{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:KRS7MYLIMACQSJM4VJUXNJHCE6","short_pith_number":"pith:KRS7MYLI","canonical_record":{"source":{"id":"1610.06234","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-10-19T21:52:37Z","cross_cats_sorted":[],"title_canon_sha256":"46af7bfecdd62bedfbed5a404939d1b94884e1784e8e4624b337f1d9b92d74b2","abstract_canon_sha256":"269c0e125fbb958c7fe013d5af64f47c77f197b2040174816d6976cfe249e59a"},"schema_version":"1.0"},"canonical_sha256":"5465f66168600509259caa6976a4e227a68142db7f51ffb7355b2b0ad53f217c","source":{"kind":"arxiv","id":"1610.06234","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.06234","created_at":"2026-05-18T00:38:30Z"},{"alias_kind":"arxiv_version","alias_value":"1610.06234v1","created_at":"2026-05-18T00:38:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.06234","created_at":"2026-05-18T00:38:30Z"},{"alias_kind":"pith_short_12","alias_value":"KRS7MYLIMACQ","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_16","alias_value":"KRS7MYLIMACQSJM4","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_8","alias_value":"KRS7MYLI","created_at":"2026-05-18T12:30:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:KRS7MYLIMACQSJM4VJUXNJHCE6","target":"record","payload":{"canonical_record":{"source":{"id":"1610.06234","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-10-19T21:52:37Z","cross_cats_sorted":[],"title_canon_sha256":"46af7bfecdd62bedfbed5a404939d1b94884e1784e8e4624b337f1d9b92d74b2","abstract_canon_sha256":"269c0e125fbb958c7fe013d5af64f47c77f197b2040174816d6976cfe249e59a"},"schema_version":"1.0"},"canonical_sha256":"5465f66168600509259caa6976a4e227a68142db7f51ffb7355b2b0ad53f217c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:38:30.978252Z","signature_b64":"/hYxozBCwl/xB4wHujjtmGVmvR5A7vHRdmWMAq7Sg2WHk1ahvD4niZQV/8lcXdOrAOa/P5GGliInUmG0ouufBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5465f66168600509259caa6976a4e227a68142db7f51ffb7355b2b0ad53f217c","last_reissued_at":"2026-05-18T00:38:30.977683Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:38:30.977683Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1610.06234","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":"2026-05-18T00:38:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7DFlYvHvqXtTaO577lE3ZIbap4JX9YbW1n7Jm6U7YOJ2SisE2krbE+tmfRCNgC0mGI+s0kcF8UoL7F3f5mkQBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T23:33:35.461805Z"},"content_sha256":"8e57ed4715bd39f4a0e187c4cbb2ab584ff1754b97509d31d79202f376d08574","schema_version":"1.0","event_id":"sha256:8e57ed4715bd39f4a0e187c4cbb2ab584ff1754b97509d31d79202f376d08574"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:KRS7MYLIMACQSJM4VJUXNJHCE6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Gamma-Ray Emission from Supernova Remnants and Surrounding Molecular Clouds","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Stefano Gabici (APC)","submitted_at":"2016-10-19T21:52:37Z","abstract_excerpt":"Galactic cosmic rays are believed to be accelerated at supernova remnant shocks. Gamma-ray observations of both supernova remnants and associated molecular clouds have been used in several occasions to test (so far quite successfully) this popular hypothesis. Despite that, a conclusive solution to the problem of cosmic ray origin is still missing, and further observational and theoretical efforts are needed. In this paper, the current status of these investigations is briefly reviewed."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.06234","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":"2026-05-18T00:38:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"C3It3FxhaBN4lFibjMX2tFbBBRlAcWTZXMGUpTC3cVMDSYavhuKR9CZl7txlTJCGsI6ZxUZZM5mnD58lekPEBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T23:33:35.462480Z"},"content_sha256":"704e99ee3831179ad51f11dbee046da5732ff41611f2740125f6b476eed4b68d","schema_version":"1.0","event_id":"sha256:704e99ee3831179ad51f11dbee046da5732ff41611f2740125f6b476eed4b68d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KRS7MYLIMACQSJM4VJUXNJHCE6/bundle.json","state_url":"https://pith.science/pith/KRS7MYLIMACQSJM4VJUXNJHCE6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KRS7MYLIMACQSJM4VJUXNJHCE6/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":"2026-06-11T23:33:35Z","links":{"resolver":"https://pith.science/pith/KRS7MYLIMACQSJM4VJUXNJHCE6","bundle":"https://pith.science/pith/KRS7MYLIMACQSJM4VJUXNJHCE6/bundle.json","state":"https://pith.science/pith/KRS7MYLIMACQSJM4VJUXNJHCE6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KRS7MYLIMACQSJM4VJUXNJHCE6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:KRS7MYLIMACQSJM4VJUXNJHCE6","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":"269c0e125fbb958c7fe013d5af64f47c77f197b2040174816d6976cfe249e59a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-10-19T21:52:37Z","title_canon_sha256":"46af7bfecdd62bedfbed5a404939d1b94884e1784e8e4624b337f1d9b92d74b2"},"schema_version":"1.0","source":{"id":"1610.06234","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.06234","created_at":"2026-05-18T00:38:30Z"},{"alias_kind":"arxiv_version","alias_value":"1610.06234v1","created_at":"2026-05-18T00:38:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.06234","created_at":"2026-05-18T00:38:30Z"},{"alias_kind":"pith_short_12","alias_value":"KRS7MYLIMACQ","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_16","alias_value":"KRS7MYLIMACQSJM4","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_8","alias_value":"KRS7MYLI","created_at":"2026-05-18T12:30:29Z"}],"graph_snapshots":[{"event_id":"sha256:704e99ee3831179ad51f11dbee046da5732ff41611f2740125f6b476eed4b68d","target":"graph","created_at":"2026-05-18T00:38:30Z","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":"Galactic cosmic rays are believed to be accelerated at supernova remnant shocks. Gamma-ray observations of both supernova remnants and associated molecular clouds have been used in several occasions to test (so far quite successfully) this popular hypothesis. Despite that, a conclusive solution to the problem of cosmic ray origin is still missing, and further observational and theoretical efforts are needed. In this paper, the current status of these investigations is briefly reviewed.","authors_text":"Stefano Gabici (APC)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-10-19T21:52:37Z","title":"Gamma-Ray Emission from Supernova Remnants and Surrounding Molecular Clouds"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.06234","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":"sha256:8e57ed4715bd39f4a0e187c4cbb2ab584ff1754b97509d31d79202f376d08574","target":"record","created_at":"2026-05-18T00:38:30Z","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":"269c0e125fbb958c7fe013d5af64f47c77f197b2040174816d6976cfe249e59a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-10-19T21:52:37Z","title_canon_sha256":"46af7bfecdd62bedfbed5a404939d1b94884e1784e8e4624b337f1d9b92d74b2"},"schema_version":"1.0","source":{"id":"1610.06234","kind":"arxiv","version":1}},"canonical_sha256":"5465f66168600509259caa6976a4e227a68142db7f51ffb7355b2b0ad53f217c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5465f66168600509259caa6976a4e227a68142db7f51ffb7355b2b0ad53f217c","first_computed_at":"2026-05-18T00:38:30.977683Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:38:30.977683Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/hYxozBCwl/xB4wHujjtmGVmvR5A7vHRdmWMAq7Sg2WHk1ahvD4niZQV/8lcXdOrAOa/P5GGliInUmG0ouufBA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:38:30.978252Z","signed_message":"canonical_sha256_bytes"},"source_id":"1610.06234","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8e57ed4715bd39f4a0e187c4cbb2ab584ff1754b97509d31d79202f376d08574","sha256:704e99ee3831179ad51f11dbee046da5732ff41611f2740125f6b476eed4b68d"],"state_sha256":"65f72aafa95dbd6cf451a15001301f18654357298856dbba3f79a36ea18a6276"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SN5KkPhFXvWDnDw7MIrzbrmzkCArLxj2J2pZXaU8ujtt9o62ZVsWmwyZG94OHQn9a52NBy8o9ZdSTBkxvciXDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T23:33:35.466464Z","bundle_sha256":"7aea318485b8b4519fcefd97169a10e11556d6725feb6a2bfabd8136a03513f3"}}