{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:P7AD4U5IQNVMAM65CVREV55QP6","short_pith_number":"pith:P7AD4U5I","canonical_record":{"source":{"id":"1501.00015","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-12-30T21:01:11Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"17f48c5a567584b92e7913a8f5d6deffc0f33822c1d784a465c03042a6daac44","abstract_canon_sha256":"f2e92957c25581f44a6e37649107d293c48774f3b349d356c46bae7fd37b8180"},"schema_version":"1.0"},"canonical_sha256":"7fc03e53a8836ac033dd15624af7b07f9dbc47d092debaa7822b0121ea02ef66","source":{"kind":"arxiv","id":"1501.00015","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.00015","created_at":"2026-05-18T01:41:15Z"},{"alias_kind":"arxiv_version","alias_value":"1501.00015v1","created_at":"2026-05-18T01:41:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.00015","created_at":"2026-05-18T01:41:15Z"},{"alias_kind":"pith_short_12","alias_value":"P7AD4U5IQNVM","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_16","alias_value":"P7AD4U5IQNVMAM65","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_8","alias_value":"P7AD4U5I","created_at":"2026-05-18T12:28:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:P7AD4U5IQNVMAM65CVREV55QP6","target":"record","payload":{"canonical_record":{"source":{"id":"1501.00015","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-12-30T21:01:11Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"17f48c5a567584b92e7913a8f5d6deffc0f33822c1d784a465c03042a6daac44","abstract_canon_sha256":"f2e92957c25581f44a6e37649107d293c48774f3b349d356c46bae7fd37b8180"},"schema_version":"1.0"},"canonical_sha256":"7fc03e53a8836ac033dd15624af7b07f9dbc47d092debaa7822b0121ea02ef66","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:41:15.135872Z","signature_b64":"jWRufT6cyYn5YpNcxPLx6zgmVG19pjDH3z9pRbP71NYptsF/qRaNxHsPV/WVvS+TxXAk9x+tmJLGMnUqmVRyCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7fc03e53a8836ac033dd15624af7b07f9dbc47d092debaa7822b0121ea02ef66","last_reissued_at":"2026-05-18T01:41:15.135332Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:41:15.135332Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1501.00015","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:41:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"l6AS2nxFhB6rkqXw+w7M3BS3vCLd92M1Ce4cumFKyuk0rXaLrmBOqfgw0ce/56s8R/nvqHCvl1Lc5kAAiZetBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T02:09:28.859074Z"},"content_sha256":"380affb69860cfcb89078d6509bd634a280a1066413e1cfff189d39fa716fab9","schema_version":"1.0","event_id":"sha256:380affb69860cfcb89078d6509bd634a280a1066413e1cfff189d39fa716fab9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:P7AD4U5IQNVMAM65CVREV55QP6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Circular geodesics of Bardeen and Ayon-Beato-Garcia regular black-hole and no-horizon spacetimes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"astro-ph.HE","authors_text":"Jan Schee, Zdenek Stuchlik","submitted_at":"2014-12-30T21:01:11Z","abstract_excerpt":"We study circular geodesic motion of test particles and photons in the Bardeen and Ayon-Beato-Garcia (ABG) geometry describing spherically symmetric regular black-hole or no-horizon spacetimes. While the Bardeen geometry is not exact solution of Einstein's equations, the ABG spacetime is related to self-gravitating charged sources governed by Einstein's gravity and non-linear electrodynamics. They both are characterized by the mass parameter $m$ and the charge parameter $g$. We demonstrate that in similarity to the Reissner-Nordstrom (RN) naked singularity spacetimes an antigravity static sphe"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.00015","kind":"arxiv","version":1},"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":"2026-05-18T01:41:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xWr7S/yVaccAcmE/HEscueqfNMwVGQe5W5AN/e9EsgcPZXGTzMdsJU/IrGYBYdX+qAtvQJjnPK4xc12D8947Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T02:09:28.859730Z"},"content_sha256":"da38ea05a7bd7cf938567ae259c18fb1e603e705733ab886fb4dfe02013c67d6","schema_version":"1.0","event_id":"sha256:da38ea05a7bd7cf938567ae259c18fb1e603e705733ab886fb4dfe02013c67d6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/P7AD4U5IQNVMAM65CVREV55QP6/bundle.json","state_url":"https://pith.science/pith/P7AD4U5IQNVMAM65CVREV55QP6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/P7AD4U5IQNVMAM65CVREV55QP6/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":"2026-05-24T02:09:28Z","links":{"resolver":"https://pith.science/pith/P7AD4U5IQNVMAM65CVREV55QP6","bundle":"https://pith.science/pith/P7AD4U5IQNVMAM65CVREV55QP6/bundle.json","state":"https://pith.science/pith/P7AD4U5IQNVMAM65CVREV55QP6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/P7AD4U5IQNVMAM65CVREV55QP6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:P7AD4U5IQNVMAM65CVREV55QP6","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":"f2e92957c25581f44a6e37649107d293c48774f3b349d356c46bae7fd37b8180","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-12-30T21:01:11Z","title_canon_sha256":"17f48c5a567584b92e7913a8f5d6deffc0f33822c1d784a465c03042a6daac44"},"schema_version":"1.0","source":{"id":"1501.00015","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.00015","created_at":"2026-05-18T01:41:15Z"},{"alias_kind":"arxiv_version","alias_value":"1501.00015v1","created_at":"2026-05-18T01:41:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.00015","created_at":"2026-05-18T01:41:15Z"},{"alias_kind":"pith_short_12","alias_value":"P7AD4U5IQNVM","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_16","alias_value":"P7AD4U5IQNVMAM65","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_8","alias_value":"P7AD4U5I","created_at":"2026-05-18T12:28:43Z"}],"graph_snapshots":[{"event_id":"sha256:da38ea05a7bd7cf938567ae259c18fb1e603e705733ab886fb4dfe02013c67d6","target":"graph","created_at":"2026-05-18T01:41:15Z","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 study circular geodesic motion of test particles and photons in the Bardeen and Ayon-Beato-Garcia (ABG) geometry describing spherically symmetric regular black-hole or no-horizon spacetimes. While the Bardeen geometry is not exact solution of Einstein's equations, the ABG spacetime is related to self-gravitating charged sources governed by Einstein's gravity and non-linear electrodynamics. They both are characterized by the mass parameter $m$ and the charge parameter $g$. We demonstrate that in similarity to the Reissner-Nordstrom (RN) naked singularity spacetimes an antigravity static sphe","authors_text":"Jan Schee, Zdenek Stuchlik","cross_cats":["gr-qc"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-12-30T21:01:11Z","title":"Circular geodesics of Bardeen and Ayon-Beato-Garcia regular black-hole and no-horizon spacetimes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.00015","kind":"arxiv","version":1},"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":"sha256:380affb69860cfcb89078d6509bd634a280a1066413e1cfff189d39fa716fab9","target":"record","created_at":"2026-05-18T01:41:15Z","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":"f2e92957c25581f44a6e37649107d293c48774f3b349d356c46bae7fd37b8180","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-12-30T21:01:11Z","title_canon_sha256":"17f48c5a567584b92e7913a8f5d6deffc0f33822c1d784a465c03042a6daac44"},"schema_version":"1.0","source":{"id":"1501.00015","kind":"arxiv","version":1}},"canonical_sha256":"7fc03e53a8836ac033dd15624af7b07f9dbc47d092debaa7822b0121ea02ef66","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7fc03e53a8836ac033dd15624af7b07f9dbc47d092debaa7822b0121ea02ef66","first_computed_at":"2026-05-18T01:41:15.135332Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:41:15.135332Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jWRufT6cyYn5YpNcxPLx6zgmVG19pjDH3z9pRbP71NYptsF/qRaNxHsPV/WVvS+TxXAk9x+tmJLGMnUqmVRyCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:41:15.135872Z","signed_message":"canonical_sha256_bytes"},"source_id":"1501.00015","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:380affb69860cfcb89078d6509bd634a280a1066413e1cfff189d39fa716fab9","sha256:da38ea05a7bd7cf938567ae259c18fb1e603e705733ab886fb4dfe02013c67d6"],"state_sha256":"e3c4dc19f98a54e8563035179327f25e5b31ad41f10b934e39f5474107c78852"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VpsROA+SqIcrCJSQEj5hQJWtmLP6lJoLKYiY36yPCHnxbSRVEc0omtaSoNkOb7d+N8Tgx5MI3qVM9ejprNdmBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-24T02:09:28.864586Z","bundle_sha256":"7cfca955758bea9060f04f12e4285b8d6191864efff078ceb6a0a25053633af4"}}