAOi7gP/atzcK2/CadsVi6m9ZEqp8CJemOwU2ClZM57rEGlbhnDul4DtLAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"242871d6995de2cbc1345df15f48fe9ba37a159cbdf986fde288d7d42ff5b9c7","last_reissued_at":"2026-05-18T02:06:56.886330Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:06:56.886330Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1006.1189","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":"2026-05-18T02:06:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TuDjbHQw04GW/x47tvHTdnLNXAmeA3kVaDFTppBMPIWSULuzaJ+PiqUequBeJayXM6J1q84dqBkfS/h0wKu7Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T10:43:30.509895Z"},"content_sha256":"c4b6e1fddc2ee77bacc556e7cb4168a4d18a22de90d709fac2507d76a83ee0c5","schema_version":"1.0","event_id":"sha256:c4b6e1fddc2ee77bacc556e7cb4168a4d18a22de90d709fac2507d76a83ee0c5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:EQUHDVUZLXRMXQJULXYV6SH6TO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Diffuse and Compact X-ray Components of the Starburst Galaxy Henize~2-10","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Crystal L. Martin (UCSB), Henry A. Kobulnicky (University of Wyoming)","submitted_at":"2010-06-07T07:22:25Z","abstract_excerpt":"Chandra X-ray imaging spectroscopy of the starburst galaxy Henize 2-10 reveals a strong nuclear point source and at least two fainter compact sources embedded within a more luminous diffuse thermal component. Spectral fits to the nuclear X-ray source imply an unabsorbed X-ray luminosity L_x >10^40 erg/s for reasonable power law or blackbody models, consistent with accretion onto a >50 solar mass black hole behind a foreground absorbing column of N_H>10^23 /cm^2. Two of these point sources have L_x=2-5 x 10^38 erg/s, comparable to luminous X-ray binaries. These compact sources constitute a smal"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1006.1189","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":"2026-05-18T02:06:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rR3nXrhDM5/dbJzqP5H8s/yH4y+l6E9zArk3pNunncvLstypAYNDaHU8KJ8oqzat/WUupPJ+gQndFdZqougIBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T10:43:30.510241Z"},"content_sha256":"31ec85f279a8cdea56112289776eeb08daf3451d6ed8e043dc9de185b79dfcea","schema_version":"1.0","event_id":"sha256:31ec85f279a8cdea56112289776eeb08daf3451d6ed8e043dc9de185b79dfcea"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EQUHDVUZLXRMXQJULXYV6SH6TO/bundle.json","state_url":"https://pith.science/pith/EQUHDVUZLXRMXQJULXYV6SH6TO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EQUHDVUZLXRMXQJULXYV6SH6TO/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":"2026-06-05T10:43:30Z","links":{"resolver":"https://pith.science/pith/EQUHDVUZLXRMXQJULXYV6SH6TO","bundle":"https://pith.science/pith/EQUHDVUZLXRMXQJULXYV6SH6TO/bundle.json","state":"https://pith.science/pith/EQUHDVUZLXRMXQJULXYV6SH6TO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EQUHDVUZLXRMXQJULXYV6SH6TO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:EQUHDVUZLXRMXQJULXYV6SH6TO","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":"366c8562a4a12126188d4473c8d6ec2bb8dcb57c6eedea603ff87629ddd38ba4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-06-07T07:22:25Z","title_canon_sha256":"ab49ee6e06a302403a402fce8c071fee0d1e47f2ec12abe6ce173aafbb49d700"},"schema_version":"1.0","source":{"id":"1006.1189","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1006.1189","created_at":"2026-05-18T02:06:56Z"},{"alias_kind":"arxiv_version","alias_value":"1006.1189v1","created_at":"2026-05-18T02:06:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1006.1189","created_at":"2026-05-18T02:06:56Z"},{"alias_kind":"pith_short_12","alias_value":"EQUHDVUZLXRM","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_16","alias_value":"EQUHDVUZLXRMXQJU","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_8","alias_value":"EQUHDVUZ","created_at":"2026-05-18T12:26:06Z"}],"graph_snapshots":[{"event_id":"sha256:31ec85f279a8cdea56112289776eeb08daf3451d6ed8e043dc9de185b79dfcea","target":"graph","created_at":"2026-05-18T02:06:56Z","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":"Chandra X-ray imaging spectroscopy of the starburst galaxy Henize 2-10 reveals a strong nuclear point source and at least two fainter compact sources embedded within a more luminous diffuse thermal component. Spectral fits to the nuclear X-ray source imply an unabsorbed X-ray luminosity L_x >10^40 erg/s for reasonable power law or blackbody models, consistent with accretion onto a >50 solar mass black hole behind a foreground absorbing column of N_H>10^23 /cm^2. Two of these point sources have L_x=2-5 x 10^38 erg/s, comparable to luminous X-ray binaries. These compact sources constitute a smal","authors_text":"Crystal L. Martin (UCSB), Henry A. Kobulnicky (University of Wyoming)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-06-07T07:22:25Z","title":"The Diffuse and Compact X-ray Components of the Starburst Galaxy Henize~2-10"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1006.1189","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:c4b6e1fddc2ee77bacc556e7cb4168a4d18a22de90d709fac2507d76a83ee0c5","target":"record","created_at":"2026-05-18T02:06:56Z","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":"366c8562a4a12126188d4473c8d6ec2bb8dcb57c6eedea603ff87629ddd38ba4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-06-07T07:22:25Z","title_canon_sha256":"ab49ee6e06a302403a402fce8c071fee0d1e47f2ec12abe6ce173aafbb49d700"},"schema_version":"1.0","source":{"id":"1006.1189","kind":"arxiv","version":1}},"canonical_sha256":"242871d6995de2cbc1345df15f48fe9ba37a159cbdf986fde288d7d42ff5b9c7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"242871d6995de2cbc1345df15f48fe9ba37a159cbdf986fde288d7d42ff5b9c7","first_computed_at":"2026-05-18T02:06:56.886330Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:06:56.886330Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OFW/y+5JJRdhaR1a7lQ2c1Lm+8pfAOi7gP/atzcK2/CadsVi6m9ZEqp8CJemOwU2ClZM57rEGlbhnDul4DtLAA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:06:56.887157Z","signed_message":"canonical_sha256_bytes"},"source_id":"1006.1189","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c4b6e1fddc2ee77bacc556e7cb4168a4d18a22de90d709fac2507d76a83ee0c5","sha256:31ec85f279a8cdea56112289776eeb08daf3451d6ed8e043dc9de185b79dfcea"],"state_sha256":"653552d6a02897c873e5a2af697181b025afcf21953561b08c9d14f76ea9c017"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5VsxZ4TE1kEIQyVi8x5KfP98bfk4a0R5xDmmerm3B4iFllbVUY7Jq29HFrpCoWb9Glxj53W8LJAz9/UWB7OwCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T10:43:30.512433Z","bundle_sha256":"89f2108495e5995b7f1c6f8353e218ae6e3fc322881576c3ea1adf68948067d3"}}