{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:SUULFYXP7CTOMWKNC7XOT2LUAX","short_pith_number":"pith:SUULFYXP","canonical_record":{"source":{"id":"1503.08553","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-03-30T06:35:22Z","cross_cats_sorted":[],"title_canon_sha256":"0ca73f6d21c5ae796ee1044cc0210ff9456c30b2809a78a61dac379264244158","abstract_canon_sha256":"08b2ee5ff948b4b101c90cc57ff89ccbe33872355a90cf77d4ed222853a558b8"},"schema_version":"1.0"},"canonical_sha256":"9528b2e2eff8a6e6594d17eee9e97405e49f23790d889ff419a75db0196f373e","source":{"kind":"arxiv","id":"1503.08553","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.08553","created_at":"2026-05-18T01:55:32Z"},{"alias_kind":"arxiv_version","alias_value":"1503.08553v2","created_at":"2026-05-18T01:55:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.08553","created_at":"2026-05-18T01:55:32Z"},{"alias_kind":"pith_short_12","alias_value":"SUULFYXP7CTO","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_16","alias_value":"SUULFYXP7CTOMWKN","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_8","alias_value":"SUULFYXP","created_at":"2026-05-18T12:29:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:SUULFYXP7CTOMWKNC7XOT2LUAX","target":"record","payload":{"canonical_record":{"source":{"id":"1503.08553","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-03-30T06:35:22Z","cross_cats_sorted":[],"title_canon_sha256":"0ca73f6d21c5ae796ee1044cc0210ff9456c30b2809a78a61dac379264244158","abstract_canon_sha256":"08b2ee5ff948b4b101c90cc57ff89ccbe33872355a90cf77d4ed222853a558b8"},"schema_version":"1.0"},"canonical_sha256":"9528b2e2eff8a6e6594d17eee9e97405e49f23790d889ff419a75db0196f373e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:55:32.290003Z","signature_b64":"WTmNn66s5H56o5I9vlDIGMhz8KS/+tQWxyuz7QiTvRU0L4qDtfqWD0/ox9SkjFZS4R5QbZRAZGN+SOmqynwTAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9528b2e2eff8a6e6594d17eee9e97405e49f23790d889ff419a75db0196f373e","last_reissued_at":"2026-05-18T01:55:32.289482Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:55:32.289482Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1503.08553","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":"2026-05-18T01:55:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GaUrKwZ8p2iz58BgDPyjnMx2fiE5o5vgH+G0ePVnnQ9bd+Fe3ACUvGlSH0ZUEy9qM8/K+iJjqMrnNvn6Hca8BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T20:59:42.158322Z"},"content_sha256":"bca5097e24802117e2434404d71ead91b80bd4ec9e073a9b7adfb429ade38436","schema_version":"1.0","event_id":"sha256:bca5097e24802117e2434404d71ead91b80bd4ec9e073a9b7adfb429ade38436"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:SUULFYXP7CTOMWKNC7XOT2LUAX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Rotating Hayward's regular black hole as particle accelerator","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Muhammed Amir, Sushant G. Ghosh","submitted_at":"2015-03-30T06:35:22Z","abstract_excerpt":"Recently, Ban\\~{a}dos, Silk and West (BSW) demonstrated that the extremal Kerr black hole can act as a particle accelerator with arbitrarily high center-of-mass energy ($E_{CM}$) when the collision takes place near the horizon. The rotating Hayward's regular black hole, apart from Mass ($M$) and angular momentum ($a$), has a new parameter $g$ ($g>0$ is a constant) that provides a deviation from the Kerr black hole. We demonstrate that for each $g$, with $M=1$, there exist critical $a_{E}$ and $r_{H}^{E}$, which corresponds to a regular extremal black hole with degenerate horizon, and $a_{E}$ d"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.08553","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":"2026-05-18T01:55:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ep5+YfDNdO9KhZQD9tH62vlkdhV0tnJaPDMjyuuIPHtQkB2Art/cgQsdoSj+qJpMGHUAHV7ZtdbPPvSwclxCBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T20:59:42.158709Z"},"content_sha256":"f210ba90e7d8dc285dccb63862d0d45c4f4c45a8e802bd7f9165098c984a626a","schema_version":"1.0","event_id":"sha256:f210ba90e7d8dc285dccb63862d0d45c4f4c45a8e802bd7f9165098c984a626a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SUULFYXP7CTOMWKNC7XOT2LUAX/bundle.json","state_url":"https://pith.science/pith/SUULFYXP7CTOMWKNC7XOT2LUAX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SUULFYXP7CTOMWKNC7XOT2LUAX/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":"2026-05-24T20:59:42Z","links":{"resolver":"https://pith.science/pith/SUULFYXP7CTOMWKNC7XOT2LUAX","bundle":"https://pith.science/pith/SUULFYXP7CTOMWKNC7XOT2LUAX/bundle.json","state":"https://pith.science/pith/SUULFYXP7CTOMWKNC7XOT2LUAX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SUULFYXP7CTOMWKNC7XOT2LUAX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:SUULFYXP7CTOMWKNC7XOT2LUAX","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":"08b2ee5ff948b4b101c90cc57ff89ccbe33872355a90cf77d4ed222853a558b8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-03-30T06:35:22Z","title_canon_sha256":"0ca73f6d21c5ae796ee1044cc0210ff9456c30b2809a78a61dac379264244158"},"schema_version":"1.0","source":{"id":"1503.08553","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.08553","created_at":"2026-05-18T01:55:32Z"},{"alias_kind":"arxiv_version","alias_value":"1503.08553v2","created_at":"2026-05-18T01:55:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.08553","created_at":"2026-05-18T01:55:32Z"},{"alias_kind":"pith_short_12","alias_value":"SUULFYXP7CTO","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_16","alias_value":"SUULFYXP7CTOMWKN","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_8","alias_value":"SUULFYXP","created_at":"2026-05-18T12:29:42Z"}],"graph_snapshots":[{"event_id":"sha256:f210ba90e7d8dc285dccb63862d0d45c4f4c45a8e802bd7f9165098c984a626a","target":"graph","created_at":"2026-05-18T01:55:32Z","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":"Recently, Ban\\~{a}dos, Silk and West (BSW) demonstrated that the extremal Kerr black hole can act as a particle accelerator with arbitrarily high center-of-mass energy ($E_{CM}$) when the collision takes place near the horizon. The rotating Hayward's regular black hole, apart from Mass ($M$) and angular momentum ($a$), has a new parameter $g$ ($g>0$ is a constant) that provides a deviation from the Kerr black hole. We demonstrate that for each $g$, with $M=1$, there exist critical $a_{E}$ and $r_{H}^{E}$, which corresponds to a regular extremal black hole with degenerate horizon, and $a_{E}$ d","authors_text":"Muhammed Amir, Sushant G. Ghosh","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-03-30T06:35:22Z","title":"Rotating Hayward's regular black hole as particle accelerator"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.08553","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:bca5097e24802117e2434404d71ead91b80bd4ec9e073a9b7adfb429ade38436","target":"record","created_at":"2026-05-18T01:55:32Z","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":"08b2ee5ff948b4b101c90cc57ff89ccbe33872355a90cf77d4ed222853a558b8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-03-30T06:35:22Z","title_canon_sha256":"0ca73f6d21c5ae796ee1044cc0210ff9456c30b2809a78a61dac379264244158"},"schema_version":"1.0","source":{"id":"1503.08553","kind":"arxiv","version":2}},"canonical_sha256":"9528b2e2eff8a6e6594d17eee9e97405e49f23790d889ff419a75db0196f373e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9528b2e2eff8a6e6594d17eee9e97405e49f23790d889ff419a75db0196f373e","first_computed_at":"2026-05-18T01:55:32.289482Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:55:32.289482Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WTmNn66s5H56o5I9vlDIGMhz8KS/+tQWxyuz7QiTvRU0L4qDtfqWD0/ox9SkjFZS4R5QbZRAZGN+SOmqynwTAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:55:32.290003Z","signed_message":"canonical_sha256_bytes"},"source_id":"1503.08553","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bca5097e24802117e2434404d71ead91b80bd4ec9e073a9b7adfb429ade38436","sha256:f210ba90e7d8dc285dccb63862d0d45c4f4c45a8e802bd7f9165098c984a626a"],"state_sha256":"a26352b31b5cdfac11c7d613a143830eb2d0c0ea4587b5f736b00a44af749f8f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3QOwxCmXNurjkB5dtqPzOO9Qa/78CCu0yIKiMApozYckhssc0T/ULsHuStFt/OjMvoyHE2kp3viO/fiwflGmBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-24T20:59:42.160889Z","bundle_sha256":"e380473bc8205cc3bc80844b4b2952e48051966d2790dae08d52da1cda046b69"}}