{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:ZYRD3NFS3VC2TETN6L7RZFYQUN","short_pith_number":"pith:ZYRD3NFS","canonical_record":{"source":{"id":"1004.0913","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2010-04-06T17:56:52Z","cross_cats_sorted":[],"title_canon_sha256":"19ae62e9447e90ce6c591099b7102edc6b74335307ad048d191345ebd228a33c","abstract_canon_sha256":"161717f4d656d33ff7aeacd4de03c9f95aa3865ce6730b9286802e8a2d7fc832"},"schema_version":"1.0"},"canonical_sha256":"ce223db4b2dd45a9926df2ff1c9710a34f76a195007f2a6935f9c2cefbbd4313","source":{"kind":"arxiv","id":"1004.0913","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1004.0913","created_at":"2026-05-18T02:38:44Z"},{"alias_kind":"arxiv_version","alias_value":"1004.0913v2","created_at":"2026-05-18T02:38:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1004.0913","created_at":"2026-05-18T02:38:44Z"},{"alias_kind":"pith_short_12","alias_value":"ZYRD3NFS3VC2","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_16","alias_value":"ZYRD3NFS3VC2TETN","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_8","alias_value":"ZYRD3NFS","created_at":"2026-05-18T12:26:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:ZYRD3NFS3VC2TETN6L7RZFYQUN","target":"record","payload":{"canonical_record":{"source":{"id":"1004.0913","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2010-04-06T17:56:52Z","cross_cats_sorted":[],"title_canon_sha256":"19ae62e9447e90ce6c591099b7102edc6b74335307ad048d191345ebd228a33c","abstract_canon_sha256":"161717f4d656d33ff7aeacd4de03c9f95aa3865ce6730b9286802e8a2d7fc832"},"schema_version":"1.0"},"canonical_sha256":"ce223db4b2dd45a9926df2ff1c9710a34f76a195007f2a6935f9c2cefbbd4313","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:38:44.818754Z","signature_b64":"uyeUs6ZlJ/mPfzQAUtS8MwsIe0fN7HsVVmm+gi1Ff5e7csEr3GBA26bvaooBwHX4eBNtkKkQIpCGx3itxozEAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ce223db4b2dd45a9926df2ff1c9710a34f76a195007f2a6935f9c2cefbbd4313","last_reissued_at":"2026-05-18T02:38:44.818060Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:38:44.818060Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1004.0913","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":"2026-05-18T02:38:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FgEcTZPbURLXLL1zpTShOQN8xKBJe0KbOCpDS2bN+Q+osOzMiPjCADagB1/EmngapE0cTSK5yQRDtdAU/MaHBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T00:52:36.628917Z"},"content_sha256":"6f270c1df1647cdc4293e9dc1d564339b86995a4b32cb66b587a12afe26c6b6e","schema_version":"1.0","event_id":"sha256:6f270c1df1647cdc4293e9dc1d564339b86995a4b32cb66b587a12afe26c6b6e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:ZYRD3NFS3VC2TETN6L7RZFYQUN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the collisions between particles in the vicinity of rotating black holes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"A. A. Grib, Yu. V. Pavlov","submitted_at":"2010-04-06T17:56:52Z","abstract_excerpt":"Scattering of particles in the gravitational field of rotating black holes is considered. It is shown that scattering energy of particles in the centre of mass system can obtain very large values not only for extremal black holes but also for nonextremal ones. Extraction of energy after the collision is investigated. It is shown that due to the Penrose process the energy of the particle escaping the hole at infinity can be large. Contradictions in the problem of getting high energetic particles escaping the black hole are resolved."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1004.0913","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":"2026-05-18T02:38:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XJk200gCFQKNXTtK6ObD0qfoBZmDyBgbzAziuBMm86KoIml9ml2WZ/zZ1fWmymv3cd5uAEsKfqzCwKqTm/gSBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T00:52:36.629641Z"},"content_sha256":"a04803eabaa4de9ab3f00219f483c5cc222ed11baa3da8ccaa00702781d4b715","schema_version":"1.0","event_id":"sha256:a04803eabaa4de9ab3f00219f483c5cc222ed11baa3da8ccaa00702781d4b715"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZYRD3NFS3VC2TETN6L7RZFYQUN/bundle.json","state_url":"https://pith.science/pith/ZYRD3NFS3VC2TETN6L7RZFYQUN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZYRD3NFS3VC2TETN6L7RZFYQUN/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":"2026-06-11T00:52:36Z","links":{"resolver":"https://pith.science/pith/ZYRD3NFS3VC2TETN6L7RZFYQUN","bundle":"https://pith.science/pith/ZYRD3NFS3VC2TETN6L7RZFYQUN/bundle.json","state":"https://pith.science/pith/ZYRD3NFS3VC2TETN6L7RZFYQUN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZYRD3NFS3VC2TETN6L7RZFYQUN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:ZYRD3NFS3VC2TETN6L7RZFYQUN","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":"161717f4d656d33ff7aeacd4de03c9f95aa3865ce6730b9286802e8a2d7fc832","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2010-04-06T17:56:52Z","title_canon_sha256":"19ae62e9447e90ce6c591099b7102edc6b74335307ad048d191345ebd228a33c"},"schema_version":"1.0","source":{"id":"1004.0913","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1004.0913","created_at":"2026-05-18T02:38:44Z"},{"alias_kind":"arxiv_version","alias_value":"1004.0913v2","created_at":"2026-05-18T02:38:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1004.0913","created_at":"2026-05-18T02:38:44Z"},{"alias_kind":"pith_short_12","alias_value":"ZYRD3NFS3VC2","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_16","alias_value":"ZYRD3NFS3VC2TETN","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_8","alias_value":"ZYRD3NFS","created_at":"2026-05-18T12:26:18Z"}],"graph_snapshots":[{"event_id":"sha256:a04803eabaa4de9ab3f00219f483c5cc222ed11baa3da8ccaa00702781d4b715","target":"graph","created_at":"2026-05-18T02:38:44Z","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":"Scattering of particles in the gravitational field of rotating black holes is considered. It is shown that scattering energy of particles in the centre of mass system can obtain very large values not only for extremal black holes but also for nonextremal ones. Extraction of energy after the collision is investigated. It is shown that due to the Penrose process the energy of the particle escaping the hole at infinity can be large. Contradictions in the problem of getting high energetic particles escaping the black hole are resolved.","authors_text":"A. A. Grib, Yu. V. Pavlov","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2010-04-06T17:56:52Z","title":"On the collisions between particles in the vicinity of rotating black holes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1004.0913","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":"sha256:6f270c1df1647cdc4293e9dc1d564339b86995a4b32cb66b587a12afe26c6b6e","target":"record","created_at":"2026-05-18T02:38:44Z","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":"161717f4d656d33ff7aeacd4de03c9f95aa3865ce6730b9286802e8a2d7fc832","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2010-04-06T17:56:52Z","title_canon_sha256":"19ae62e9447e90ce6c591099b7102edc6b74335307ad048d191345ebd228a33c"},"schema_version":"1.0","source":{"id":"1004.0913","kind":"arxiv","version":2}},"canonical_sha256":"ce223db4b2dd45a9926df2ff1c9710a34f76a195007f2a6935f9c2cefbbd4313","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ce223db4b2dd45a9926df2ff1c9710a34f76a195007f2a6935f9c2cefbbd4313","first_computed_at":"2026-05-18T02:38:44.818060Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:38:44.818060Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"uyeUs6ZlJ/mPfzQAUtS8MwsIe0fN7HsVVmm+gi1Ff5e7csEr3GBA26bvaooBwHX4eBNtkKkQIpCGx3itxozEAA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:38:44.818754Z","signed_message":"canonical_sha256_bytes"},"source_id":"1004.0913","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6f270c1df1647cdc4293e9dc1d564339b86995a4b32cb66b587a12afe26c6b6e","sha256:a04803eabaa4de9ab3f00219f483c5cc222ed11baa3da8ccaa00702781d4b715"],"state_sha256":"f684d9fbf735a9ded4c94559e33e30f73016f64ef69f3835e5a5a469917560e1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tw5mUbYRbm9etHEjn1PYwBFJZfrwJVJDXQ7eEi6gHI/Ym0E1jA9LRWxgTK+p3tjQDslTn46gXkNHQlJuehEuCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T00:52:36.634150Z","bundle_sha256":"8f19c7fb20781deeeefa4cb62a77d03a9b745ec35b13d705051854c34a94e545"}}