{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:5ZV25GEP2U2WQKJEGKCCXDC7AY","short_pith_number":"pith:5ZV25GEP","canonical_record":{"source":{"id":"1201.1305","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-01-05T21:10:14Z","cross_cats_sorted":[],"title_canon_sha256":"d9b4b3590989a2762d15e9b35ce3182d47693bd1489b2973cae489b31a72be5b","abstract_canon_sha256":"32114c24663b9d6c1670701e337e9ceb73b2978011792d498744b99ad49076d9"},"schema_version":"1.0"},"canonical_sha256":"ee6bae988fd53568292432842b8c5f0608a4910267b6e269629d39399a982f67","source":{"kind":"arxiv","id":"1201.1305","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1201.1305","created_at":"2026-05-18T01:58:55Z"},{"alias_kind":"arxiv_version","alias_value":"1201.1305v1","created_at":"2026-05-18T01:58:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.1305","created_at":"2026-05-18T01:58:55Z"},{"alias_kind":"pith_short_12","alias_value":"5ZV25GEP2U2W","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_16","alias_value":"5ZV25GEP2U2WQKJE","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_8","alias_value":"5ZV25GEP","created_at":"2026-05-18T12:26:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:5ZV25GEP2U2WQKJEGKCCXDC7AY","target":"record","payload":{"canonical_record":{"source":{"id":"1201.1305","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-01-05T21:10:14Z","cross_cats_sorted":[],"title_canon_sha256":"d9b4b3590989a2762d15e9b35ce3182d47693bd1489b2973cae489b31a72be5b","abstract_canon_sha256":"32114c24663b9d6c1670701e337e9ceb73b2978011792d498744b99ad49076d9"},"schema_version":"1.0"},"canonical_sha256":"ee6bae988fd53568292432842b8c5f0608a4910267b6e269629d39399a982f67","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:58:55.155696Z","signature_b64":"UcQpwdwzzrGN1z20UFct8IOtH7B7wlgZRCYlJ7RtOAUNBSgvBgg37Z3CdugXDThFtaZXdC+fW72yHTHOYehiCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ee6bae988fd53568292432842b8c5f0608a4910267b6e269629d39399a982f67","last_reissued_at":"2026-05-18T01:58:55.154920Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:58:55.154920Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1201.1305","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":"2026-05-18T01:58:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AzuUgSyKBHaUtxi4jESiC2xBlSPGfouM7j/tMU/AmKYwUFwqblyYZ/ZqSfEwOin5f1/dKpCmW/ca7LRw33WvDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T15:23:41.660843Z"},"content_sha256":"1f7740cba91af9328f5541933394959716e7f22db5347b17396fe1bde15ae6de","schema_version":"1.0","event_id":"sha256:1f7740cba91af9328f5541933394959716e7f22db5347b17396fe1bde15ae6de"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:5ZV25GEP2U2WQKJEGKCCXDC7AY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dark matter powered stars: Constraints from the extragalactic background light","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"A. Maurer, D. Els\\\"asser, D. Horns, M. Raue, P. H. Hauschildt, T. Kneiske","submitted_at":"2012-01-05T21:10:14Z","abstract_excerpt":"The existence of predominantly cold non-baryonic dark matter is unambiguously demonstrated by several observations (e.g., structure formation, big bang nucleosynthesis, gravitational lensing, and rotational curves of spiral galaxies). A candidate well motivated by particle physics is a weakly interacting massive particle (WIMP). Self-annihilating WIMPs would affect the stellar evolution especially in the early universe. Stars powered by self-annihilating WIMP dark matter should possess different properties compared with standard stars. While a direct detection of such dark matter powered stars"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.1305","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":""},"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":"2026-05-18T01:58:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PhJtn9BcY+1sGN3xGkEjEfCU2A1KsNDZ5DtyWtv5LUEm28GhFUfzqlJquwcIYokM6lxgPMyC/ACZ4mi336+oBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T15:23:41.661387Z"},"content_sha256":"4f7d0acaeeb040a7c997594632c722dc8b24323d974320f3e2fce4e5f90c50e0","schema_version":"1.0","event_id":"sha256:4f7d0acaeeb040a7c997594632c722dc8b24323d974320f3e2fce4e5f90c50e0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5ZV25GEP2U2WQKJEGKCCXDC7AY/bundle.json","state_url":"https://pith.science/pith/5ZV25GEP2U2WQKJEGKCCXDC7AY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5ZV25GEP2U2WQKJEGKCCXDC7AY/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":"2026-05-26T15:23:41Z","links":{"resolver":"https://pith.science/pith/5ZV25GEP2U2WQKJEGKCCXDC7AY","bundle":"https://pith.science/pith/5ZV25GEP2U2WQKJEGKCCXDC7AY/bundle.json","state":"https://pith.science/pith/5ZV25GEP2U2WQKJEGKCCXDC7AY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5ZV25GEP2U2WQKJEGKCCXDC7AY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:5ZV25GEP2U2WQKJEGKCCXDC7AY","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":"32114c24663b9d6c1670701e337e9ceb73b2978011792d498744b99ad49076d9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-01-05T21:10:14Z","title_canon_sha256":"d9b4b3590989a2762d15e9b35ce3182d47693bd1489b2973cae489b31a72be5b"},"schema_version":"1.0","source":{"id":"1201.1305","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1201.1305","created_at":"2026-05-18T01:58:55Z"},{"alias_kind":"arxiv_version","alias_value":"1201.1305v1","created_at":"2026-05-18T01:58:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.1305","created_at":"2026-05-18T01:58:55Z"},{"alias_kind":"pith_short_12","alias_value":"5ZV25GEP2U2W","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_16","alias_value":"5ZV25GEP2U2WQKJE","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_8","alias_value":"5ZV25GEP","created_at":"2026-05-18T12:26:56Z"}],"graph_snapshots":[{"event_id":"sha256:4f7d0acaeeb040a7c997594632c722dc8b24323d974320f3e2fce4e5f90c50e0","target":"graph","created_at":"2026-05-18T01:58:55Z","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":"The existence of predominantly cold non-baryonic dark matter is unambiguously demonstrated by several observations (e.g., structure formation, big bang nucleosynthesis, gravitational lensing, and rotational curves of spiral galaxies). A candidate well motivated by particle physics is a weakly interacting massive particle (WIMP). Self-annihilating WIMPs would affect the stellar evolution especially in the early universe. Stars powered by self-annihilating WIMP dark matter should possess different properties compared with standard stars. While a direct detection of such dark matter powered stars","authors_text":"A. Maurer, D. Els\\\"asser, D. Horns, M. Raue, P. H. Hauschildt, T. Kneiske","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-01-05T21:10:14Z","title":"Dark matter powered stars: Constraints from the extragalactic background light"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.1305","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":"sha256:1f7740cba91af9328f5541933394959716e7f22db5347b17396fe1bde15ae6de","target":"record","created_at":"2026-05-18T01:58:55Z","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":"32114c24663b9d6c1670701e337e9ceb73b2978011792d498744b99ad49076d9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-01-05T21:10:14Z","title_canon_sha256":"d9b4b3590989a2762d15e9b35ce3182d47693bd1489b2973cae489b31a72be5b"},"schema_version":"1.0","source":{"id":"1201.1305","kind":"arxiv","version":1}},"canonical_sha256":"ee6bae988fd53568292432842b8c5f0608a4910267b6e269629d39399a982f67","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ee6bae988fd53568292432842b8c5f0608a4910267b6e269629d39399a982f67","first_computed_at":"2026-05-18T01:58:55.154920Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:58:55.154920Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UcQpwdwzzrGN1z20UFct8IOtH7B7wlgZRCYlJ7RtOAUNBSgvBgg37Z3CdugXDThFtaZXdC+fW72yHTHOYehiCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:58:55.155696Z","signed_message":"canonical_sha256_bytes"},"source_id":"1201.1305","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1f7740cba91af9328f5541933394959716e7f22db5347b17396fe1bde15ae6de","sha256:4f7d0acaeeb040a7c997594632c722dc8b24323d974320f3e2fce4e5f90c50e0"],"state_sha256":"f0af45801c4d085abd0d8e50e958eb5ec8de31a5f070d401d98c6d200f5c52f6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TQ2siNQdNYK/riC3O2pK5lTfZD+yzewjm0rJROev6VHilCgf4bWr5ZVMv4p9U17EgEM0t/L+HQl2a3mAWB+nBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T15:23:41.664429Z","bundle_sha256":"b6fe3c84de1b8a20667308444a759df61a9b06cbd9490429b95da83a0ae65952"}}