{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:V46NRAVVT7GGCDT62PYQBQPEPB","short_pith_number":"pith:V46NRAVV","canonical_record":{"source":{"id":"0803.0682","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-03-05T15:39:57Z","cross_cats_sorted":[],"title_canon_sha256":"fde723fe6ea780b0754034c48c6141b3a992b55c4956271d653eaf13d6d08fd3","abstract_canon_sha256":"26ba3b3d2efda1de9d6b87f3c7beb80877e49cc2ce776eac28ded68a3698a36c"},"schema_version":"1.0"},"canonical_sha256":"af3cd882b59fcc610e7ed3f100c1e47871a4cb9b3235512428fa24576f657e85","source":{"kind":"arxiv","id":"0803.0682","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0803.0682","created_at":"2026-05-18T02:16:00Z"},{"alias_kind":"arxiv_version","alias_value":"0803.0682v2","created_at":"2026-05-18T02:16:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0803.0682","created_at":"2026-05-18T02:16:00Z"},{"alias_kind":"pith_short_12","alias_value":"V46NRAVVT7GG","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"V46NRAVVT7GGCDT6","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"V46NRAVV","created_at":"2026-05-18T12:25:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:V46NRAVVT7GGCDT62PYQBQPEPB","target":"record","payload":{"canonical_record":{"source":{"id":"0803.0682","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-03-05T15:39:57Z","cross_cats_sorted":[],"title_canon_sha256":"fde723fe6ea780b0754034c48c6141b3a992b55c4956271d653eaf13d6d08fd3","abstract_canon_sha256":"26ba3b3d2efda1de9d6b87f3c7beb80877e49cc2ce776eac28ded68a3698a36c"},"schema_version":"1.0"},"canonical_sha256":"af3cd882b59fcc610e7ed3f100c1e47871a4cb9b3235512428fa24576f657e85","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:16:00.558912Z","signature_b64":"gMZewHgj4xCdbMCYpzhF8m5xTAE7629NHvMko72jkIStRqWaLVNAWKcx9U02gIyApSSDKKH9NagxDjweLq8VDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"af3cd882b59fcc610e7ed3f100c1e47871a4cb9b3235512428fa24576f657e85","last_reissued_at":"2026-05-18T02:16:00.558294Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:16:00.558294Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0803.0682","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":"2026-05-18T02:16:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YUGXYMAM8l0KZqCUzjuLdVr1THHtzdNPRX9sr+ErGi8CAKHni0pbZ5+9FY3V529+RxFsOL7VxaQGxQe0bMHCAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T05:27:40.254414Z"},"content_sha256":"c1cd95e22a6ccbf6d80ac45cb347d78f5e7303374fbfd8b468e563af14a8721c","schema_version":"1.0","event_id":"sha256:c1cd95e22a6ccbf6d80ac45cb347d78f5e7303374fbfd8b468e563af14a8721c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:V46NRAVVT7GGCDT62PYQBQPEPB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Chandra and H.E.S.S. observations of the Supernova Remnant CTB 37B","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"et al, HESS Collaboration: F. Aharonian","submitted_at":"2008-03-05T15:39:57Z","abstract_excerpt":"The >100 GeV gamma-ray source, HESS J1713-381, apparently associated with the shell-type supernova remnant (SNR) CTB 37B, was discovered using H.E.S.S. in 2006. X-ray follow-up observations with Chandra were performed in 2007 with the aim of identifying a synchrotron counterpart to the TeV source and/or thermal emission from the SNR shell. These new Chandra data, together with additional TeV data, allow us to investigate the nature of this object in much greater detail than was previously possible. The new X-ray data reveal thermal emission from a ~4' region in close proximity to the radio she"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0803.0682","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":"2026-05-18T02:16:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"k3eNqXqMYfAh7MLMbwjq4/MCveoTNe5qT4FW7F6p9usLP/67C5nxl01b0mCutQnPQaaQUHjmZ2JfUu0n/OnTBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T05:27:40.254770Z"},"content_sha256":"41dd2eb15c4ebf7bb26158e14a6b0a77ff1e2b39b0482bfc428ca8ca286ba131","schema_version":"1.0","event_id":"sha256:41dd2eb15c4ebf7bb26158e14a6b0a77ff1e2b39b0482bfc428ca8ca286ba131"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/V46NRAVVT7GGCDT62PYQBQPEPB/bundle.json","state_url":"https://pith.science/pith/V46NRAVVT7GGCDT62PYQBQPEPB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/V46NRAVVT7GGCDT62PYQBQPEPB/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":"2026-06-02T05:27:40Z","links":{"resolver":"https://pith.science/pith/V46NRAVVT7GGCDT62PYQBQPEPB","bundle":"https://pith.science/pith/V46NRAVVT7GGCDT62PYQBQPEPB/bundle.json","state":"https://pith.science/pith/V46NRAVVT7GGCDT62PYQBQPEPB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/V46NRAVVT7GGCDT62PYQBQPEPB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:V46NRAVVT7GGCDT62PYQBQPEPB","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":"26ba3b3d2efda1de9d6b87f3c7beb80877e49cc2ce776eac28ded68a3698a36c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-03-05T15:39:57Z","title_canon_sha256":"fde723fe6ea780b0754034c48c6141b3a992b55c4956271d653eaf13d6d08fd3"},"schema_version":"1.0","source":{"id":"0803.0682","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0803.0682","created_at":"2026-05-18T02:16:00Z"},{"alias_kind":"arxiv_version","alias_value":"0803.0682v2","created_at":"2026-05-18T02:16:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0803.0682","created_at":"2026-05-18T02:16:00Z"},{"alias_kind":"pith_short_12","alias_value":"V46NRAVVT7GG","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"V46NRAVVT7GGCDT6","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"V46NRAVV","created_at":"2026-05-18T12:25:58Z"}],"graph_snapshots":[{"event_id":"sha256:41dd2eb15c4ebf7bb26158e14a6b0a77ff1e2b39b0482bfc428ca8ca286ba131","target":"graph","created_at":"2026-05-18T02:16:00Z","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 >100 GeV gamma-ray source, HESS J1713-381, apparently associated with the shell-type supernova remnant (SNR) CTB 37B, was discovered using H.E.S.S. in 2006. X-ray follow-up observations with Chandra were performed in 2007 with the aim of identifying a synchrotron counterpart to the TeV source and/or thermal emission from the SNR shell. These new Chandra data, together with additional TeV data, allow us to investigate the nature of this object in much greater detail than was previously possible. The new X-ray data reveal thermal emission from a ~4' region in close proximity to the radio she","authors_text":"et al, HESS Collaboration: F. Aharonian","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-03-05T15:39:57Z","title":"Chandra and H.E.S.S. observations of the Supernova Remnant CTB 37B"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0803.0682","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:c1cd95e22a6ccbf6d80ac45cb347d78f5e7303374fbfd8b468e563af14a8721c","target":"record","created_at":"2026-05-18T02:16:00Z","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":"26ba3b3d2efda1de9d6b87f3c7beb80877e49cc2ce776eac28ded68a3698a36c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-03-05T15:39:57Z","title_canon_sha256":"fde723fe6ea780b0754034c48c6141b3a992b55c4956271d653eaf13d6d08fd3"},"schema_version":"1.0","source":{"id":"0803.0682","kind":"arxiv","version":2}},"canonical_sha256":"af3cd882b59fcc610e7ed3f100c1e47871a4cb9b3235512428fa24576f657e85","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"af3cd882b59fcc610e7ed3f100c1e47871a4cb9b3235512428fa24576f657e85","first_computed_at":"2026-05-18T02:16:00.558294Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:16:00.558294Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gMZewHgj4xCdbMCYpzhF8m5xTAE7629NHvMko72jkIStRqWaLVNAWKcx9U02gIyApSSDKKH9NagxDjweLq8VDw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:16:00.558912Z","signed_message":"canonical_sha256_bytes"},"source_id":"0803.0682","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c1cd95e22a6ccbf6d80ac45cb347d78f5e7303374fbfd8b468e563af14a8721c","sha256:41dd2eb15c4ebf7bb26158e14a6b0a77ff1e2b39b0482bfc428ca8ca286ba131"],"state_sha256":"2c94d85cc7f8f036ee204142c38ade88722e82dd887124ae2924f1aaf87f3944"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+bPg71ptg3tnBeLKgq8a8efZBjSabaAXXrI5nBprnJGp4C9a+ec37ojQAX70GAxLjG4qPZGDa3LIS5zJ1YztCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T05:27:40.256810Z","bundle_sha256":"17ca68cc6aef2e7af6d9ec43d1736e6d4c23d79e273c8a26dc8d500021a72f95"}}