{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:MUEYLR7R6Y5BXC4WO65F6XYFJR","short_pith_number":"pith:MUEYLR7R","canonical_record":{"source":{"id":"1812.10606","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-12-27T03:28:54Z","cross_cats_sorted":["astro-ph.HE","hep-ph"],"title_canon_sha256":"4aae0a2061cfa8f61dc5b4f17e7ce9427be04f67194436d5c5d0492b44d17ead","abstract_canon_sha256":"eac9efee873a3b720f802451e9a0d1cb4f282649d38350a7ae6d97b632bb75fc"},"schema_version":"1.0"},"canonical_sha256":"650985c7f1f63a1b8b9677ba5f5f054c7a3ece22625f57834929dad6076b5bad","source":{"kind":"arxiv","id":"1812.10606","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.10606","created_at":"2026-05-17T23:47:07Z"},{"alias_kind":"arxiv_version","alias_value":"1812.10606v2","created_at":"2026-05-17T23:47:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.10606","created_at":"2026-05-17T23:47:07Z"},{"alias_kind":"pith_short_12","alias_value":"MUEYLR7R6Y5B","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_16","alias_value":"MUEYLR7R6Y5BXC4W","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_8","alias_value":"MUEYLR7R","created_at":"2026-05-18T12:32:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:MUEYLR7R6Y5BXC4WO65F6XYFJR","target":"record","payload":{"canonical_record":{"source":{"id":"1812.10606","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-12-27T03:28:54Z","cross_cats_sorted":["astro-ph.HE","hep-ph"],"title_canon_sha256":"4aae0a2061cfa8f61dc5b4f17e7ce9427be04f67194436d5c5d0492b44d17ead","abstract_canon_sha256":"eac9efee873a3b720f802451e9a0d1cb4f282649d38350a7ae6d97b632bb75fc"},"schema_version":"1.0"},"canonical_sha256":"650985c7f1f63a1b8b9677ba5f5f054c7a3ece22625f57834929dad6076b5bad","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:47:07.147473Z","signature_b64":"0FZC9h1l1J1xe+KF8UdRcHm6oX3l0++MFmeW8XFBNTedkEYVRrPS/7YMgJp0cizSqgf7VvHEbbHEUIQptJPwAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"650985c7f1f63a1b8b9677ba5f5f054c7a3ece22625f57834929dad6076b5bad","last_reissued_at":"2026-05-17T23:47:07.146973Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:47:07.146973Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1812.10606","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":"2026-05-17T23:47:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Sm/U8BMATdq1djwncOLksP8NFXI5e3lK2XCKoCwWkyJ4t8VCs+dLm/bUnYy5EwfU3hhqTwBRFBqYTvjlqN7tAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T06:15:44.135163Z"},"content_sha256":"5bb7494715b7551ef88fd0ec9db448ebc2de1e293d79135bee5f347af256cee9","schema_version":"1.0","event_id":"sha256:5bb7494715b7551ef88fd0ec9db448ebc2de1e293d79135bee5f347af256cee9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:MUEYLR7R6Y5BXC4WO65F6XYFJR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Melanopogenesis: Dark Matter of (almost) any Mass and Baryonic Matter from the Evaporation of Primordial Black Holes weighing a Ton (or less)","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE","hep-ph"],"primary_cat":"astro-ph.CO","authors_text":"Logan Morrison, Stefano Profumo, Yan Yu","submitted_at":"2018-12-27T03:28:54Z","abstract_excerpt":"The evaporation of primordial black holes with a mass in the $1\\ {\\rm gram}\\lesssim M_{\\rm PBH}\\lesssim$1000 kg range can lead to the production of dark matter particles of almost any mass in the range $0.1\\ {\\rm MeV}\\lesssim m_{\\rm DM}\\lesssim 10^{18}$ GeV with the right relic density at very early times, $\\tau\\lesssim 10^{-10}$ s. We calculate, as a function of the primordial black holes mass and initial abundance, the combination of dark matter particle masses and number of effective dark degrees of freedom leading to the right abundance of dark matter today, whether or not evaporation stop"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.10606","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":"2026-05-17T23:47:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/Qcl9GVNNng1POLNAehJ+joCjVzZc+odpNjHjCpUxRkOCijKuyRaWE5inD3izAeHkL4dAdbdAxY4oz3cVsf6Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T06:15:44.135948Z"},"content_sha256":"9154604f1677d98ad39a43c7876cb1cf302752d47c7d2c9185c1fd6c05f34062","schema_version":"1.0","event_id":"sha256:9154604f1677d98ad39a43c7876cb1cf302752d47c7d2c9185c1fd6c05f34062"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MUEYLR7R6Y5BXC4WO65F6XYFJR/bundle.json","state_url":"https://pith.science/pith/MUEYLR7R6Y5BXC4WO65F6XYFJR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MUEYLR7R6Y5BXC4WO65F6XYFJR/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":"2026-08-05T06:15:44Z","links":{"resolver":"https://pith.science/pith/MUEYLR7R6Y5BXC4WO65F6XYFJR","bundle":"https://pith.science/pith/MUEYLR7R6Y5BXC4WO65F6XYFJR/bundle.json","state":"https://pith.science/pith/MUEYLR7R6Y5BXC4WO65F6XYFJR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MUEYLR7R6Y5BXC4WO65F6XYFJR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:MUEYLR7R6Y5BXC4WO65F6XYFJR","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":"eac9efee873a3b720f802451e9a0d1cb4f282649d38350a7ae6d97b632bb75fc","cross_cats_sorted":["astro-ph.HE","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-12-27T03:28:54Z","title_canon_sha256":"4aae0a2061cfa8f61dc5b4f17e7ce9427be04f67194436d5c5d0492b44d17ead"},"schema_version":"1.0","source":{"id":"1812.10606","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.10606","created_at":"2026-05-17T23:47:07Z"},{"alias_kind":"arxiv_version","alias_value":"1812.10606v2","created_at":"2026-05-17T23:47:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.10606","created_at":"2026-05-17T23:47:07Z"},{"alias_kind":"pith_short_12","alias_value":"MUEYLR7R6Y5B","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_16","alias_value":"MUEYLR7R6Y5BXC4W","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_8","alias_value":"MUEYLR7R","created_at":"2026-05-18T12:32:40Z"}],"graph_snapshots":[{"event_id":"sha256:9154604f1677d98ad39a43c7876cb1cf302752d47c7d2c9185c1fd6c05f34062","target":"graph","created_at":"2026-05-17T23:47:07Z","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 evaporation of primordial black holes with a mass in the $1\\ {\\rm gram}\\lesssim M_{\\rm PBH}\\lesssim$1000 kg range can lead to the production of dark matter particles of almost any mass in the range $0.1\\ {\\rm MeV}\\lesssim m_{\\rm DM}\\lesssim 10^{18}$ GeV with the right relic density at very early times, $\\tau\\lesssim 10^{-10}$ s. We calculate, as a function of the primordial black holes mass and initial abundance, the combination of dark matter particle masses and number of effective dark degrees of freedom leading to the right abundance of dark matter today, whether or not evaporation stop","authors_text":"Logan Morrison, Stefano Profumo, Yan Yu","cross_cats":["astro-ph.HE","hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-12-27T03:28:54Z","title":"Melanopogenesis: Dark Matter of (almost) any Mass and Baryonic Matter from the Evaporation of Primordial Black Holes weighing a Ton (or less)"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.10606","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":"sha256:5bb7494715b7551ef88fd0ec9db448ebc2de1e293d79135bee5f347af256cee9","target":"record","created_at":"2026-05-17T23:47:07Z","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":"eac9efee873a3b720f802451e9a0d1cb4f282649d38350a7ae6d97b632bb75fc","cross_cats_sorted":["astro-ph.HE","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-12-27T03:28:54Z","title_canon_sha256":"4aae0a2061cfa8f61dc5b4f17e7ce9427be04f67194436d5c5d0492b44d17ead"},"schema_version":"1.0","source":{"id":"1812.10606","kind":"arxiv","version":2}},"canonical_sha256":"650985c7f1f63a1b8b9677ba5f5f054c7a3ece22625f57834929dad6076b5bad","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"650985c7f1f63a1b8b9677ba5f5f054c7a3ece22625f57834929dad6076b5bad","first_computed_at":"2026-05-17T23:47:07.146973Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:47:07.146973Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0FZC9h1l1J1xe+KF8UdRcHm6oX3l0++MFmeW8XFBNTedkEYVRrPS/7YMgJp0cizSqgf7VvHEbbHEUIQptJPwAA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:47:07.147473Z","signed_message":"canonical_sha256_bytes"},"source_id":"1812.10606","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5bb7494715b7551ef88fd0ec9db448ebc2de1e293d79135bee5f347af256cee9","sha256:9154604f1677d98ad39a43c7876cb1cf302752d47c7d2c9185c1fd6c05f34062"],"state_sha256":"30ebdc7734cf2e7951b09acdea39cd3ad0bfdc314ef504e089ac980596601266"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pMXZhAzhlD6vVsC3aXLw8EvjZ/k1bFqDE/N4QmlQELGXc8QbC5uIy69DSJ7XURUrC0aekaShji+r5slc5y2QDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T06:15:44.140708Z","bundle_sha256":"ef03966ebeda8dee232c9a7999e12e65854e1e213ebcf5198339693dc77c2c10"}}