{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:PLG4XKN54VHEYWT3JFDERNGCDX","short_pith_number":"pith:PLG4XKN5","canonical_record":{"source":{"id":"1111.5605","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-11-23T20:26:27Z","cross_cats_sorted":[],"title_canon_sha256":"4f3df1167febfa7af00067851739622c22062a129ca308d3fd8764a69d39503c","abstract_canon_sha256":"1a898c94a0e07813c45bc3b905b652d7e407479545a655663948051e78aca06b"},"schema_version":"1.0"},"canonical_sha256":"7acdcba9bde54e4c5a7b494648b4c21dcfb5f58519ceb157c9013b0321c362ca","source":{"kind":"arxiv","id":"1111.5605","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1111.5605","created_at":"2026-05-18T01:59:26Z"},{"alias_kind":"arxiv_version","alias_value":"1111.5605v2","created_at":"2026-05-18T01:59:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1111.5605","created_at":"2026-05-18T01:59:26Z"},{"alias_kind":"pith_short_12","alias_value":"PLG4XKN54VHE","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_16","alias_value":"PLG4XKN54VHEYWT3","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_8","alias_value":"PLG4XKN5","created_at":"2026-05-18T12:26:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:PLG4XKN54VHEYWT3JFDERNGCDX","target":"record","payload":{"canonical_record":{"source":{"id":"1111.5605","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-11-23T20:26:27Z","cross_cats_sorted":[],"title_canon_sha256":"4f3df1167febfa7af00067851739622c22062a129ca308d3fd8764a69d39503c","abstract_canon_sha256":"1a898c94a0e07813c45bc3b905b652d7e407479545a655663948051e78aca06b"},"schema_version":"1.0"},"canonical_sha256":"7acdcba9bde54e4c5a7b494648b4c21dcfb5f58519ceb157c9013b0321c362ca","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:59:26.144476Z","signature_b64":"K0j31rmWH6ar5wtORx8d7pKVEkmAkCSH1HIEvp8cCU2WERaL+MRaG6UdMW1Fcr7BkDCDNvPfKVibMk2SMGQ4CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7acdcba9bde54e4c5a7b494648b4c21dcfb5f58519ceb157c9013b0321c362ca","last_reissued_at":"2026-05-18T01:59:26.143937Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:59:26.143937Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1111.5605","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":"2026-05-18T01:59:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ca+hs3GwWlg1cKQpvHgJEAmsG5T4JQR8D6vvU1w9qFmgwFUpbTC5felr8PgeYFHf8gF1SkhivaSv+orBakcCBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T02:38:34.097827Z"},"content_sha256":"4e7901ea3630258fba2a828ddad30adebcb714d46cb1d63567afd1da98de982b","schema_version":"1.0","event_id":"sha256:4e7901ea3630258fba2a828ddad30adebcb714d46cb1d63567afd1da98de982b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:PLG4XKN54VHEYWT3JFDERNGCDX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dark matter and dark energy accretion onto intermediate-mass black holes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"C. Pepe, G. E. Romero, L. J. Pellizza","submitted_at":"2011-11-23T20:26:27Z","abstract_excerpt":"In this work we investigate the accretion of cosmological fluids onto an intermediate-mass black hole at the centre of a globular cluster, focusing on the influence of the parent stellar system on the accretion flow. We show that the accretion of cosmic background radiation and the so-called dark energy onto an intermediate-mass black hole is negligible. On the other hand, if cold dark matter has a nonvanishing pressure, the accretion of dark matter is large enough to increase the black hole mass well beyond the present observed upper limits. We conclude that either intermediate-mass black hol"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1111.5605","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":"2026-05-18T01:59:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bLqWxF/7VQS0lTLEr903zidXOBBAJinsV1XqdbkqshmC3uaX0efYv2HNOSjvINlRIySzIKNVPkHawBMrBEY1Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T02:38:34.098303Z"},"content_sha256":"ac36cadc1f89e7737d2f9efbe288b1d7f75a9dc709d934bbf18fe548a91b28b5","schema_version":"1.0","event_id":"sha256:ac36cadc1f89e7737d2f9efbe288b1d7f75a9dc709d934bbf18fe548a91b28b5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PLG4XKN54VHEYWT3JFDERNGCDX/bundle.json","state_url":"https://pith.science/pith/PLG4XKN54VHEYWT3JFDERNGCDX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PLG4XKN54VHEYWT3JFDERNGCDX/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":"2026-05-30T02:38:34Z","links":{"resolver":"https://pith.science/pith/PLG4XKN54VHEYWT3JFDERNGCDX","bundle":"https://pith.science/pith/PLG4XKN54VHEYWT3JFDERNGCDX/bundle.json","state":"https://pith.science/pith/PLG4XKN54VHEYWT3JFDERNGCDX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PLG4XKN54VHEYWT3JFDERNGCDX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:PLG4XKN54VHEYWT3JFDERNGCDX","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":"1a898c94a0e07813c45bc3b905b652d7e407479545a655663948051e78aca06b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-11-23T20:26:27Z","title_canon_sha256":"4f3df1167febfa7af00067851739622c22062a129ca308d3fd8764a69d39503c"},"schema_version":"1.0","source":{"id":"1111.5605","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1111.5605","created_at":"2026-05-18T01:59:26Z"},{"alias_kind":"arxiv_version","alias_value":"1111.5605v2","created_at":"2026-05-18T01:59:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1111.5605","created_at":"2026-05-18T01:59:26Z"},{"alias_kind":"pith_short_12","alias_value":"PLG4XKN54VHE","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_16","alias_value":"PLG4XKN54VHEYWT3","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_8","alias_value":"PLG4XKN5","created_at":"2026-05-18T12:26:39Z"}],"graph_snapshots":[{"event_id":"sha256:ac36cadc1f89e7737d2f9efbe288b1d7f75a9dc709d934bbf18fe548a91b28b5","target":"graph","created_at":"2026-05-18T01:59:26Z","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":"In this work we investigate the accretion of cosmological fluids onto an intermediate-mass black hole at the centre of a globular cluster, focusing on the influence of the parent stellar system on the accretion flow. We show that the accretion of cosmic background radiation and the so-called dark energy onto an intermediate-mass black hole is negligible. On the other hand, if cold dark matter has a nonvanishing pressure, the accretion of dark matter is large enough to increase the black hole mass well beyond the present observed upper limits. We conclude that either intermediate-mass black hol","authors_text":"C. Pepe, G. E. Romero, L. J. Pellizza","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-11-23T20:26:27Z","title":"Dark matter and dark energy accretion onto intermediate-mass black holes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1111.5605","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":"sha256:4e7901ea3630258fba2a828ddad30adebcb714d46cb1d63567afd1da98de982b","target":"record","created_at":"2026-05-18T01:59:26Z","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":"1a898c94a0e07813c45bc3b905b652d7e407479545a655663948051e78aca06b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-11-23T20:26:27Z","title_canon_sha256":"4f3df1167febfa7af00067851739622c22062a129ca308d3fd8764a69d39503c"},"schema_version":"1.0","source":{"id":"1111.5605","kind":"arxiv","version":2}},"canonical_sha256":"7acdcba9bde54e4c5a7b494648b4c21dcfb5f58519ceb157c9013b0321c362ca","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7acdcba9bde54e4c5a7b494648b4c21dcfb5f58519ceb157c9013b0321c362ca","first_computed_at":"2026-05-18T01:59:26.143937Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:59:26.143937Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"K0j31rmWH6ar5wtORx8d7pKVEkmAkCSH1HIEvp8cCU2WERaL+MRaG6UdMW1Fcr7BkDCDNvPfKVibMk2SMGQ4CQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:59:26.144476Z","signed_message":"canonical_sha256_bytes"},"source_id":"1111.5605","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4e7901ea3630258fba2a828ddad30adebcb714d46cb1d63567afd1da98de982b","sha256:ac36cadc1f89e7737d2f9efbe288b1d7f75a9dc709d934bbf18fe548a91b28b5"],"state_sha256":"82b82f5e50533c848b641ae648b60dd714f94c1d685048b72eb8da5475683dfe"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"efGrweLZmTebP9rrRtK5nJR2tshDjdTU4aF+igyz7BKK7nSGpXALCBeQdnNZB7KbTYt0TjuzfNwiEculHAczBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T02:38:34.104297Z","bundle_sha256":"d2ecfb0db8d73e78adbb3b60453608df36ebdb5be0234019a053fe7b7e69903c"}}