{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:O3F54ODMNBH7HUW7Q2WW7J2GKE","short_pith_number":"pith:O3F54ODM","canonical_record":{"source":{"id":"1311.6894","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-11-27T08:33:30Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"44582dfb2ab9172e530c622c2e92434df3e88629f8b65f4d093dfac894351351","abstract_canon_sha256":"f3ca4686cdc04744e2896dcdaa658002dafb30cd751d09da86198a647dac11c5"},"schema_version":"1.0"},"canonical_sha256":"76cbde386c684ff3d2df86ad6fa746510e6d93e4ca5a2d383b1d94ca932b17dc","source":{"kind":"arxiv","id":"1311.6894","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.6894","created_at":"2026-05-18T03:06:05Z"},{"alias_kind":"arxiv_version","alias_value":"1311.6894v1","created_at":"2026-05-18T03:06:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.6894","created_at":"2026-05-18T03:06:05Z"},{"alias_kind":"pith_short_12","alias_value":"O3F54ODMNBH7","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_16","alias_value":"O3F54ODMNBH7HUW7","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_8","alias_value":"O3F54ODM","created_at":"2026-05-18T12:27:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:O3F54ODMNBH7HUW7Q2WW7J2GKE","target":"record","payload":{"canonical_record":{"source":{"id":"1311.6894","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-11-27T08:33:30Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"44582dfb2ab9172e530c622c2e92434df3e88629f8b65f4d093dfac894351351","abstract_canon_sha256":"f3ca4686cdc04744e2896dcdaa658002dafb30cd751d09da86198a647dac11c5"},"schema_version":"1.0"},"canonical_sha256":"76cbde386c684ff3d2df86ad6fa746510e6d93e4ca5a2d383b1d94ca932b17dc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:06:05.262775Z","signature_b64":"yRx2mKSe4O/MUzSzkvtp94h3WgW1eXpsf1g8iF6Fm/xrEFIX3zHO3THCbbIhkDxSbbis+t6TyXeuwxuaJSJGBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"76cbde386c684ff3d2df86ad6fa746510e6d93e4ca5a2d383b1d94ca932b17dc","last_reissued_at":"2026-05-18T03:06:05.262173Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:06:05.262173Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1311.6894","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":"2026-05-18T03:06:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zN6QUr3cgTS/V4TJofZqhtzJjHetOX+CdafePC+pQBI3OREkNUxONbqlYdVB1Hz+IvVz02ZiezDwIxcbP8cjBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T03:05:24.777233Z"},"content_sha256":"cb97c7d1c978b69396f5dbfd9b939bf84b62890e2982c18bd7b2332a329873a2","schema_version":"1.0","event_id":"sha256:cb97c7d1c978b69396f5dbfd9b939bf84b62890e2982c18bd7b2332a329873a2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:O3F54ODMNBH7HUW7Q2WW7J2GKE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Supernova Remnant Kes 17: Efficient Cosmic Ray Accelerator inside a Molecular Cloud","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.GA","authors_text":"Cara Rakowski, Daniel Castro, John P. Hughes, Joseph D. Gelfand, Patrick O. Slane, Tea Temim","submitted_at":"2013-11-27T08:33:30Z","abstract_excerpt":"Supernova remnant Kes 17 (SNR G304.6+0.1) is one of a few but growing number of remnants detected across the electromagnetic spectrum. In this paper, we analyze recent radio, X-ray, and gamma-ray observations of this object, determining that efficient cosmic ray acceleration is required to explain its broadband non-thermal spectrum. These observations also suggest that Kes 17 is expanding inside a molecular cloud, though our determination of its age depends on whether thermal conduction or clump evaporation is primarily responsible for its center-filled thermal X-ray morphology. Evidence for e"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.6894","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":"2026-05-18T03:06:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Eu4jDYupjMLiSxQj0j/Hjf8mFA7dqzDH1X5dFLT5nF43RMAKSkr745P1uFckrOOzOSSzxYZDeHERuuQEBQgFDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T03:05:24.777949Z"},"content_sha256":"97d878b75f46ca97ef2c63c5fb62fcaafe695fdc1120ad4c51989f184a28c777","schema_version":"1.0","event_id":"sha256:97d878b75f46ca97ef2c63c5fb62fcaafe695fdc1120ad4c51989f184a28c777"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/O3F54ODMNBH7HUW7Q2WW7J2GKE/bundle.json","state_url":"https://pith.science/pith/O3F54ODMNBH7HUW7Q2WW7J2GKE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/O3F54ODMNBH7HUW7Q2WW7J2GKE/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":"2026-05-25T03:05:24Z","links":{"resolver":"https://pith.science/pith/O3F54ODMNBH7HUW7Q2WW7J2GKE","bundle":"https://pith.science/pith/O3F54ODMNBH7HUW7Q2WW7J2GKE/bundle.json","state":"https://pith.science/pith/O3F54ODMNBH7HUW7Q2WW7J2GKE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/O3F54ODMNBH7HUW7Q2WW7J2GKE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:O3F54ODMNBH7HUW7Q2WW7J2GKE","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":"f3ca4686cdc04744e2896dcdaa658002dafb30cd751d09da86198a647dac11c5","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-11-27T08:33:30Z","title_canon_sha256":"44582dfb2ab9172e530c622c2e92434df3e88629f8b65f4d093dfac894351351"},"schema_version":"1.0","source":{"id":"1311.6894","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.6894","created_at":"2026-05-18T03:06:05Z"},{"alias_kind":"arxiv_version","alias_value":"1311.6894v1","created_at":"2026-05-18T03:06:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.6894","created_at":"2026-05-18T03:06:05Z"},{"alias_kind":"pith_short_12","alias_value":"O3F54ODMNBH7","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_16","alias_value":"O3F54ODMNBH7HUW7","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_8","alias_value":"O3F54ODM","created_at":"2026-05-18T12:27:54Z"}],"graph_snapshots":[{"event_id":"sha256:97d878b75f46ca97ef2c63c5fb62fcaafe695fdc1120ad4c51989f184a28c777","target":"graph","created_at":"2026-05-18T03:06:05Z","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":"Supernova remnant Kes 17 (SNR G304.6+0.1) is one of a few but growing number of remnants detected across the electromagnetic spectrum. In this paper, we analyze recent radio, X-ray, and gamma-ray observations of this object, determining that efficient cosmic ray acceleration is required to explain its broadband non-thermal spectrum. These observations also suggest that Kes 17 is expanding inside a molecular cloud, though our determination of its age depends on whether thermal conduction or clump evaporation is primarily responsible for its center-filled thermal X-ray morphology. Evidence for e","authors_text":"Cara Rakowski, Daniel Castro, John P. Hughes, Joseph D. Gelfand, Patrick O. Slane, Tea Temim","cross_cats":["astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-11-27T08:33:30Z","title":"Supernova Remnant Kes 17: Efficient Cosmic Ray Accelerator inside a Molecular Cloud"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.6894","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:cb97c7d1c978b69396f5dbfd9b939bf84b62890e2982c18bd7b2332a329873a2","target":"record","created_at":"2026-05-18T03:06:05Z","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":"f3ca4686cdc04744e2896dcdaa658002dafb30cd751d09da86198a647dac11c5","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-11-27T08:33:30Z","title_canon_sha256":"44582dfb2ab9172e530c622c2e92434df3e88629f8b65f4d093dfac894351351"},"schema_version":"1.0","source":{"id":"1311.6894","kind":"arxiv","version":1}},"canonical_sha256":"76cbde386c684ff3d2df86ad6fa746510e6d93e4ca5a2d383b1d94ca932b17dc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"76cbde386c684ff3d2df86ad6fa746510e6d93e4ca5a2d383b1d94ca932b17dc","first_computed_at":"2026-05-18T03:06:05.262173Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:06:05.262173Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"yRx2mKSe4O/MUzSzkvtp94h3WgW1eXpsf1g8iF6Fm/xrEFIX3zHO3THCbbIhkDxSbbis+t6TyXeuwxuaJSJGBA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:06:05.262775Z","signed_message":"canonical_sha256_bytes"},"source_id":"1311.6894","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cb97c7d1c978b69396f5dbfd9b939bf84b62890e2982c18bd7b2332a329873a2","sha256:97d878b75f46ca97ef2c63c5fb62fcaafe695fdc1120ad4c51989f184a28c777"],"state_sha256":"3b06cd6031f0ec2238c11e482ec5b0dbe31c74e3bed8be316301b67cbfd1eee4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2pZiFi21cGYWIxuGiE+8qKPLRWMR8gFNd2hWTJu6QuvG7K22rAbQ1CSOMU2NGBsX/2vGp5K0BHvsmsByw1jXCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T03:05:24.781441Z","bundle_sha256":"1716f7dd3d306b5599fb26c456dcc89eaf8c598f809ab51f7e57cf62c467bb66"}}