{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2006:USAR2C5JSRGMULNVIQ56MG7HB6","short_pith_number":"pith:USAR2C5J","canonical_record":{"source":{"id":"astro-ph/0612689","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-12-22T14:57:43Z","cross_cats_sorted":[],"title_canon_sha256":"eef12efd50cec485b409c08b3ab42bb2bd3ac69324aeb044b03cd34824b5a405","abstract_canon_sha256":"07a766be582ff6a59ee4a5bc87bf7f2d8de69cb9c1e471d836ffb0ff3ba1a7b2"},"schema_version":"1.0"},"canonical_sha256":"a4811d0ba9944cca2db5443be61be70faf78a27d8a85faa8a166f951370ae764","source":{"kind":"arxiv","id":"astro-ph/0612689","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0612689","created_at":"2026-05-18T04:26:44Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0612689v1","created_at":"2026-05-18T04:26:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0612689","created_at":"2026-05-18T04:26:44Z"},{"alias_kind":"pith_short_12","alias_value":"USAR2C5JSRGM","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_16","alias_value":"USAR2C5JSRGMULNV","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_8","alias_value":"USAR2C5J","created_at":"2026-05-18T12:25:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2006:USAR2C5JSRGMULNVIQ56MG7HB6","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0612689","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-12-22T14:57:43Z","cross_cats_sorted":[],"title_canon_sha256":"eef12efd50cec485b409c08b3ab42bb2bd3ac69324aeb044b03cd34824b5a405","abstract_canon_sha256":"07a766be582ff6a59ee4a5bc87bf7f2d8de69cb9c1e471d836ffb0ff3ba1a7b2"},"schema_version":"1.0"},"canonical_sha256":"a4811d0ba9944cca2db5443be61be70faf78a27d8a85faa8a166f951370ae764","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:26:44.428817Z","signature_b64":"Vns5BvtGomIWdyFOm73Ot79wR1QzybhKdLT+mpDrKZyCFK4VTsZ6dizpaY71X7ZT9MZGovTrgm+V48ECdOhqAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a4811d0ba9944cca2db5443be61be70faf78a27d8a85faa8a166f951370ae764","last_reissued_at":"2026-05-18T04:26:44.428214Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:26:44.428214Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0612689","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":"2026-05-18T04:26:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/LxbIE89v+uqlTUg677eubXhH4G1weznhOySx+Gf5jaJiWWdBWMkD8EMhlA0sJubRiO8/W/duroBpBIo/YT9Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T16:52:06.104061Z"},"content_sha256":"893140208e3de798e8c30d7e4f82e5defc888c5d2e543fe02e04193bdbdbed10","schema_version":"1.0","event_id":"sha256:893140208e3de798e8c30d7e4f82e5defc888c5d2e543fe02e04193bdbdbed10"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2006:USAR2C5JSRGMULNVIQ56MG7HB6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Influence of External UV Radiation Field on Primordial Gas Clouds: Formulation of the Problem","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"1) ((1) Institute of Physics, H.Niewodniczanski Institute of Nuclear Physics, Jagiellonian University, Jaroslaw Stasielak (1), Marek Kutschera (2, Poland), Poland (2) Astrophysics Division, Slawomir Stachniewicz (2)","submitted_at":"2006-12-22T14:57:43Z","abstract_excerpt":"Our goal is to study the effects of the UV radiation from the first stars, quasars and decays of the hypothetical Super Heavy Dark Matter (SHDM) particles on the formation of primordial bound objects in the Universe. We trace the evolution of a spherically symmetric density perturbation in the Lambda Cold Dark Matter ($\\Lambda$CDM) and MOND models, solving the frequency-dependent radiative transfer equation, non-equilibrium chemistry, and one-dimensional gas hydrodynamics. We concentrate on the destruction and formation processes of the H$_2$ molecule, which is the main coolant in the primordi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0612689","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":"2026-05-18T04:26:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bA+BSz825Tmir3cYvEB4NRP0TXZ0HYeClW7G5aibZnunPw+rGE/djW3c3MFPN1nGs++cHVZxqwUQXOhhTGqyBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T16:52:06.104504Z"},"content_sha256":"b2a39363af30b4036b3fb8793fb10018f25d72fbc65341b644bb1a592c4e4938","schema_version":"1.0","event_id":"sha256:b2a39363af30b4036b3fb8793fb10018f25d72fbc65341b644bb1a592c4e4938"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/USAR2C5JSRGMULNVIQ56MG7HB6/bundle.json","state_url":"https://pith.science/pith/USAR2C5JSRGMULNVIQ56MG7HB6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/USAR2C5JSRGMULNVIQ56MG7HB6/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":"2026-06-09T16:52:06Z","links":{"resolver":"https://pith.science/pith/USAR2C5JSRGMULNVIQ56MG7HB6","bundle":"https://pith.science/pith/USAR2C5JSRGMULNVIQ56MG7HB6/bundle.json","state":"https://pith.science/pith/USAR2C5JSRGMULNVIQ56MG7HB6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/USAR2C5JSRGMULNVIQ56MG7HB6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:USAR2C5JSRGMULNVIQ56MG7HB6","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":"07a766be582ff6a59ee4a5bc87bf7f2d8de69cb9c1e471d836ffb0ff3ba1a7b2","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2006-12-22T14:57:43Z","title_canon_sha256":"eef12efd50cec485b409c08b3ab42bb2bd3ac69324aeb044b03cd34824b5a405"},"schema_version":"1.0","source":{"id":"astro-ph/0612689","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0612689","created_at":"2026-05-18T04:26:44Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0612689v1","created_at":"2026-05-18T04:26:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0612689","created_at":"2026-05-18T04:26:44Z"},{"alias_kind":"pith_short_12","alias_value":"USAR2C5JSRGM","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_16","alias_value":"USAR2C5JSRGMULNV","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_8","alias_value":"USAR2C5J","created_at":"2026-05-18T12:25:54Z"}],"graph_snapshots":[{"event_id":"sha256:b2a39363af30b4036b3fb8793fb10018f25d72fbc65341b644bb1a592c4e4938","target":"graph","created_at":"2026-05-18T04:26:44Z","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":"Our goal is to study the effects of the UV radiation from the first stars, quasars and decays of the hypothetical Super Heavy Dark Matter (SHDM) particles on the formation of primordial bound objects in the Universe. We trace the evolution of a spherically symmetric density perturbation in the Lambda Cold Dark Matter ($\\Lambda$CDM) and MOND models, solving the frequency-dependent radiative transfer equation, non-equilibrium chemistry, and one-dimensional gas hydrodynamics. We concentrate on the destruction and formation processes of the H$_2$ molecule, which is the main coolant in the primordi","authors_text":"1) ((1) Institute of Physics, H.Niewodniczanski Institute of Nuclear Physics, Jagiellonian University, Jaroslaw Stasielak (1), Marek Kutschera (2, Poland), Poland (2) Astrophysics Division, Slawomir Stachniewicz (2)","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2006-12-22T14:57:43Z","title":"The Influence of External UV Radiation Field on Primordial Gas Clouds: Formulation of the Problem"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0612689","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":"sha256:893140208e3de798e8c30d7e4f82e5defc888c5d2e543fe02e04193bdbdbed10","target":"record","created_at":"2026-05-18T04:26:44Z","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":"07a766be582ff6a59ee4a5bc87bf7f2d8de69cb9c1e471d836ffb0ff3ba1a7b2","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2006-12-22T14:57:43Z","title_canon_sha256":"eef12efd50cec485b409c08b3ab42bb2bd3ac69324aeb044b03cd34824b5a405"},"schema_version":"1.0","source":{"id":"astro-ph/0612689","kind":"arxiv","version":1}},"canonical_sha256":"a4811d0ba9944cca2db5443be61be70faf78a27d8a85faa8a166f951370ae764","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a4811d0ba9944cca2db5443be61be70faf78a27d8a85faa8a166f951370ae764","first_computed_at":"2026-05-18T04:26:44.428214Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:26:44.428214Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Vns5BvtGomIWdyFOm73Ot79wR1QzybhKdLT+mpDrKZyCFK4VTsZ6dizpaY71X7ZT9MZGovTrgm+V48ECdOhqAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:26:44.428817Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0612689","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:893140208e3de798e8c30d7e4f82e5defc888c5d2e543fe02e04193bdbdbed10","sha256:b2a39363af30b4036b3fb8793fb10018f25d72fbc65341b644bb1a592c4e4938"],"state_sha256":"05ce246327919847d3559006f704057fe1df2a797c13fb85af5f517d5d5aba31"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fKIouuF9kW5qlpZmD9LsT1NIii3xCUyTJA/WEANp5nCRWatzb9mKYruBaYs/Eo3mMBU5VYgiXlrLWF6YSnC9Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T16:52:06.106890Z","bundle_sha256":"de6d62e1595d6dc752b33d5b53d144274cb587fc2fa3ac9c175403e76ece2656"}}