{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:B2OVVWMRQB2X5PVWLUSBEQJHMS","short_pith_number":"pith:B2OVVWMR","canonical_record":{"source":{"id":"1712.05451","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-12-14T20:48:06Z","cross_cats_sorted":["astro-ph.GA","gr-qc"],"title_canon_sha256":"332a99519895889a7b94548ad48d52459e30a2ed5f39d20952055254407e42e0","abstract_canon_sha256":"86b175e5d8fa62640c4fa5a48af4927c08796f6d7b590a0eb6be51ab58e708be"},"schema_version":"1.0"},"canonical_sha256":"0e9d5ad99180757ebeb65d2412412764875085a34a8c14f03c86b5c072a845b1","source":{"kind":"arxiv","id":"1712.05451","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.05451","created_at":"2026-05-18T00:25:07Z"},{"alias_kind":"arxiv_version","alias_value":"1712.05451v2","created_at":"2026-05-18T00:25:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.05451","created_at":"2026-05-18T00:25:07Z"},{"alias_kind":"pith_short_12","alias_value":"B2OVVWMRQB2X","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_16","alias_value":"B2OVVWMRQB2X5PVW","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_8","alias_value":"B2OVVWMR","created_at":"2026-05-18T12:31:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:B2OVVWMRQB2X5PVWLUSBEQJHMS","target":"record","payload":{"canonical_record":{"source":{"id":"1712.05451","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-12-14T20:48:06Z","cross_cats_sorted":["astro-ph.GA","gr-qc"],"title_canon_sha256":"332a99519895889a7b94548ad48d52459e30a2ed5f39d20952055254407e42e0","abstract_canon_sha256":"86b175e5d8fa62640c4fa5a48af4927c08796f6d7b590a0eb6be51ab58e708be"},"schema_version":"1.0"},"canonical_sha256":"0e9d5ad99180757ebeb65d2412412764875085a34a8c14f03c86b5c072a845b1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:25:07.244395Z","signature_b64":"dQgVWtJZ4cpRPIRyZF/cXIpLBgAPttx9QrumUf1hlfv6bCAeKkIKquf76DjwGtzWsLA3psBo+JqOvW9K313sBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0e9d5ad99180757ebeb65d2412412764875085a34a8c14f03c86b5c072a845b1","last_reissued_at":"2026-05-18T00:25:07.243821Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:25:07.243821Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1712.05451","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":"2026-05-18T00:25:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KRNskhobN68BGxE0I4oF6K8Q7/QEpfFsFJf9DsYvTh3vHiCgB4KfDEwN9plbhPjeyDRWTl1bEDj89f5004b3CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T01:36:56.377469Z"},"content_sha256":"c93d3a0fb6f86e2b55221d6bba12ff46ae4db2588dcf7a82f06b5d0306447d99","schema_version":"1.0","event_id":"sha256:c93d3a0fb6f86e2b55221d6bba12ff46ae4db2588dcf7a82f06b5d0306447d99"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:B2OVVWMRQB2X5PVWLUSBEQJHMS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quasi-Periodic Behavior of Mini-Disks in Binary Black Holes Approaching Merger","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA","gr-qc"],"primary_cat":"astro-ph.HE","authors_text":"Dennis B. Bowen, Julian H. Krolik, Manuela Campanelli, Miguel Zilhao, Scott C. Noble, Vassilios Mewes","submitted_at":"2017-12-14T20:48:06Z","abstract_excerpt":"We present the first magnetohydrodynamic simulation in which a circumbinary disk around a relativistic binary black hole feeds mass to individual accretion disks (\"mini-disks\") around each black hole. Mass flow through the accretion streams linking the circumbinary disk to the mini-disks is modulated quasi-periodically by the streams' interaction with a nonlinear $m=1$ density feature, or \"lump\", at the inner edge of the circumbinary disk: the stream supplying each mini-disk comes into phase with the lump at a frequency $0.74$ times the binary orbital frequency. Because the binary is relativis"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.05451","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":"2026-05-18T00:25:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"b2vL3ZmaTbOoe9kmgYIimdgn3yONYMWqpPdA8wgmp433o6mW3xpaiB3MQqxuc3CMvUibJLvM7cEzOH+y/oUSCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T01:36:56.377826Z"},"content_sha256":"2a64ae3f9275325162bcef48966ac566fad0deef9f21a13af97713b2123415e0","schema_version":"1.0","event_id":"sha256:2a64ae3f9275325162bcef48966ac566fad0deef9f21a13af97713b2123415e0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/B2OVVWMRQB2X5PVWLUSBEQJHMS/bundle.json","state_url":"https://pith.science/pith/B2OVVWMRQB2X5PVWLUSBEQJHMS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/B2OVVWMRQB2X5PVWLUSBEQJHMS/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":"2026-05-30T01:36:56Z","links":{"resolver":"https://pith.science/pith/B2OVVWMRQB2X5PVWLUSBEQJHMS","bundle":"https://pith.science/pith/B2OVVWMRQB2X5PVWLUSBEQJHMS/bundle.json","state":"https://pith.science/pith/B2OVVWMRQB2X5PVWLUSBEQJHMS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/B2OVVWMRQB2X5PVWLUSBEQJHMS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:B2OVVWMRQB2X5PVWLUSBEQJHMS","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":"86b175e5d8fa62640c4fa5a48af4927c08796f6d7b590a0eb6be51ab58e708be","cross_cats_sorted":["astro-ph.GA","gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-12-14T20:48:06Z","title_canon_sha256":"332a99519895889a7b94548ad48d52459e30a2ed5f39d20952055254407e42e0"},"schema_version":"1.0","source":{"id":"1712.05451","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.05451","created_at":"2026-05-18T00:25:07Z"},{"alias_kind":"arxiv_version","alias_value":"1712.05451v2","created_at":"2026-05-18T00:25:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.05451","created_at":"2026-05-18T00:25:07Z"},{"alias_kind":"pith_short_12","alias_value":"B2OVVWMRQB2X","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_16","alias_value":"B2OVVWMRQB2X5PVW","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_8","alias_value":"B2OVVWMR","created_at":"2026-05-18T12:31:08Z"}],"graph_snapshots":[{"event_id":"sha256:2a64ae3f9275325162bcef48966ac566fad0deef9f21a13af97713b2123415e0","target":"graph","created_at":"2026-05-18T00:25:07Z","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":"We present the first magnetohydrodynamic simulation in which a circumbinary disk around a relativistic binary black hole feeds mass to individual accretion disks (\"mini-disks\") around each black hole. Mass flow through the accretion streams linking the circumbinary disk to the mini-disks is modulated quasi-periodically by the streams' interaction with a nonlinear $m=1$ density feature, or \"lump\", at the inner edge of the circumbinary disk: the stream supplying each mini-disk comes into phase with the lump at a frequency $0.74$ times the binary orbital frequency. Because the binary is relativis","authors_text":"Dennis B. Bowen, Julian H. Krolik, Manuela Campanelli, Miguel Zilhao, Scott C. Noble, Vassilios Mewes","cross_cats":["astro-ph.GA","gr-qc"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-12-14T20:48:06Z","title":"Quasi-Periodic Behavior of Mini-Disks in Binary Black Holes Approaching Merger"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.05451","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:c93d3a0fb6f86e2b55221d6bba12ff46ae4db2588dcf7a82f06b5d0306447d99","target":"record","created_at":"2026-05-18T00:25:07Z","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":"86b175e5d8fa62640c4fa5a48af4927c08796f6d7b590a0eb6be51ab58e708be","cross_cats_sorted":["astro-ph.GA","gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-12-14T20:48:06Z","title_canon_sha256":"332a99519895889a7b94548ad48d52459e30a2ed5f39d20952055254407e42e0"},"schema_version":"1.0","source":{"id":"1712.05451","kind":"arxiv","version":2}},"canonical_sha256":"0e9d5ad99180757ebeb65d2412412764875085a34a8c14f03c86b5c072a845b1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0e9d5ad99180757ebeb65d2412412764875085a34a8c14f03c86b5c072a845b1","first_computed_at":"2026-05-18T00:25:07.243821Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:25:07.243821Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dQgVWtJZ4cpRPIRyZF/cXIpLBgAPttx9QrumUf1hlfv6bCAeKkIKquf76DjwGtzWsLA3psBo+JqOvW9K313sBA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:25:07.244395Z","signed_message":"canonical_sha256_bytes"},"source_id":"1712.05451","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c93d3a0fb6f86e2b55221d6bba12ff46ae4db2588dcf7a82f06b5d0306447d99","sha256:2a64ae3f9275325162bcef48966ac566fad0deef9f21a13af97713b2123415e0"],"state_sha256":"cdb3fcfb066417f3a340327e64d8e513879bcb12e016931101cfb22515a1a7d0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"COXkfP3pjZoVkUZ51Te/o6r/GeMIFHmI12O3ZmHtkr4PlkcbZCXrCGG3v3NLMwpAhyFSePfrQ2wezQdiI3oFBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T01:36:56.379813Z","bundle_sha256":"95ca35f9bfcc130ea06249e559bb65c2a1c419f51034b6a8c37c8861d2806a5d"}}