{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:JBFRZY6ZCKU5BIFWZN3BUCVQYF","short_pith_number":"pith:JBFRZY6Z","canonical_record":{"source":{"id":"2404.13213","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-04-19T23:34:34Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"249210d5d74099be1aa38340dbc19f9c15d58dba7c0661200546ddb491592db7","abstract_canon_sha256":"8f0da703ebdcb5a21e28f97fdd99c4140f1458410fa3377c38253409916f9d50"},"schema_version":"1.0"},"canonical_sha256":"484b1ce3d912a9d0a0b6cb761a0ab0c1408c3c686cf8d126c2f6dd4de156d6ec","source":{"kind":"arxiv","id":"2404.13213","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2404.13213","created_at":"2026-07-05T08:10:29Z"},{"alias_kind":"arxiv_version","alias_value":"2404.13213v1","created_at":"2026-07-05T08:10:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.13213","created_at":"2026-07-05T08:10:29Z"},{"alias_kind":"pith_short_12","alias_value":"JBFRZY6ZCKU5","created_at":"2026-07-05T08:10:29Z"},{"alias_kind":"pith_short_16","alias_value":"JBFRZY6ZCKU5BIFW","created_at":"2026-07-05T08:10:29Z"},{"alias_kind":"pith_short_8","alias_value":"JBFRZY6Z","created_at":"2026-07-05T08:10:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:JBFRZY6ZCKU5BIFWZN3BUCVQYF","target":"record","payload":{"canonical_record":{"source":{"id":"2404.13213","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-04-19T23:34:34Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"249210d5d74099be1aa38340dbc19f9c15d58dba7c0661200546ddb491592db7","abstract_canon_sha256":"8f0da703ebdcb5a21e28f97fdd99c4140f1458410fa3377c38253409916f9d50"},"schema_version":"1.0"},"canonical_sha256":"484b1ce3d912a9d0a0b6cb761a0ab0c1408c3c686cf8d126c2f6dd4de156d6ec","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:10:29.170620Z","signature_b64":"Mt/D9VSLSRnPGUJXTuPwUO/UdsjyfzkVYsjuVYghtRigqS3segm1lP+j+hOt+GJ2VTxsG8xbelZB00itoaVRCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"484b1ce3d912a9d0a0b6cb761a0ab0c1408c3c686cf8d126c2f6dd4de156d6ec","last_reissued_at":"2026-07-05T08:10:29.170142Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:10:29.170142Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2404.13213","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":"2026-07-05T08:10:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WU8SZgRgXJYGrJGqNHpCLxMCPRTzaywIpQbvXhLCkKnXqvxlH8qyOkPVgk+XJ3BIt1+VKwB8GLIm/QNBf6g9Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T05:41:47.394957Z"},"content_sha256":"bd50072d8db6279ee23cef01bbfd3630d0ab490a06141d5b282c86df228cf638","schema_version":"1.0","event_id":"sha256:bd50072d8db6279ee23cef01bbfd3630d0ab490a06141d5b282c86df228cf638"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:JBFRZY6ZCKU5BIFWZN3BUCVQYF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Ultra-high frequency gravitational waves from cosmic strings with friction","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"astro-ph.CO","authors_text":"L. Sousa, S. Mukovnikov","submitted_at":"2024-04-19T23:34:34Z","abstract_excerpt":"We include the effect of the frictional force caused by interactions between cosmic strings and the particles of the background plasma in the computation of the stochastic gravitational wave background generated by cosmic string loops. Although our results show that friction leads to a partial suppression of the emission of gravitational radiation by cosmic string loops, we also find that loop production is very intense in the early stages of the Kibble regime. We show that, in many instances, this leads to a prominent signature of friction in the ultra-high frequency range of the spectrum, in"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.13213","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/2404.13213/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":"2026-07-05T08:10:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3ZsmbEBziyhA2Z0N19IQ1v91m6d6ogSqj/myzantW3EpAgn6fe4O8xgFyOIHmH7fML1+rMpFEAHTH7c5MPGCDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T05:41:47.395553Z"},"content_sha256":"97a77daaf7d16365b20409ad31a6eacb06e08b725e0241c6d5c019e81c700762","schema_version":"1.0","event_id":"sha256:97a77daaf7d16365b20409ad31a6eacb06e08b725e0241c6d5c019e81c700762"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JBFRZY6ZCKU5BIFWZN3BUCVQYF/bundle.json","state_url":"https://pith.science/pith/JBFRZY6ZCKU5BIFWZN3BUCVQYF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JBFRZY6ZCKU5BIFWZN3BUCVQYF/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":"2026-08-19T05:41:47Z","links":{"resolver":"https://pith.science/pith/JBFRZY6ZCKU5BIFWZN3BUCVQYF","bundle":"https://pith.science/pith/JBFRZY6ZCKU5BIFWZN3BUCVQYF/bundle.json","state":"https://pith.science/pith/JBFRZY6ZCKU5BIFWZN3BUCVQYF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JBFRZY6ZCKU5BIFWZN3BUCVQYF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:JBFRZY6ZCKU5BIFWZN3BUCVQYF","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":"8f0da703ebdcb5a21e28f97fdd99c4140f1458410fa3377c38253409916f9d50","cross_cats_sorted":["hep-th"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-04-19T23:34:34Z","title_canon_sha256":"249210d5d74099be1aa38340dbc19f9c15d58dba7c0661200546ddb491592db7"},"schema_version":"1.0","source":{"id":"2404.13213","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2404.13213","created_at":"2026-07-05T08:10:29Z"},{"alias_kind":"arxiv_version","alias_value":"2404.13213v1","created_at":"2026-07-05T08:10:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.13213","created_at":"2026-07-05T08:10:29Z"},{"alias_kind":"pith_short_12","alias_value":"JBFRZY6ZCKU5","created_at":"2026-07-05T08:10:29Z"},{"alias_kind":"pith_short_16","alias_value":"JBFRZY6ZCKU5BIFW","created_at":"2026-07-05T08:10:29Z"},{"alias_kind":"pith_short_8","alias_value":"JBFRZY6Z","created_at":"2026-07-05T08:10:29Z"}],"graph_snapshots":[{"event_id":"sha256:97a77daaf7d16365b20409ad31a6eacb06e08b725e0241c6d5c019e81c700762","target":"graph","created_at":"2026-07-05T08:10:29Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2404.13213/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We include the effect of the frictional force caused by interactions between cosmic strings and the particles of the background plasma in the computation of the stochastic gravitational wave background generated by cosmic string loops. Although our results show that friction leads to a partial suppression of the emission of gravitational radiation by cosmic string loops, we also find that loop production is very intense in the early stages of the Kibble regime. We show that, in many instances, this leads to a prominent signature of friction in the ultra-high frequency range of the spectrum, in","authors_text":"L. Sousa, S. Mukovnikov","cross_cats":["hep-th"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-04-19T23:34:34Z","title":"Ultra-high frequency gravitational waves from cosmic strings with friction"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.13213","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:bd50072d8db6279ee23cef01bbfd3630d0ab490a06141d5b282c86df228cf638","target":"record","created_at":"2026-07-05T08:10:29Z","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":"8f0da703ebdcb5a21e28f97fdd99c4140f1458410fa3377c38253409916f9d50","cross_cats_sorted":["hep-th"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-04-19T23:34:34Z","title_canon_sha256":"249210d5d74099be1aa38340dbc19f9c15d58dba7c0661200546ddb491592db7"},"schema_version":"1.0","source":{"id":"2404.13213","kind":"arxiv","version":1}},"canonical_sha256":"484b1ce3d912a9d0a0b6cb761a0ab0c1408c3c686cf8d126c2f6dd4de156d6ec","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"484b1ce3d912a9d0a0b6cb761a0ab0c1408c3c686cf8d126c2f6dd4de156d6ec","first_computed_at":"2026-07-05T08:10:29.170142Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:10:29.170142Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Mt/D9VSLSRnPGUJXTuPwUO/UdsjyfzkVYsjuVYghtRigqS3segm1lP+j+hOt+GJ2VTxsG8xbelZB00itoaVRCg==","signature_status":"signed_v1","signed_at":"2026-07-05T08:10:29.170620Z","signed_message":"canonical_sha256_bytes"},"source_id":"2404.13213","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bd50072d8db6279ee23cef01bbfd3630d0ab490a06141d5b282c86df228cf638","sha256:97a77daaf7d16365b20409ad31a6eacb06e08b725e0241c6d5c019e81c700762"],"state_sha256":"3c3215127a41cefecff8258f388dff077bb3947963ed92f7fc5d42fb191f3297"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yVFJ9FKQn7VESVugZ5KwIVMystV7yOsyUJmvGlsLVdCjWsk4vkpDGB+rkR/97CnSgCoyQvm3hCjFSs+A0i+sCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-19T05:41:47.398950Z","bundle_sha256":"4086939a369cdc49742582d1647f93869fa65fd251c1a765eba3a3fc2322d580"}}