{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2022:66VEXWVIGHGJL4L4OZDNZ7PDAS","short_pith_number":"pith:66VEXWVI","schema_version":"1.0","canonical_sha256":"f7aa4bdaa831cc95f17c7646dcfde30495e61b3d4c25038653c4e32a6003976c","source":{"kind":"arxiv","id":"2208.03330","version":1},"attestation_state":"computed","paper":{"title":"Have Pulsar Timing Arrays detected the Hot Big Bang? Gravitational Waves from Strong First Order Phase Transitions in the Early Universe","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph","hep-th"],"primary_cat":"astro-ph.CO","authors_text":"Katherine Freese, Martin Wolfgang Winkler","submitted_at":"2022-08-05T18:00:02Z","abstract_excerpt":"The origins of matter and radiation in the universe lie in a Hot Big Bang. We present a number of well-motivated cosmologies in which the Big Bang occurs through a strong first order phase transition -- either at the end of inflation, after a period of kination (\"Kination-Induced Big Bang\"), or after a second period of vacuum-domination in the early universe (\"Supercooled Big Bang\"); we also propose a \"Dark Big Bang\" where only the dark matter in the Universe is created in a first-order phase transition much after inflation. In all of these scenarios, the resulting gravitational radiation can "},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2208.03330","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2022-08-05T18:00:02Z","cross_cats_sorted":["hep-ph","hep-th"],"title_canon_sha256":"98e844295e0ac247e1487adf99bb05e937838cef7398bdb28da5c967e4c3371d","abstract_canon_sha256":"1228ccacbf14e6e515219e60ebf0e615fcdc0b778f2db0bcdcc8908c5f6a85d7"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:20:44.795819Z","signature_b64":"67N98ea7jaY/1gU3r/1qvrJnfmB62MD/l0SYHbh+5Gn6kUAAOA87icBFCfADoxAUA2lURwB2XHmYR3ipz4SUAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f7aa4bdaa831cc95f17c7646dcfde30495e61b3d4c25038653c4e32a6003976c","last_reissued_at":"2026-07-05T05:20:44.795290Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:20:44.795290Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Have Pulsar Timing Arrays detected the Hot Big Bang? Gravitational Waves from Strong First Order Phase Transitions in the Early Universe","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph","hep-th"],"primary_cat":"astro-ph.CO","authors_text":"Katherine Freese, Martin Wolfgang Winkler","submitted_at":"2022-08-05T18:00:02Z","abstract_excerpt":"The origins of matter and radiation in the universe lie in a Hot Big Bang. We present a number of well-motivated cosmologies in which the Big Bang occurs through a strong first order phase transition -- either at the end of inflation, after a period of kination (\"Kination-Induced Big Bang\"), or after a second period of vacuum-domination in the early universe (\"Supercooled Big Bang\"); we also propose a \"Dark Big Bang\" where only the dark matter in the Universe is created in a first-order phase transition much after inflation. In all of these scenarios, the resulting gravitational radiation can "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2208.03330","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2208.03330/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2208.03330","created_at":"2026-07-05T05:20:44.795357+00:00"},{"alias_kind":"arxiv_version","alias_value":"2208.03330v1","created_at":"2026-07-05T05:20:44.795357+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2208.03330","created_at":"2026-07-05T05:20:44.795357+00:00"},{"alias_kind":"pith_short_12","alias_value":"66VEXWVIGHGJ","created_at":"2026-07-05T05:20:44.795357+00:00"},{"alias_kind":"pith_short_16","alias_value":"66VEXWVIGHGJL4L4","created_at":"2026-07-05T05:20:44.795357+00:00"},{"alias_kind":"pith_short_8","alias_value":"66VEXWVI","created_at":"2026-07-05T05:20:44.795357+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/66VEXWVIGHGJL4L4OZDNZ7PDAS","json":"https://pith.science/pith/66VEXWVIGHGJL4L4OZDNZ7PDAS.json","graph_json":"https://pith.science/api/pith-number/66VEXWVIGHGJL4L4OZDNZ7PDAS/graph.json","events_json":"https://pith.science/api/pith-number/66VEXWVIGHGJL4L4OZDNZ7PDAS/events.json","paper":"https://pith.science/paper/66VEXWVI"},"agent_actions":{"view_html":"https://pith.science/pith/66VEXWVIGHGJL4L4OZDNZ7PDAS","download_json":"https://pith.science/pith/66VEXWVIGHGJL4L4OZDNZ7PDAS.json","view_paper":"https://pith.science/paper/66VEXWVI","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2208.03330&json=true","fetch_graph":"https://pith.science/api/pith-number/66VEXWVIGHGJL4L4OZDNZ7PDAS/graph.json","fetch_events":"https://pith.science/api/pith-number/66VEXWVIGHGJL4L4OZDNZ7PDAS/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/66VEXWVIGHGJL4L4OZDNZ7PDAS/action/timestamp_anchor","attest_storage":"https://pith.science/pith/66VEXWVIGHGJL4L4OZDNZ7PDAS/action/storage_attestation","attest_author":"https://pith.science/pith/66VEXWVIGHGJL4L4OZDNZ7PDAS/action/author_attestation","sign_citation":"https://pith.science/pith/66VEXWVIGHGJL4L4OZDNZ7PDAS/action/citation_signature","submit_replication":"https://pith.science/pith/66VEXWVIGHGJL4L4OZDNZ7PDAS/action/replication_record"}},"created_at":"2026-07-05T05:20:44.795357+00:00","updated_at":"2026-07-05T05:20:44.795357+00:00"}