{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:5TZUEEQIC26PJNCNAUFNBDAW5H","short_pith_number":"pith:5TZUEEQI","canonical_record":{"source":{"id":"1012.0003","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-11-30T21:00:05Z","cross_cats_sorted":[],"title_canon_sha256":"45104831ee830fe33b06fb6599d9b9565b50c93b9157be0a8ce262ebab05d20b","abstract_canon_sha256":"c49e6857710745763b9d29285a8f605bddea1830a061d92a14feb309b712ade9"},"schema_version":"1.0"},"canonical_sha256":"ecf342120816bcf4b44d050ad08c16e9f054d375e15768bd8fc2c817814d60eb","source":{"kind":"arxiv","id":"1012.0003","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1012.0003","created_at":"2026-05-18T02:04:37Z"},{"alias_kind":"arxiv_version","alias_value":"1012.0003v2","created_at":"2026-05-18T02:04:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1012.0003","created_at":"2026-05-18T02:04:37Z"},{"alias_kind":"pith_short_12","alias_value":"5TZUEEQIC26P","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_16","alias_value":"5TZUEEQIC26PJNCN","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_8","alias_value":"5TZUEEQI","created_at":"2026-05-18T12:26:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:5TZUEEQIC26PJNCNAUFNBDAW5H","target":"record","payload":{"canonical_record":{"source":{"id":"1012.0003","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-11-30T21:00:05Z","cross_cats_sorted":[],"title_canon_sha256":"45104831ee830fe33b06fb6599d9b9565b50c93b9157be0a8ce262ebab05d20b","abstract_canon_sha256":"c49e6857710745763b9d29285a8f605bddea1830a061d92a14feb309b712ade9"},"schema_version":"1.0"},"canonical_sha256":"ecf342120816bcf4b44d050ad08c16e9f054d375e15768bd8fc2c817814d60eb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:04:37.040963Z","signature_b64":"hghRQ5QE1TNxtkMqBqrUH+sB/fAaAV3Klv2u9GLYgO9+bLv34v1Duvtx7jUBUmvux8iQpNh8HcH2siv+WAf5DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ecf342120816bcf4b44d050ad08c16e9f054d375e15768bd8fc2c817814d60eb","last_reissued_at":"2026-05-18T02:04:37.040253Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:04:37.040253Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1012.0003","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":"2026-05-18T02:04:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zxDrSyTU9TcSKWqZI+JncxbMVAM+3rOZVkt2KNOaTy37jKjekQ6GkRK3JvSCRPva9At/2D9ZFhIDdL6uvEXkAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T05:26:10.708047Z"},"content_sha256":"72ecb0c7106c5fba067a293e1805e443ea2c6d8bcc2075ca59a678c00a50aaf2","schema_version":"1.0","event_id":"sha256:72ecb0c7106c5fba067a293e1805e443ea2c6d8bcc2075ca59a678c00a50aaf2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:5TZUEEQIC26PJNCNAUFNBDAW5H","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Lack of Diffuse, Nonthermal Hard X-ray Emission in the Coma Cluster: The Swift BAT's Eye View","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"(2) U. Virginia, (3) MPE, 4), (4) U. Maryland Baltimore County, (5) U. Maryland College Park, (6) NRL), Alexis Finoguenov (3, Craig L. Sarazin (2), Daniel R. Wik (1), Jack Tueller (1), Richard F. Mushotzky (5), Takashi Okajima (1), Tracy E. Clarke (6) ((1) NASA GSFC, Wayne H. Baumgartner (1)","submitted_at":"2010-11-30T21:00:05Z","abstract_excerpt":"The Coma cluster of galaxies hosts the brightest radio halo known and has therefore been the target of numerous searches for associated inverse Compton (IC) emission, particularly at hard X-ray energies where the IC signal must eventually dominate over thermal emission. The most recent search with the Suzaku Hard X-ray Detector (HXD) failed to confirm previous IC detections with RXTE and BeppoSAX, instead setting an upper limit 2.5 times below their nonthermal flux. However, this discrepancy can be resolved if the IC emission is very extended, beyond the scale of the cluster radio halo. Using "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1012.0003","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":"2026-05-18T02:04:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rkLicgTxJvVJWPOeI9lq0bv4zBSNyiT8cnmT6GRc1m+FCjVvvv2f5mgol20MaA33eCCCICAyz1wys+lbOGjpCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T05:26:10.708650Z"},"content_sha256":"05d60731d662cf600124ef29a475226a2bdb4a1b7769a8ea7d52bfacddb69762","schema_version":"1.0","event_id":"sha256:05d60731d662cf600124ef29a475226a2bdb4a1b7769a8ea7d52bfacddb69762"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5TZUEEQIC26PJNCNAUFNBDAW5H/bundle.json","state_url":"https://pith.science/pith/5TZUEEQIC26PJNCNAUFNBDAW5H/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5TZUEEQIC26PJNCNAUFNBDAW5H/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":"2026-06-07T05:26:10Z","links":{"resolver":"https://pith.science/pith/5TZUEEQIC26PJNCNAUFNBDAW5H","bundle":"https://pith.science/pith/5TZUEEQIC26PJNCNAUFNBDAW5H/bundle.json","state":"https://pith.science/pith/5TZUEEQIC26PJNCNAUFNBDAW5H/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5TZUEEQIC26PJNCNAUFNBDAW5H/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:5TZUEEQIC26PJNCNAUFNBDAW5H","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":"c49e6857710745763b9d29285a8f605bddea1830a061d92a14feb309b712ade9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-11-30T21:00:05Z","title_canon_sha256":"45104831ee830fe33b06fb6599d9b9565b50c93b9157be0a8ce262ebab05d20b"},"schema_version":"1.0","source":{"id":"1012.0003","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1012.0003","created_at":"2026-05-18T02:04:37Z"},{"alias_kind":"arxiv_version","alias_value":"1012.0003v2","created_at":"2026-05-18T02:04:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1012.0003","created_at":"2026-05-18T02:04:37Z"},{"alias_kind":"pith_short_12","alias_value":"5TZUEEQIC26P","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_16","alias_value":"5TZUEEQIC26PJNCN","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_8","alias_value":"5TZUEEQI","created_at":"2026-05-18T12:26:04Z"}],"graph_snapshots":[{"event_id":"sha256:05d60731d662cf600124ef29a475226a2bdb4a1b7769a8ea7d52bfacddb69762","target":"graph","created_at":"2026-05-18T02:04:37Z","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":"The Coma cluster of galaxies hosts the brightest radio halo known and has therefore been the target of numerous searches for associated inverse Compton (IC) emission, particularly at hard X-ray energies where the IC signal must eventually dominate over thermal emission. The most recent search with the Suzaku Hard X-ray Detector (HXD) failed to confirm previous IC detections with RXTE and BeppoSAX, instead setting an upper limit 2.5 times below their nonthermal flux. However, this discrepancy can be resolved if the IC emission is very extended, beyond the scale of the cluster radio halo. Using ","authors_text":"(2) U. Virginia, (3) MPE, 4), (4) U. Maryland Baltimore County, (5) U. Maryland College Park, (6) NRL), Alexis Finoguenov (3, Craig L. Sarazin (2), Daniel R. Wik (1), Jack Tueller (1), Richard F. Mushotzky (5), Takashi Okajima (1), Tracy E. Clarke (6) ((1) NASA GSFC, Wayne H. Baumgartner (1)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-11-30T21:00:05Z","title":"The Lack of Diffuse, Nonthermal Hard X-ray Emission in the Coma Cluster: The Swift BAT's Eye View"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1012.0003","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":"sha256:72ecb0c7106c5fba067a293e1805e443ea2c6d8bcc2075ca59a678c00a50aaf2","target":"record","created_at":"2026-05-18T02:04:37Z","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":"c49e6857710745763b9d29285a8f605bddea1830a061d92a14feb309b712ade9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-11-30T21:00:05Z","title_canon_sha256":"45104831ee830fe33b06fb6599d9b9565b50c93b9157be0a8ce262ebab05d20b"},"schema_version":"1.0","source":{"id":"1012.0003","kind":"arxiv","version":2}},"canonical_sha256":"ecf342120816bcf4b44d050ad08c16e9f054d375e15768bd8fc2c817814d60eb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ecf342120816bcf4b44d050ad08c16e9f054d375e15768bd8fc2c817814d60eb","first_computed_at":"2026-05-18T02:04:37.040253Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:04:37.040253Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hghRQ5QE1TNxtkMqBqrUH+sB/fAaAV3Klv2u9GLYgO9+bLv34v1Duvtx7jUBUmvux8iQpNh8HcH2siv+WAf5DA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:04:37.040963Z","signed_message":"canonical_sha256_bytes"},"source_id":"1012.0003","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:72ecb0c7106c5fba067a293e1805e443ea2c6d8bcc2075ca59a678c00a50aaf2","sha256:05d60731d662cf600124ef29a475226a2bdb4a1b7769a8ea7d52bfacddb69762"],"state_sha256":"aeb7de741d0f302b3a1f2b1801a3c12e115b58e2fdf09552952e1d0827fa5d1b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1XYM1T0l+Y1+VeyRRK9rpCww7wEwDBgJLHeAbFIoAPaOBLXlX+DXK8ObfFhSUc5LFIeiexa3/QPQqxcqdrJABg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T05:26:10.712132Z","bundle_sha256":"b96287235141d1c5d975ef6aff6fc20e493f3e9f607ac26c11b2517ee725295d"}}