{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:YK43GAD4QTRN3UGXJHGJNGC3NG","short_pith_number":"pith:YK43GAD4","canonical_record":{"source":{"id":"2504.17064","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2025-04-23T19:17:07Z","cross_cats_sorted":[],"title_canon_sha256":"335b9ac4887794eb10ebb36230ffcb3ba2db8f142ed5e22f9a1ee7f5e82b757d","abstract_canon_sha256":"6eda0bcc0df741d3570c06cb8a0e56277521e800696a3ebea0500882f0fb984f"},"schema_version":"1.0"},"canonical_sha256":"c2b9b3007c84e2ddd0d749cc96985b69a5c0ab645185a3652a45eb01951a5b56","source":{"kind":"arxiv","id":"2504.17064","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2504.17064","created_at":"2026-05-17T23:39:18Z"},{"alias_kind":"arxiv_version","alias_value":"2504.17064v2","created_at":"2026-05-17T23:39:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.17064","created_at":"2026-05-17T23:39:18Z"},{"alias_kind":"pith_short_12","alias_value":"YK43GAD4QTRN","created_at":"2026-05-18T12:33:37Z"},{"alias_kind":"pith_short_16","alias_value":"YK43GAD4QTRN3UGX","created_at":"2026-05-18T12:33:37Z"},{"alias_kind":"pith_short_8","alias_value":"YK43GAD4","created_at":"2026-05-18T12:33:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:YK43GAD4QTRN3UGXJHGJNGC3NG","target":"record","payload":{"canonical_record":{"source":{"id":"2504.17064","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2025-04-23T19:17:07Z","cross_cats_sorted":[],"title_canon_sha256":"335b9ac4887794eb10ebb36230ffcb3ba2db8f142ed5e22f9a1ee7f5e82b757d","abstract_canon_sha256":"6eda0bcc0df741d3570c06cb8a0e56277521e800696a3ebea0500882f0fb984f"},"schema_version":"1.0"},"canonical_sha256":"c2b9b3007c84e2ddd0d749cc96985b69a5c0ab645185a3652a45eb01951a5b56","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:39:18.099308Z","signature_b64":"9iVhNTQIfXl5RSwB2UCGfb5i8D2GYO/5gTzfv628bAGGhmZijviDzz/mBdW5Lfj0xIMIXxGAD3WCz+Ipen6dBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c2b9b3007c84e2ddd0d749cc96985b69a5c0ab645185a3652a45eb01951a5b56","last_reissued_at":"2026-05-17T23:39:18.098749Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:39:18.098749Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2504.17064","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":"2026-05-17T23:39:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"P5aLLlxCXL1fqQj8qn3xJFzrP8k94fKn5D1mlPUNDdaQGZg6CfLINOwoErUHBG8ac1FORIYmyxJzrY5mjZb5Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T18:00:57.393013Z"},"content_sha256":"d9f5578091c2778aed73adbfa98b6464c86cc41049d29d1dc011c4bd2d6a399c","schema_version":"1.0","event_id":"sha256:d9f5578091c2778aed73adbfa98b6464c86cc41049d29d1dc011c4bd2d6a399c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:YK43GAD4QTRN3UGXJHGJNGC3NG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Imprints of energy injection by compact dark stars in the 21-cm signal","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Alejandro Ibarra, Boris Betancourt Kamenetskaia, Chris Kouvaris","submitted_at":"2025-04-23T19:17:07Z","abstract_excerpt":"A strongly self-interacting component of asymmetric dark matter particles can form compact dark stars. The high dark matter density in these objects may allow significant dark matter annihilation into Standard Model particles, even when the portals to the visible sector are extremely weak. In this paper, we argue that compact dark stars could constitute an important source of energy injection during the cosmic dawn era in addition to that of the baryonic stars. Therefore, if dark stars annihilate into photons, the luminosity of dark stars may affect the reionization history of the Universe. We"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.17064","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":"2026-05-17T23:39:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QYz0hZu9ev2HGeLsPlHbhYKx4Xm1iUQkIMgVoAhmohj2XCpcBOxb/d7xuc9Hwq40JtoSAHI3GdhIJzAemowXAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T18:00:57.393392Z"},"content_sha256":"d92fff26c7d9867e0910bc18724b2aea2db31c63ac31b8bcc7065b02173b7eb4","schema_version":"1.0","event_id":"sha256:d92fff26c7d9867e0910bc18724b2aea2db31c63ac31b8bcc7065b02173b7eb4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YK43GAD4QTRN3UGXJHGJNGC3NG/bundle.json","state_url":"https://pith.science/pith/YK43GAD4QTRN3UGXJHGJNGC3NG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YK43GAD4QTRN3UGXJHGJNGC3NG/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":"2026-05-29T18:00:57Z","links":{"resolver":"https://pith.science/pith/YK43GAD4QTRN3UGXJHGJNGC3NG","bundle":"https://pith.science/pith/YK43GAD4QTRN3UGXJHGJNGC3NG/bundle.json","state":"https://pith.science/pith/YK43GAD4QTRN3UGXJHGJNGC3NG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YK43GAD4QTRN3UGXJHGJNGC3NG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:YK43GAD4QTRN3UGXJHGJNGC3NG","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":"6eda0bcc0df741d3570c06cb8a0e56277521e800696a3ebea0500882f0fb984f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2025-04-23T19:17:07Z","title_canon_sha256":"335b9ac4887794eb10ebb36230ffcb3ba2db8f142ed5e22f9a1ee7f5e82b757d"},"schema_version":"1.0","source":{"id":"2504.17064","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2504.17064","created_at":"2026-05-17T23:39:18Z"},{"alias_kind":"arxiv_version","alias_value":"2504.17064v2","created_at":"2026-05-17T23:39:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.17064","created_at":"2026-05-17T23:39:18Z"},{"alias_kind":"pith_short_12","alias_value":"YK43GAD4QTRN","created_at":"2026-05-18T12:33:37Z"},{"alias_kind":"pith_short_16","alias_value":"YK43GAD4QTRN3UGX","created_at":"2026-05-18T12:33:37Z"},{"alias_kind":"pith_short_8","alias_value":"YK43GAD4","created_at":"2026-05-18T12:33:37Z"}],"graph_snapshots":[{"event_id":"sha256:d92fff26c7d9867e0910bc18724b2aea2db31c63ac31b8bcc7065b02173b7eb4","target":"graph","created_at":"2026-05-17T23:39:18Z","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":"A strongly self-interacting component of asymmetric dark matter particles can form compact dark stars. The high dark matter density in these objects may allow significant dark matter annihilation into Standard Model particles, even when the portals to the visible sector are extremely weak. In this paper, we argue that compact dark stars could constitute an important source of energy injection during the cosmic dawn era in addition to that of the baryonic stars. Therefore, if dark stars annihilate into photons, the luminosity of dark stars may affect the reionization history of the Universe. We","authors_text":"Alejandro Ibarra, Boris Betancourt Kamenetskaia, Chris Kouvaris","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2025-04-23T19:17:07Z","title":"Imprints of energy injection by compact dark stars in the 21-cm signal"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.17064","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:d9f5578091c2778aed73adbfa98b6464c86cc41049d29d1dc011c4bd2d6a399c","target":"record","created_at":"2026-05-17T23:39:18Z","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":"6eda0bcc0df741d3570c06cb8a0e56277521e800696a3ebea0500882f0fb984f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2025-04-23T19:17:07Z","title_canon_sha256":"335b9ac4887794eb10ebb36230ffcb3ba2db8f142ed5e22f9a1ee7f5e82b757d"},"schema_version":"1.0","source":{"id":"2504.17064","kind":"arxiv","version":2}},"canonical_sha256":"c2b9b3007c84e2ddd0d749cc96985b69a5c0ab645185a3652a45eb01951a5b56","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c2b9b3007c84e2ddd0d749cc96985b69a5c0ab645185a3652a45eb01951a5b56","first_computed_at":"2026-05-17T23:39:18.098749Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:39:18.098749Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9iVhNTQIfXl5RSwB2UCGfb5i8D2GYO/5gTzfv628bAGGhmZijviDzz/mBdW5Lfj0xIMIXxGAD3WCz+Ipen6dBw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:39:18.099308Z","signed_message":"canonical_sha256_bytes"},"source_id":"2504.17064","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d9f5578091c2778aed73adbfa98b6464c86cc41049d29d1dc011c4bd2d6a399c","sha256:d92fff26c7d9867e0910bc18724b2aea2db31c63ac31b8bcc7065b02173b7eb4"],"state_sha256":"00c73cf79f8ee435a9e855e114903c1944feb086f4703a3f2c12fe1114ba1efd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ayTxcSzxWwXjbjF2Ei79000YCbXJjy7Un33vUTMuw1UwK2poGFt1CnrI9iUkav9N+WFNuJD/ZAMT6dCneWYfAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-29T18:00:57.395496Z","bundle_sha256":"bc4e516a8f1de04f782b54ac803ca6be8dae90046ec95d1653a79854efa0950b"}}