{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:KVOPJKF467XLRL5WH45VWFPU6P","short_pith_number":"pith:KVOPJKF4","canonical_record":{"source":{"id":"1009.2630","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-09-14T11:12:49Z","cross_cats_sorted":[],"title_canon_sha256":"bfb2ee0a60628e6c487716b36b19a6871e728386f611ee8e73fe19edf0ccc31f","abstract_canon_sha256":"3ec101e562f3af862df6e054a9d36264c4fc4426894475a49f7c750287520400"},"schema_version":"1.0"},"canonical_sha256":"555cf4a8bcf7eeb8afb63f3b5b15f4f3cb4deb4ede8e4922bd96541e842cd46b","source":{"kind":"arxiv","id":"1009.2630","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1009.2630","created_at":"2026-05-18T04:13:56Z"},{"alias_kind":"arxiv_version","alias_value":"1009.2630v1","created_at":"2026-05-18T04:13:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1009.2630","created_at":"2026-05-18T04:13:56Z"},{"alias_kind":"pith_short_12","alias_value":"KVOPJKF467XL","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_16","alias_value":"KVOPJKF467XLRL5W","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_8","alias_value":"KVOPJKF4","created_at":"2026-05-18T12:26:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:KVOPJKF467XLRL5WH45VWFPU6P","target":"record","payload":{"canonical_record":{"source":{"id":"1009.2630","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-09-14T11:12:49Z","cross_cats_sorted":[],"title_canon_sha256":"bfb2ee0a60628e6c487716b36b19a6871e728386f611ee8e73fe19edf0ccc31f","abstract_canon_sha256":"3ec101e562f3af862df6e054a9d36264c4fc4426894475a49f7c750287520400"},"schema_version":"1.0"},"canonical_sha256":"555cf4a8bcf7eeb8afb63f3b5b15f4f3cb4deb4ede8e4922bd96541e842cd46b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:13:56.894795Z","signature_b64":"hJVsElO2s2+O0n+2m69w3rXjE19/HPhVbQXZbSaPdTK6ClxydOJRdPkz3Mwg6BDyLsGckuXm3ABqujW2dgg6DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"555cf4a8bcf7eeb8afb63f3b5b15f4f3cb4deb4ede8e4922bd96541e842cd46b","last_reissued_at":"2026-05-18T04:13:56.894235Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:13:56.894235Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1009.2630","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":"2026-05-18T04:13:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fmnTYmSGYDRFLo1YZkncOyc85iEc4HbBaQ4vCOarmM13neSxOOLy/N9r38VINgRs3LBtC/VTJfgynz0PTonKCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T15:56:36.202949Z"},"content_sha256":"74781dfb9ae2593522da0785c5e92efb15268fd808df51e686c15dc4be547bc8","schema_version":"1.0","event_id":"sha256:74781dfb9ae2593522da0785c5e92efb15268fd808df51e686c15dc4be547bc8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:KVOPJKF467XLRL5WH45VWFPU6P","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Galactic center at very high-energies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"D. I. Jones, D. Malyshev, F.A. Aharonian, M. Chernyakova, R. M. Crocker","submitted_at":"2010-09-14T11:12:49Z","abstract_excerpt":"Employing data collected during the first 25 months' observations by the Fermi-LAT, we describe and subsequently seek to model the very high energy (>300 MeV) emission from the central few parsecs of our Galaxy. We analyze the morphological, spectral and temporal characteristics of the central source, 1FGL J1745.6-2900. Remarkably, the data show a clear, statistically significant signal at energies above 10 GeV, where the Fermi-LAT has an excellent angular resolution comparable to the angular resolution of HESS at TeV energies, which makes meaningful the joint analysis of the Fermi and HESS da"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1009.2630","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":"2026-05-18T04:13:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zwgsXi9YsbRPrM+uleX3S46h12fbxSbnZljk3X71aOTxuqMfeE3I2SCXeL6UTw96cgUeD3NLh3YXmfMGGbwLCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T15:56:36.203563Z"},"content_sha256":"7caf692ab45c038dbf1e8f3ff042c1fecd48d5cfc2f6595c5b5762afcf1b12a6","schema_version":"1.0","event_id":"sha256:7caf692ab45c038dbf1e8f3ff042c1fecd48d5cfc2f6595c5b5762afcf1b12a6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KVOPJKF467XLRL5WH45VWFPU6P/bundle.json","state_url":"https://pith.science/pith/KVOPJKF467XLRL5WH45VWFPU6P/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KVOPJKF467XLRL5WH45VWFPU6P/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":"2026-08-17T15:56:36Z","links":{"resolver":"https://pith.science/pith/KVOPJKF467XLRL5WH45VWFPU6P","bundle":"https://pith.science/pith/KVOPJKF467XLRL5WH45VWFPU6P/bundle.json","state":"https://pith.science/pith/KVOPJKF467XLRL5WH45VWFPU6P/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KVOPJKF467XLRL5WH45VWFPU6P/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:KVOPJKF467XLRL5WH45VWFPU6P","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":"3ec101e562f3af862df6e054a9d36264c4fc4426894475a49f7c750287520400","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-09-14T11:12:49Z","title_canon_sha256":"bfb2ee0a60628e6c487716b36b19a6871e728386f611ee8e73fe19edf0ccc31f"},"schema_version":"1.0","source":{"id":"1009.2630","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1009.2630","created_at":"2026-05-18T04:13:56Z"},{"alias_kind":"arxiv_version","alias_value":"1009.2630v1","created_at":"2026-05-18T04:13:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1009.2630","created_at":"2026-05-18T04:13:56Z"},{"alias_kind":"pith_short_12","alias_value":"KVOPJKF467XL","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_16","alias_value":"KVOPJKF467XLRL5W","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_8","alias_value":"KVOPJKF4","created_at":"2026-05-18T12:26:09Z"}],"graph_snapshots":[{"event_id":"sha256:7caf692ab45c038dbf1e8f3ff042c1fecd48d5cfc2f6595c5b5762afcf1b12a6","target":"graph","created_at":"2026-05-18T04:13:56Z","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":"Employing data collected during the first 25 months' observations by the Fermi-LAT, we describe and subsequently seek to model the very high energy (>300 MeV) emission from the central few parsecs of our Galaxy. We analyze the morphological, spectral and temporal characteristics of the central source, 1FGL J1745.6-2900. Remarkably, the data show a clear, statistically significant signal at energies above 10 GeV, where the Fermi-LAT has an excellent angular resolution comparable to the angular resolution of HESS at TeV energies, which makes meaningful the joint analysis of the Fermi and HESS da","authors_text":"D. I. Jones, D. Malyshev, F.A. Aharonian, M. Chernyakova, R. M. Crocker","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-09-14T11:12:49Z","title":"Galactic center at very high-energies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1009.2630","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":"sha256:74781dfb9ae2593522da0785c5e92efb15268fd808df51e686c15dc4be547bc8","target":"record","created_at":"2026-05-18T04:13:56Z","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":"3ec101e562f3af862df6e054a9d36264c4fc4426894475a49f7c750287520400","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-09-14T11:12:49Z","title_canon_sha256":"bfb2ee0a60628e6c487716b36b19a6871e728386f611ee8e73fe19edf0ccc31f"},"schema_version":"1.0","source":{"id":"1009.2630","kind":"arxiv","version":1}},"canonical_sha256":"555cf4a8bcf7eeb8afb63f3b5b15f4f3cb4deb4ede8e4922bd96541e842cd46b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"555cf4a8bcf7eeb8afb63f3b5b15f4f3cb4deb4ede8e4922bd96541e842cd46b","first_computed_at":"2026-05-18T04:13:56.894235Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:13:56.894235Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hJVsElO2s2+O0n+2m69w3rXjE19/HPhVbQXZbSaPdTK6ClxydOJRdPkz3Mwg6BDyLsGckuXm3ABqujW2dgg6DQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:13:56.894795Z","signed_message":"canonical_sha256_bytes"},"source_id":"1009.2630","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:74781dfb9ae2593522da0785c5e92efb15268fd808df51e686c15dc4be547bc8","sha256:7caf692ab45c038dbf1e8f3ff042c1fecd48d5cfc2f6595c5b5762afcf1b12a6"],"state_sha256":"bfb3014b3f29342f737ef48ab15c3d800414c36a35eb4b89aa08bf1cd5567e42"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kuUWj9AFVOx8F4aBJ7NIawuVubs37yOxCoZdC4rQLHPHLkxPLadiD/i7XimjMJMkM8kV+m1YBvpNUm/wz7/cBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-17T15:56:36.209594Z","bundle_sha256":"f4b425937d9132c0c4acee6d54968c66e1cf0f220e420b3ffca5b6a694f43fe7"}}