{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2002:YIACFOUCZP7AJCDWTJE6RHEBZ6","short_pith_number":"pith:YIACFOUC","canonical_record":{"source":{"id":"astro-ph/0207395","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2002-07-18T18:14:12Z","cross_cats_sorted":[],"title_canon_sha256":"0109b1da3141a8437cb837eb1673deab07e799025c33921873099847ec83ffd4","abstract_canon_sha256":"c87d03b65f1c5f6fe1d3291c5adb2581abe45b59875ea65b6417412aed7be429"},"schema_version":"1.0"},"canonical_sha256":"c20022ba82cbfe0488769a49e89c81cf9499f1339434069ba66391b7fb9f6895","source":{"kind":"arxiv","id":"astro-ph/0207395","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0207395","created_at":"2026-07-04T15:26:21Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0207395v3","created_at":"2026-07-04T15:26:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0207395","created_at":"2026-07-04T15:26:21Z"},{"alias_kind":"pith_short_12","alias_value":"YIACFOUCZP7A","created_at":"2026-07-04T15:26:21Z"},{"alias_kind":"pith_short_16","alias_value":"YIACFOUCZP7AJCDW","created_at":"2026-07-04T15:26:21Z"},{"alias_kind":"pith_short_8","alias_value":"YIACFOUC","created_at":"2026-07-04T15:26:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2002:YIACFOUCZP7AJCDWTJE6RHEBZ6","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0207395","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2002-07-18T18:14:12Z","cross_cats_sorted":[],"title_canon_sha256":"0109b1da3141a8437cb837eb1673deab07e799025c33921873099847ec83ffd4","abstract_canon_sha256":"c87d03b65f1c5f6fe1d3291c5adb2581abe45b59875ea65b6417412aed7be429"},"schema_version":"1.0"},"canonical_sha256":"c20022ba82cbfe0488769a49e89c81cf9499f1339434069ba66391b7fb9f6895","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:26:21.829685Z","signature_b64":"OXlEitartGbS3tsXHSMIGuaf9idUfLXEZMaadqDvcIR0SgRpCsiYhFH0NYNeaLYJn8v7aOtJPQ1wJTUF3mLGCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c20022ba82cbfe0488769a49e89c81cf9499f1339434069ba66391b7fb9f6895","last_reissued_at":"2026-07-04T15:26:21.829255Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:26:21.829255Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0207395","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":"2026-07-04T15:26:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tg7bV4suI/5Ir+7MFFzfgpgQRB6P1KnL+LvsnBp00tI8Wum6mBqbU2t3OgaSvwp1bqGGPOQxDk6bWbelzdr0Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T21:28:57.897103Z"},"content_sha256":"650a393672e561eedc3caadb171c5d3d46e25429ab67348563676e24bc33e793","schema_version":"1.0","event_id":"sha256:650a393672e561eedc3caadb171c5d3d46e25429ab67348563676e24bc33e793"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2002:YIACFOUCZP7AJCDWTJE6RHEBZ6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Antideuterons as a probe of primordial black holes","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. Barrau, D. Maurin, F. Donato, G. Boudoul, I. Stefanon, P. Salati, R. Taillet","submitted_at":"2002-07-18T18:14:12Z","abstract_excerpt":"In most cosmological models, primordial black holes (PBHs) should have formed in the early Universe. Their Hawking evaporation into particles could eventually lead to the formation of antideuterium nuclei. This paper is devoted to a first computation of this antideuteron flux. The production of these antinuclei is studied with a simple coalescence scheme, and their propagation in the Galaxy is treated with a well-constrained diffusion model. We compare the resulting primary flux to the secondary background, due to the spallation of protons on the interstellar matter. Antideuterons are shown to"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0207395","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/astro-ph/0207395/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":"2026-07-04T15:26:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LnoszpRtmm4jSO3OQSRDudWhuJQdd/0FBmzCnIriUxJq5HcA/gA7tO1GKdj7+VMwujTw4YfEmkGQNF31v+HhBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T21:28:57.897720Z"},"content_sha256":"45533ae93e2a97fb16a66f6fbf7f71ad2333208dcbbf1692c2968e26ea6ebf8a","schema_version":"1.0","event_id":"sha256:45533ae93e2a97fb16a66f6fbf7f71ad2333208dcbbf1692c2968e26ea6ebf8a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YIACFOUCZP7AJCDWTJE6RHEBZ6/bundle.json","state_url":"https://pith.science/pith/YIACFOUCZP7AJCDWTJE6RHEBZ6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YIACFOUCZP7AJCDWTJE6RHEBZ6/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":"2026-08-17T21:28:57Z","links":{"resolver":"https://pith.science/pith/YIACFOUCZP7AJCDWTJE6RHEBZ6","bundle":"https://pith.science/pith/YIACFOUCZP7AJCDWTJE6RHEBZ6/bundle.json","state":"https://pith.science/pith/YIACFOUCZP7AJCDWTJE6RHEBZ6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YIACFOUCZP7AJCDWTJE6RHEBZ6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2002:YIACFOUCZP7AJCDWTJE6RHEBZ6","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":"c87d03b65f1c5f6fe1d3291c5adb2581abe45b59875ea65b6417412aed7be429","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2002-07-18T18:14:12Z","title_canon_sha256":"0109b1da3141a8437cb837eb1673deab07e799025c33921873099847ec83ffd4"},"schema_version":"1.0","source":{"id":"astro-ph/0207395","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0207395","created_at":"2026-07-04T15:26:21Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0207395v3","created_at":"2026-07-04T15:26:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0207395","created_at":"2026-07-04T15:26:21Z"},{"alias_kind":"pith_short_12","alias_value":"YIACFOUCZP7A","created_at":"2026-07-04T15:26:21Z"},{"alias_kind":"pith_short_16","alias_value":"YIACFOUCZP7AJCDW","created_at":"2026-07-04T15:26:21Z"},{"alias_kind":"pith_short_8","alias_value":"YIACFOUC","created_at":"2026-07-04T15:26:21Z"}],"graph_snapshots":[{"event_id":"sha256:45533ae93e2a97fb16a66f6fbf7f71ad2333208dcbbf1692c2968e26ea6ebf8a","target":"graph","created_at":"2026-07-04T15:26:21Z","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/astro-ph/0207395/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In most cosmological models, primordial black holes (PBHs) should have formed in the early Universe. Their Hawking evaporation into particles could eventually lead to the formation of antideuterium nuclei. This paper is devoted to a first computation of this antideuteron flux. The production of these antinuclei is studied with a simple coalescence scheme, and their propagation in the Galaxy is treated with a well-constrained diffusion model. We compare the resulting primary flux to the secondary background, due to the spallation of protons on the interstellar matter. Antideuterons are shown to","authors_text":"A. Barrau, D. Maurin, F. Donato, G. Boudoul, I. Stefanon, P. Salati, R. Taillet","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2002-07-18T18:14:12Z","title":"Antideuterons as a probe of primordial black holes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0207395","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":"sha256:650a393672e561eedc3caadb171c5d3d46e25429ab67348563676e24bc33e793","target":"record","created_at":"2026-07-04T15:26:21Z","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":"c87d03b65f1c5f6fe1d3291c5adb2581abe45b59875ea65b6417412aed7be429","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2002-07-18T18:14:12Z","title_canon_sha256":"0109b1da3141a8437cb837eb1673deab07e799025c33921873099847ec83ffd4"},"schema_version":"1.0","source":{"id":"astro-ph/0207395","kind":"arxiv","version":3}},"canonical_sha256":"c20022ba82cbfe0488769a49e89c81cf9499f1339434069ba66391b7fb9f6895","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c20022ba82cbfe0488769a49e89c81cf9499f1339434069ba66391b7fb9f6895","first_computed_at":"2026-07-04T15:26:21.829255Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:26:21.829255Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OXlEitartGbS3tsXHSMIGuaf9idUfLXEZMaadqDvcIR0SgRpCsiYhFH0NYNeaLYJn8v7aOtJPQ1wJTUF3mLGCw==","signature_status":"signed_v1","signed_at":"2026-07-04T15:26:21.829685Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0207395","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:650a393672e561eedc3caadb171c5d3d46e25429ab67348563676e24bc33e793","sha256:45533ae93e2a97fb16a66f6fbf7f71ad2333208dcbbf1692c2968e26ea6ebf8a"],"state_sha256":"4b2ef863e1e562b0f4dc373429e5ad077032ad447d85906d79ccf3ffdb5cbd9c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xRZ3aoJ6F3jTCjh6cyXB+q64mKFL/3KTmAllrGpikb4dpcJ8XLzAqWRIb0kFqRH1cklwBgkl4EM2v0c5/1ObCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-17T21:28:57.905692Z","bundle_sha256":"b1423e685c39dd70af05c2a8b64c65ef215f9de0486987b3f37f29f404691732"}}