{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:HC5KDX6H44RY3RQQXHCVFZUF3G","short_pith_number":"pith:HC5KDX6H","canonical_record":{"source":{"id":"2401.14331","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-01-25T17:29:12Z","cross_cats_sorted":["astro-ph.HE","gr-qc","hep-ph"],"title_canon_sha256":"27f3131974ee660b192fcf7596e5a668d6f13933e1d35058780fb52af4b5f93e","abstract_canon_sha256":"17a9ed1c22a8dca69acc2e7dd6e6f845a82f4770c47a052888d6b958bdf1f2f7"},"schema_version":"1.0"},"canonical_sha256":"38baa1dfc7e7238dc610b9c552e685d9b8fa3c1b6a3675dfe55c4aac9864853f","source":{"kind":"arxiv","id":"2401.14331","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2401.14331","created_at":"2026-07-05T08:19:41Z"},{"alias_kind":"arxiv_version","alias_value":"2401.14331v3","created_at":"2026-07-05T08:19:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2401.14331","created_at":"2026-07-05T08:19:41Z"},{"alias_kind":"pith_short_12","alias_value":"HC5KDX6H44RY","created_at":"2026-07-05T08:19:41Z"},{"alias_kind":"pith_short_16","alias_value":"HC5KDX6H44RY3RQQ","created_at":"2026-07-05T08:19:41Z"},{"alias_kind":"pith_short_8","alias_value":"HC5KDX6H","created_at":"2026-07-05T08:19:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:HC5KDX6H44RY3RQQXHCVFZUF3G","target":"record","payload":{"canonical_record":{"source":{"id":"2401.14331","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-01-25T17:29:12Z","cross_cats_sorted":["astro-ph.HE","gr-qc","hep-ph"],"title_canon_sha256":"27f3131974ee660b192fcf7596e5a668d6f13933e1d35058780fb52af4b5f93e","abstract_canon_sha256":"17a9ed1c22a8dca69acc2e7dd6e6f845a82f4770c47a052888d6b958bdf1f2f7"},"schema_version":"1.0"},"canonical_sha256":"38baa1dfc7e7238dc610b9c552e685d9b8fa3c1b6a3675dfe55c4aac9864853f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:19:41.610348Z","signature_b64":"wS/lFFxLE+97u/0SYe9oy/BuuJJ9eghWyedBzmIYeJrlR7muhTQL/ghkoAMjin+aurkRQyfAvPvC5d/9THTzBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"38baa1dfc7e7238dc610b9c552e685d9b8fa3c1b6a3675dfe55c4aac9864853f","last_reissued_at":"2026-07-05T08:19:41.609859Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:19:41.609859Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2401.14331","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T08:19:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"I5SMv5EXkPgzJbKdtjHr9eQD2RqmjC3D5BqmlPD24XnoU2IXGtTuFucgOs2JWr5IxiALAyjVaAj5lMBL0xkaBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T07:47:53.737970Z"},"content_sha256":"ffb4ddd7db8b31dede5cd51f341123858eea702abcaa8305ef3ebc5b3ae5b89e","schema_version":"1.0","event_id":"sha256:ffb4ddd7db8b31dede5cd51f341123858eea702abcaa8305ef3ebc5b3ae5b89e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:HC5KDX6H44RY3RQQXHCVFZUF3G","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Collapsing Domain Wall Networks: Impact on Pulsar Timing Arrays and Primordial Black Holes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE","gr-qc","hep-ph"],"primary_cat":"astro-ph.CO","authors_text":"Alessio Notari, Fabrizio Rompineve, Oriol Pujol\\`as, Ricardo Z. Ferreira","submitted_at":"2024-01-25T17:29:12Z","abstract_excerpt":"Unstable domain wall (DW) networks in the early universe are cosmologically viable and can emit a large amount of gravitational waves (GW) before annihilating. As such, they provide an interpretation for the recent signal reported by Pulsar Timing Array (PTA) collaborations. A related important question is whether such a scenario also leads to significant production of Primordial Black Holes (PBH). We investigate both GW and PBH production using 3D numerical simulations in an expanding background, with box sizes up to $N=3240$, including the annihilation phase. We find that: i) the network dec"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2401.14331","kind":"arxiv","version":3},"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/2401.14331/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T08:19:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+v/oBtbMycUdduYH8Rn6h6YN2maXIjBWokHKUJDmbiFrjPdu6Nh+YgQ0Ar9a2MwZ0UI6WZn4I1bWLRUsd+4IDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T07:47:53.738514Z"},"content_sha256":"1ed9e1b2a382c3830297ccfa85220977dad90248d383e79297bd6823290258e0","schema_version":"1.0","event_id":"sha256:1ed9e1b2a382c3830297ccfa85220977dad90248d383e79297bd6823290258e0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HC5KDX6H44RY3RQQXHCVFZUF3G/bundle.json","state_url":"https://pith.science/pith/HC5KDX6H44RY3RQQXHCVFZUF3G/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HC5KDX6H44RY3RQQXHCVFZUF3G/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":"2026-08-04T07:47:53Z","links":{"resolver":"https://pith.science/pith/HC5KDX6H44RY3RQQXHCVFZUF3G","bundle":"https://pith.science/pith/HC5KDX6H44RY3RQQXHCVFZUF3G/bundle.json","state":"https://pith.science/pith/HC5KDX6H44RY3RQQXHCVFZUF3G/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HC5KDX6H44RY3RQQXHCVFZUF3G/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:HC5KDX6H44RY3RQQXHCVFZUF3G","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":"17a9ed1c22a8dca69acc2e7dd6e6f845a82f4770c47a052888d6b958bdf1f2f7","cross_cats_sorted":["astro-ph.HE","gr-qc","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-01-25T17:29:12Z","title_canon_sha256":"27f3131974ee660b192fcf7596e5a668d6f13933e1d35058780fb52af4b5f93e"},"schema_version":"1.0","source":{"id":"2401.14331","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2401.14331","created_at":"2026-07-05T08:19:41Z"},{"alias_kind":"arxiv_version","alias_value":"2401.14331v3","created_at":"2026-07-05T08:19:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2401.14331","created_at":"2026-07-05T08:19:41Z"},{"alias_kind":"pith_short_12","alias_value":"HC5KDX6H44RY","created_at":"2026-07-05T08:19:41Z"},{"alias_kind":"pith_short_16","alias_value":"HC5KDX6H44RY3RQQ","created_at":"2026-07-05T08:19:41Z"},{"alias_kind":"pith_short_8","alias_value":"HC5KDX6H","created_at":"2026-07-05T08:19:41Z"}],"graph_snapshots":[{"event_id":"sha256:1ed9e1b2a382c3830297ccfa85220977dad90248d383e79297bd6823290258e0","target":"graph","created_at":"2026-07-05T08:19:41Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2401.14331/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Unstable domain wall (DW) networks in the early universe are cosmologically viable and can emit a large amount of gravitational waves (GW) before annihilating. As such, they provide an interpretation for the recent signal reported by Pulsar Timing Array (PTA) collaborations. A related important question is whether such a scenario also leads to significant production of Primordial Black Holes (PBH). We investigate both GW and PBH production using 3D numerical simulations in an expanding background, with box sizes up to $N=3240$, including the annihilation phase. We find that: i) the network dec","authors_text":"Alessio Notari, Fabrizio Rompineve, Oriol Pujol\\`as, Ricardo Z. Ferreira","cross_cats":["astro-ph.HE","gr-qc","hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-01-25T17:29:12Z","title":"Collapsing Domain Wall Networks: Impact on Pulsar Timing Arrays and Primordial Black Holes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2401.14331","kind":"arxiv","version":3},"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:ffb4ddd7db8b31dede5cd51f341123858eea702abcaa8305ef3ebc5b3ae5b89e","target":"record","created_at":"2026-07-05T08:19:41Z","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":"17a9ed1c22a8dca69acc2e7dd6e6f845a82f4770c47a052888d6b958bdf1f2f7","cross_cats_sorted":["astro-ph.HE","gr-qc","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-01-25T17:29:12Z","title_canon_sha256":"27f3131974ee660b192fcf7596e5a668d6f13933e1d35058780fb52af4b5f93e"},"schema_version":"1.0","source":{"id":"2401.14331","kind":"arxiv","version":3}},"canonical_sha256":"38baa1dfc7e7238dc610b9c552e685d9b8fa3c1b6a3675dfe55c4aac9864853f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"38baa1dfc7e7238dc610b9c552e685d9b8fa3c1b6a3675dfe55c4aac9864853f","first_computed_at":"2026-07-05T08:19:41.609859Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:19:41.609859Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wS/lFFxLE+97u/0SYe9oy/BuuJJ9eghWyedBzmIYeJrlR7muhTQL/ghkoAMjin+aurkRQyfAvPvC5d/9THTzBA==","signature_status":"signed_v1","signed_at":"2026-07-05T08:19:41.610348Z","signed_message":"canonical_sha256_bytes"},"source_id":"2401.14331","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ffb4ddd7db8b31dede5cd51f341123858eea702abcaa8305ef3ebc5b3ae5b89e","sha256:1ed9e1b2a382c3830297ccfa85220977dad90248d383e79297bd6823290258e0"],"state_sha256":"88b35d12c955871166327194cc567ca7cd2e80d489f5d857701d644f472dbc6e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"foSssXiPPowGfYoRGsslxKvMB+9X4bXQN/7TgwDIZXASye1WgynzHYQtqV79xKdqkBR/ekot2Nhm71dNjJorAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T07:47:53.743715Z","bundle_sha256":"88d55d2c01e7c588a90ab4f5cbb17bc7d670c4192271315f7e69e64679614988"}}