{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:CZDCTHVJU3DRMLSBPUWDVQQE6Y","short_pith_number":"pith:CZDCTHVJ","canonical_record":{"source":{"id":"1409.1267","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-09-03T21:33:49Z","cross_cats_sorted":["astro-ph.CO","astro-ph.HE"],"title_canon_sha256":"464bc49b891af6393289337d73b4e39364fdb59ce25ea4669e1f0a6fe334e58c","abstract_canon_sha256":"3c62b1930eabe770c0b682f583aaa9198d291b0803d2ead5b9da718fd7d64ebf"},"schema_version":"1.0"},"canonical_sha256":"1646299ea9a6c7162e417d2c3ac204f63423a9c58ccf0ea179ff1ff815cf84b2","source":{"kind":"arxiv","id":"1409.1267","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.1267","created_at":"2026-05-18T01:42:08Z"},{"alias_kind":"arxiv_version","alias_value":"1409.1267v1","created_at":"2026-05-18T01:42:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.1267","created_at":"2026-05-18T01:42:08Z"},{"alias_kind":"pith_short_12","alias_value":"CZDCTHVJU3DR","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_16","alias_value":"CZDCTHVJU3DRMLSB","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_8","alias_value":"CZDCTHVJ","created_at":"2026-05-18T12:28:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:CZDCTHVJU3DRMLSBPUWDVQQE6Y","target":"record","payload":{"canonical_record":{"source":{"id":"1409.1267","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-09-03T21:33:49Z","cross_cats_sorted":["astro-ph.CO","astro-ph.HE"],"title_canon_sha256":"464bc49b891af6393289337d73b4e39364fdb59ce25ea4669e1f0a6fe334e58c","abstract_canon_sha256":"3c62b1930eabe770c0b682f583aaa9198d291b0803d2ead5b9da718fd7d64ebf"},"schema_version":"1.0"},"canonical_sha256":"1646299ea9a6c7162e417d2c3ac204f63423a9c58ccf0ea179ff1ff815cf84b2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:42:08.295576Z","signature_b64":"myrc0V9twFgfUprHP4R1mYyCRZdfMpqWyA30UZwPKPm4y/A6SgUE6staINmv7Cyj6N0cn17cGfX+bwsBaVtKDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1646299ea9a6c7162e417d2c3ac204f63423a9c58ccf0ea179ff1ff815cf84b2","last_reissued_at":"2026-05-18T01:42:08.294792Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:42:08.294792Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1409.1267","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":"2026-05-18T01:42:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wbKZC8k9Ilz8OrNxgtmUsROwHUJj56wAEKhNK/kpxxq2k561SA3onE/ZenchEibJWVdqv08EjRzAOxKMLRn7Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T01:24:43.465567Z"},"content_sha256":"eb01e38f56d72cbc4974026a8614ce004a5ec0eea76ef8e7a4c098ac8b2fb05b","schema_version":"1.0","event_id":"sha256:eb01e38f56d72cbc4974026a8614ce004a5ec0eea76ef8e7a4c098ac8b2fb05b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:CZDCTHVJU3DRMLSBPUWDVQQE6Y","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Heating and Ionization of the Primordial Intergalactic Medium by High Mass X-ray Binaries","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","astro-ph.HE"],"primary_cat":"astro-ph.GA","authors_text":"Chris Power, Gillian Knevitt, Graham Wynn, James Bolton","submitted_at":"2014-09-03T21:33:49Z","abstract_excerpt":"We investigate the influence of High Mass X-ray Binaries on their high redshift environments. Using a one-dimensional radiative transfer code, we predict the ionization and temperature profiles surrounding a coeval stellar population, composed of main sequence stars and HMXBs, at various times after its formation. We consider both uniform density surroundings, and a cluster embedded in a 10^8 solar mass NFW halo. HMXBs in a constant density environment produce negligible enhanced ionization because of their high-energy SEDs and short lifetimes. In this case, HMXBs only marginally contribute to"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.1267","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":"2026-05-18T01:42:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"otPzHimKGDH7QSyobTfEWyAsX8HEqFuiS/dwLyGDw8YBc6u3CML6mnrlt1C6iUb4Ul7sM2bJDP8u7lMe3bipDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T01:24:43.465916Z"},"content_sha256":"e69224db5ce0d48de4365f8357c6b5e1a82975bd9eb4e3ee29d3a5d6d85b9178","schema_version":"1.0","event_id":"sha256:e69224db5ce0d48de4365f8357c6b5e1a82975bd9eb4e3ee29d3a5d6d85b9178"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CZDCTHVJU3DRMLSBPUWDVQQE6Y/bundle.json","state_url":"https://pith.science/pith/CZDCTHVJU3DRMLSBPUWDVQQE6Y/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CZDCTHVJU3DRMLSBPUWDVQQE6Y/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":"2026-06-10T01:24:43Z","links":{"resolver":"https://pith.science/pith/CZDCTHVJU3DRMLSBPUWDVQQE6Y","bundle":"https://pith.science/pith/CZDCTHVJU3DRMLSBPUWDVQQE6Y/bundle.json","state":"https://pith.science/pith/CZDCTHVJU3DRMLSBPUWDVQQE6Y/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CZDCTHVJU3DRMLSBPUWDVQQE6Y/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:CZDCTHVJU3DRMLSBPUWDVQQE6Y","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":"3c62b1930eabe770c0b682f583aaa9198d291b0803d2ead5b9da718fd7d64ebf","cross_cats_sorted":["astro-ph.CO","astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-09-03T21:33:49Z","title_canon_sha256":"464bc49b891af6393289337d73b4e39364fdb59ce25ea4669e1f0a6fe334e58c"},"schema_version":"1.0","source":{"id":"1409.1267","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.1267","created_at":"2026-05-18T01:42:08Z"},{"alias_kind":"arxiv_version","alias_value":"1409.1267v1","created_at":"2026-05-18T01:42:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.1267","created_at":"2026-05-18T01:42:08Z"},{"alias_kind":"pith_short_12","alias_value":"CZDCTHVJU3DR","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_16","alias_value":"CZDCTHVJU3DRMLSB","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_8","alias_value":"CZDCTHVJ","created_at":"2026-05-18T12:28:25Z"}],"graph_snapshots":[{"event_id":"sha256:e69224db5ce0d48de4365f8357c6b5e1a82975bd9eb4e3ee29d3a5d6d85b9178","target":"graph","created_at":"2026-05-18T01:42:08Z","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 investigate the influence of High Mass X-ray Binaries on their high redshift environments. Using a one-dimensional radiative transfer code, we predict the ionization and temperature profiles surrounding a coeval stellar population, composed of main sequence stars and HMXBs, at various times after its formation. We consider both uniform density surroundings, and a cluster embedded in a 10^8 solar mass NFW halo. HMXBs in a constant density environment produce negligible enhanced ionization because of their high-energy SEDs and short lifetimes. In this case, HMXBs only marginally contribute to","authors_text":"Chris Power, Gillian Knevitt, Graham Wynn, James Bolton","cross_cats":["astro-ph.CO","astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-09-03T21:33:49Z","title":"Heating and Ionization of the Primordial Intergalactic Medium by High Mass X-ray Binaries"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.1267","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:eb01e38f56d72cbc4974026a8614ce004a5ec0eea76ef8e7a4c098ac8b2fb05b","target":"record","created_at":"2026-05-18T01:42:08Z","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":"3c62b1930eabe770c0b682f583aaa9198d291b0803d2ead5b9da718fd7d64ebf","cross_cats_sorted":["astro-ph.CO","astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-09-03T21:33:49Z","title_canon_sha256":"464bc49b891af6393289337d73b4e39364fdb59ce25ea4669e1f0a6fe334e58c"},"schema_version":"1.0","source":{"id":"1409.1267","kind":"arxiv","version":1}},"canonical_sha256":"1646299ea9a6c7162e417d2c3ac204f63423a9c58ccf0ea179ff1ff815cf84b2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1646299ea9a6c7162e417d2c3ac204f63423a9c58ccf0ea179ff1ff815cf84b2","first_computed_at":"2026-05-18T01:42:08.294792Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:42:08.294792Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"myrc0V9twFgfUprHP4R1mYyCRZdfMpqWyA30UZwPKPm4y/A6SgUE6staINmv7Cyj6N0cn17cGfX+bwsBaVtKDA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:42:08.295576Z","signed_message":"canonical_sha256_bytes"},"source_id":"1409.1267","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:eb01e38f56d72cbc4974026a8614ce004a5ec0eea76ef8e7a4c098ac8b2fb05b","sha256:e69224db5ce0d48de4365f8357c6b5e1a82975bd9eb4e3ee29d3a5d6d85b9178"],"state_sha256":"f65319a3bf553b6b5232e1cbdc1f58f22acdb5a27814f8df9f808551010a3c1c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LmRXIDTeOe8wlZxuppr5VuF98JgHhHsILjE035PrFjf+sfi82h57nexALEDf0wqoydvBLPABf+T4X5Rh43vkDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-10T01:24:43.468439Z","bundle_sha256":"8f69d5db0fe4377eaff2e14646a674662fd0f5fdf8cd95604532c7db434bc867"}}