{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:HDTGI4NKTXZWRSGTKNFPT3FUBS","short_pith_number":"pith:HDTGI4NK","canonical_record":{"source":{"id":"1102.2030","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2011-02-10T03:46:55Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"be1f7b30dd1c565673c35e07075a6c7a83bd6cf11ad6460ffb150e8840512d57","abstract_canon_sha256":"2fe9d51576131557dcb0882478d97e2a325974f55d2f124b11bc0123403a61b5"},"schema_version":"1.0"},"canonical_sha256":"38e66471aa9df368c8d3534af9ecb40cb990c0b807b3a01d7c568e23203c9715","source":{"kind":"arxiv","id":"1102.2030","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1102.2030","created_at":"2026-05-18T04:26:22Z"},{"alias_kind":"arxiv_version","alias_value":"1102.2030v2","created_at":"2026-05-18T04:26:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1102.2030","created_at":"2026-05-18T04:26:22Z"},{"alias_kind":"pith_short_12","alias_value":"HDTGI4NKTXZW","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_16","alias_value":"HDTGI4NKTXZWRSGT","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_8","alias_value":"HDTGI4NK","created_at":"2026-05-18T12:26:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:HDTGI4NKTXZWRSGTKNFPT3FUBS","target":"record","payload":{"canonical_record":{"source":{"id":"1102.2030","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2011-02-10T03:46:55Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"be1f7b30dd1c565673c35e07075a6c7a83bd6cf11ad6460ffb150e8840512d57","abstract_canon_sha256":"2fe9d51576131557dcb0882478d97e2a325974f55d2f124b11bc0123403a61b5"},"schema_version":"1.0"},"canonical_sha256":"38e66471aa9df368c8d3534af9ecb40cb990c0b807b3a01d7c568e23203c9715","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:26:22.596366Z","signature_b64":"qnIVt0aHZlLaChPSH31svqGaZkVblvZHuEvgZKwuAT3NA8TQptBVCX8s6/bw19zpHAoQoR77fgwWeXhmAUWSCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"38e66471aa9df368c8d3534af9ecb40cb990c0b807b3a01d7c568e23203c9715","last_reissued_at":"2026-05-18T04:26:22.596011Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:26:22.596011Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1102.2030","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":"2026-05-18T04:26:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vgQPjSHkXaKXmVSr9ibYz3KKNZztcnLKLUQYrQ+FxCQhBcjyEKBaaf5NtVS1q1AQy7Bmd3lvlm1R5gbNKI2yBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T02:50:40.746544Z"},"content_sha256":"541791915e06317b455a4713ec7795b6b42daa9bfbb0282d08f5e22cfc193097","schema_version":"1.0","event_id":"sha256:541791915e06317b455a4713ec7795b6b42daa9bfbb0282d08f5e22cfc193097"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:HDTGI4NKTXZWRSGTKNFPT3FUBS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Naked Singularities as Particle Accelerators II","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"gr-qc","authors_text":"Daniele Malafarina, Mandar Patil, Pankaj S. Joshi","submitted_at":"2011-02-10T03:46:55Z","abstract_excerpt":"We generalize here our earlier results on particle acceleration by naked singularities. We showed recently[1] that the naked singularities that form due to gravitational collapse of massive stars provide a suitable environment where particles could get accelerated and collide at arbitrarily high center of mass energies. However, we focussed there only on the spherically symmetric gravitational collapse models, which were also assumed to be self-similar. In this paper, we broaden and generalize the result to all gravitational collapse models leading to the formation of a naked singularity as fi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1102.2030","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":"2026-05-18T04:26:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"a7ji8z0p92IcIAjeMEQQfymXQH0tI0IBBs56EES3CCGiHncM4wpbLD9wEr9Zcpbe6HmbiyIsFUsmvQHMY0A5Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T02:50:40.746898Z"},"content_sha256":"9698ffc0487cd398dbe72d872f66d1a8e7899509b03dde11c8e2638062c101f6","schema_version":"1.0","event_id":"sha256:9698ffc0487cd398dbe72d872f66d1a8e7899509b03dde11c8e2638062c101f6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HDTGI4NKTXZWRSGTKNFPT3FUBS/bundle.json","state_url":"https://pith.science/pith/HDTGI4NKTXZWRSGTKNFPT3FUBS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HDTGI4NKTXZWRSGTKNFPT3FUBS/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":"2026-05-27T02:50:40Z","links":{"resolver":"https://pith.science/pith/HDTGI4NKTXZWRSGTKNFPT3FUBS","bundle":"https://pith.science/pith/HDTGI4NKTXZWRSGTKNFPT3FUBS/bundle.json","state":"https://pith.science/pith/HDTGI4NKTXZWRSGTKNFPT3FUBS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HDTGI4NKTXZWRSGTKNFPT3FUBS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:HDTGI4NKTXZWRSGTKNFPT3FUBS","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":"2fe9d51576131557dcb0882478d97e2a325974f55d2f124b11bc0123403a61b5","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2011-02-10T03:46:55Z","title_canon_sha256":"be1f7b30dd1c565673c35e07075a6c7a83bd6cf11ad6460ffb150e8840512d57"},"schema_version":"1.0","source":{"id":"1102.2030","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1102.2030","created_at":"2026-05-18T04:26:22Z"},{"alias_kind":"arxiv_version","alias_value":"1102.2030v2","created_at":"2026-05-18T04:26:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1102.2030","created_at":"2026-05-18T04:26:22Z"},{"alias_kind":"pith_short_12","alias_value":"HDTGI4NKTXZW","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_16","alias_value":"HDTGI4NKTXZWRSGT","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_8","alias_value":"HDTGI4NK","created_at":"2026-05-18T12:26:30Z"}],"graph_snapshots":[{"event_id":"sha256:9698ffc0487cd398dbe72d872f66d1a8e7899509b03dde11c8e2638062c101f6","target":"graph","created_at":"2026-05-18T04:26:22Z","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 generalize here our earlier results on particle acceleration by naked singularities. We showed recently[1] that the naked singularities that form due to gravitational collapse of massive stars provide a suitable environment where particles could get accelerated and collide at arbitrarily high center of mass energies. However, we focussed there only on the spherically symmetric gravitational collapse models, which were also assumed to be self-similar. In this paper, we broaden and generalize the result to all gravitational collapse models leading to the formation of a naked singularity as fi","authors_text":"Daniele Malafarina, Mandar Patil, Pankaj S. Joshi","cross_cats":["astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2011-02-10T03:46:55Z","title":"Naked Singularities as Particle Accelerators II"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1102.2030","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":"sha256:541791915e06317b455a4713ec7795b6b42daa9bfbb0282d08f5e22cfc193097","target":"record","created_at":"2026-05-18T04:26:22Z","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":"2fe9d51576131557dcb0882478d97e2a325974f55d2f124b11bc0123403a61b5","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2011-02-10T03:46:55Z","title_canon_sha256":"be1f7b30dd1c565673c35e07075a6c7a83bd6cf11ad6460ffb150e8840512d57"},"schema_version":"1.0","source":{"id":"1102.2030","kind":"arxiv","version":2}},"canonical_sha256":"38e66471aa9df368c8d3534af9ecb40cb990c0b807b3a01d7c568e23203c9715","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"38e66471aa9df368c8d3534af9ecb40cb990c0b807b3a01d7c568e23203c9715","first_computed_at":"2026-05-18T04:26:22.596011Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:26:22.596011Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qnIVt0aHZlLaChPSH31svqGaZkVblvZHuEvgZKwuAT3NA8TQptBVCX8s6/bw19zpHAoQoR77fgwWeXhmAUWSCw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:26:22.596366Z","signed_message":"canonical_sha256_bytes"},"source_id":"1102.2030","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:541791915e06317b455a4713ec7795b6b42daa9bfbb0282d08f5e22cfc193097","sha256:9698ffc0487cd398dbe72d872f66d1a8e7899509b03dde11c8e2638062c101f6"],"state_sha256":"ccab5eba0826fe71957d44356ac04a40dde8c77069ce002ea2d53915908cec02"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"++Lb1AJ8BLfflp2Q63XLsLwwzcbn6WHLj5JG5vXHZheZCNm+Y5BvStCXisQS57kFEfKIqufdGGBiJE4KXnLmCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T02:50:40.749246Z","bundle_sha256":"2d034e08a2b3206ef39030424294a6d5d2b1c430ebcf5a244768e01c1e515b58"}}