{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:QPO6SOLVRP7R5KJVGGZNA5I2NL","short_pith_number":"pith:QPO6SOLV","canonical_record":{"source":{"id":"1808.08968","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-08-27T18:00:10Z","cross_cats_sorted":["astro-ph.CO","hep-th"],"title_canon_sha256":"083b5c82a3035b28e08f4d451e03d13033062a7d81a5488699230204def99f4f","abstract_canon_sha256":"19b0cfc89e931c7809f79fdf7b2c31c33b96a6e927bb072707f27aeb6fca7511"},"schema_version":"1.0"},"canonical_sha256":"83dde939758bff1ea93531b2d0751a6ad965f77c90521fe886d81deadea9ffa4","source":{"kind":"arxiv","id":"1808.08968","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.08968","created_at":"2026-05-17T23:53:29Z"},{"alias_kind":"arxiv_version","alias_value":"1808.08968v2","created_at":"2026-05-17T23:53:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.08968","created_at":"2026-05-17T23:53:29Z"},{"alias_kind":"pith_short_12","alias_value":"QPO6SOLVRP7R","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_16","alias_value":"QPO6SOLVRP7R5KJV","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_8","alias_value":"QPO6SOLV","created_at":"2026-05-18T12:32:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:QPO6SOLVRP7R5KJVGGZNA5I2NL","target":"record","payload":{"canonical_record":{"source":{"id":"1808.08968","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-08-27T18:00:10Z","cross_cats_sorted":["astro-ph.CO","hep-th"],"title_canon_sha256":"083b5c82a3035b28e08f4d451e03d13033062a7d81a5488699230204def99f4f","abstract_canon_sha256":"19b0cfc89e931c7809f79fdf7b2c31c33b96a6e927bb072707f27aeb6fca7511"},"schema_version":"1.0"},"canonical_sha256":"83dde939758bff1ea93531b2d0751a6ad965f77c90521fe886d81deadea9ffa4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:53:29.131736Z","signature_b64":"itWjV1uisDCfIhiek5G1eGSorOLZfKkrZU5aY0dQkB6Gf32Fwu9POsIiFEBzGGL2mtTNfboQ8KSwfDvPZ74eBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"83dde939758bff1ea93531b2d0751a6ad965f77c90521fe886d81deadea9ffa4","last_reissued_at":"2026-05-17T23:53:29.131209Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:53:29.131209Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1808.08968","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":"2026-05-17T23:53:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QUoxuImY0GQJGDy0ubrkWukD3EsuYMOzW2GZVT/i34PN1aituNKOcE7iAAGZXKAYc5OPB25PrAXoLdcwpv2IAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T12:09:46.362478Z"},"content_sha256":"b998cb999aaa3b4d23f0bb6a959d2385e9dda8d8929e54738ab41edb3e2ddce6","schema_version":"1.0","event_id":"sha256:b998cb999aaa3b4d23f0bb6a959d2385e9dda8d8929e54738ab41edb3e2ddce6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:QPO6SOLVRP7R5KJVGGZNA5I2NL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Probing the pre-BBN universe with gravitational waves from cosmic strings","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","hep-th"],"primary_cat":"hep-ph","authors_text":"David E. Morrissey, James D. Wells, Marek Lewicki, Yanou Cui","submitted_at":"2018-08-27T18:00:10Z","abstract_excerpt":"Many motivated extensions of the Standard Model predict the existence of cosmic strings. Gravitational waves originating from the dynamics of the resulting cosmic string network have the ability to probe many otherwise inaccessible properties of the early universe. In this study we show how the spectrum of gravitational waves from a cosmic string network can be used to test the equation of state of the early universe prior to Big Bang Nucleosynthesis (BBN). We also demonstrate that current and planned gravitational wave detectors such as LIGO, LISA, DECIGO/BBO, and ET/CE have the potential to "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.08968","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":"2026-05-17T23:53:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FmAtIrGqvg5s14n1KXMWH+mRrIJoDr5ZSUvPxGskLzJyRbAc1HEVVFxn7ZdwNlCZ6DvGk/XLIdxb0CrSRtTMAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T12:09:46.362819Z"},"content_sha256":"90cb5beaf22bfddb4b1659948aed1e105a8da4d18a089139e9f44c23118ebf51","schema_version":"1.0","event_id":"sha256:90cb5beaf22bfddb4b1659948aed1e105a8da4d18a089139e9f44c23118ebf51"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QPO6SOLVRP7R5KJVGGZNA5I2NL/bundle.json","state_url":"https://pith.science/pith/QPO6SOLVRP7R5KJVGGZNA5I2NL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QPO6SOLVRP7R5KJVGGZNA5I2NL/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":"2026-06-02T12:09:46Z","links":{"resolver":"https://pith.science/pith/QPO6SOLVRP7R5KJVGGZNA5I2NL","bundle":"https://pith.science/pith/QPO6SOLVRP7R5KJVGGZNA5I2NL/bundle.json","state":"https://pith.science/pith/QPO6SOLVRP7R5KJVGGZNA5I2NL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QPO6SOLVRP7R5KJVGGZNA5I2NL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:QPO6SOLVRP7R5KJVGGZNA5I2NL","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":"19b0cfc89e931c7809f79fdf7b2c31c33b96a6e927bb072707f27aeb6fca7511","cross_cats_sorted":["astro-ph.CO","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-08-27T18:00:10Z","title_canon_sha256":"083b5c82a3035b28e08f4d451e03d13033062a7d81a5488699230204def99f4f"},"schema_version":"1.0","source":{"id":"1808.08968","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.08968","created_at":"2026-05-17T23:53:29Z"},{"alias_kind":"arxiv_version","alias_value":"1808.08968v2","created_at":"2026-05-17T23:53:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.08968","created_at":"2026-05-17T23:53:29Z"},{"alias_kind":"pith_short_12","alias_value":"QPO6SOLVRP7R","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_16","alias_value":"QPO6SOLVRP7R5KJV","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_8","alias_value":"QPO6SOLV","created_at":"2026-05-18T12:32:46Z"}],"graph_snapshots":[{"event_id":"sha256:90cb5beaf22bfddb4b1659948aed1e105a8da4d18a089139e9f44c23118ebf51","target":"graph","created_at":"2026-05-17T23:53:29Z","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":"Many motivated extensions of the Standard Model predict the existence of cosmic strings. Gravitational waves originating from the dynamics of the resulting cosmic string network have the ability to probe many otherwise inaccessible properties of the early universe. In this study we show how the spectrum of gravitational waves from a cosmic string network can be used to test the equation of state of the early universe prior to Big Bang Nucleosynthesis (BBN). We also demonstrate that current and planned gravitational wave detectors such as LIGO, LISA, DECIGO/BBO, and ET/CE have the potential to ","authors_text":"David E. Morrissey, James D. Wells, Marek Lewicki, Yanou Cui","cross_cats":["astro-ph.CO","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-08-27T18:00:10Z","title":"Probing the pre-BBN universe with gravitational waves from cosmic strings"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.08968","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:b998cb999aaa3b4d23f0bb6a959d2385e9dda8d8929e54738ab41edb3e2ddce6","target":"record","created_at":"2026-05-17T23:53:29Z","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":"19b0cfc89e931c7809f79fdf7b2c31c33b96a6e927bb072707f27aeb6fca7511","cross_cats_sorted":["astro-ph.CO","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-08-27T18:00:10Z","title_canon_sha256":"083b5c82a3035b28e08f4d451e03d13033062a7d81a5488699230204def99f4f"},"schema_version":"1.0","source":{"id":"1808.08968","kind":"arxiv","version":2}},"canonical_sha256":"83dde939758bff1ea93531b2d0751a6ad965f77c90521fe886d81deadea9ffa4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"83dde939758bff1ea93531b2d0751a6ad965f77c90521fe886d81deadea9ffa4","first_computed_at":"2026-05-17T23:53:29.131209Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:53:29.131209Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"itWjV1uisDCfIhiek5G1eGSorOLZfKkrZU5aY0dQkB6Gf32Fwu9POsIiFEBzGGL2mtTNfboQ8KSwfDvPZ74eBQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:53:29.131736Z","signed_message":"canonical_sha256_bytes"},"source_id":"1808.08968","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b998cb999aaa3b4d23f0bb6a959d2385e9dda8d8929e54738ab41edb3e2ddce6","sha256:90cb5beaf22bfddb4b1659948aed1e105a8da4d18a089139e9f44c23118ebf51"],"state_sha256":"bbb1b7bf421705094dd02855c1a35ebbd5098007ca950a6041137891aeed733b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"u9dKfxvHnSeGo7IL9MJQdGNMAgvcHqh5OmJnItTYYzyNTJHv94NprJa1QrcftSlBSLqecxmsEclkt6k6x3CaAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T12:09:46.364659Z","bundle_sha256":"db19d0c3e65ebf85aec739d2566e9a2dc43bda2fdc36b376e1a87f4df4f4a92a"}}