{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:TBP5AXR5JD4OUJHYMBTSH5SIBE","short_pith_number":"pith:TBP5AXR5","canonical_record":{"source":{"id":"1508.02675","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-08-11T18:20:53Z","cross_cats_sorted":[],"title_canon_sha256":"71d62a29486a8411905216ec823f8dfa81559b219b05108dfb4a18a81bc436a9","abstract_canon_sha256":"d53ce5841e198e8a4e90d7ad8a674c7031af6671719547168143a923f2f23920"},"schema_version":"1.0"},"canonical_sha256":"985fd05e3d48f8ea24f8606723f648090f81cf2b423b8e0f9c5f494d203d662b","source":{"kind":"arxiv","id":"1508.02675","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1508.02675","created_at":"2026-05-18T01:35:28Z"},{"alias_kind":"arxiv_version","alias_value":"1508.02675v1","created_at":"2026-05-18T01:35:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1508.02675","created_at":"2026-05-18T01:35:28Z"},{"alias_kind":"pith_short_12","alias_value":"TBP5AXR5JD4O","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_16","alias_value":"TBP5AXR5JD4OUJHY","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_8","alias_value":"TBP5AXR5","created_at":"2026-05-18T12:29:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:TBP5AXR5JD4OUJHYMBTSH5SIBE","target":"record","payload":{"canonical_record":{"source":{"id":"1508.02675","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-08-11T18:20:53Z","cross_cats_sorted":[],"title_canon_sha256":"71d62a29486a8411905216ec823f8dfa81559b219b05108dfb4a18a81bc436a9","abstract_canon_sha256":"d53ce5841e198e8a4e90d7ad8a674c7031af6671719547168143a923f2f23920"},"schema_version":"1.0"},"canonical_sha256":"985fd05e3d48f8ea24f8606723f648090f81cf2b423b8e0f9c5f494d203d662b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:35:28.576374Z","signature_b64":"loUFgoil+iVxbgeAecaIEFl+BsoYKGlGWdz42/56TjrgFhbjDEaS7VauPcAgPq6bm5yVtyyxNxE63CYDGXoGCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"985fd05e3d48f8ea24f8606723f648090f81cf2b423b8e0f9c5f494d203d662b","last_reissued_at":"2026-05-18T01:35:28.575745Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:35:28.575745Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1508.02675","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":"2026-05-18T01:35:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jP5ut/PusAfEaESQfz4IpAM9WMpceaHrYKdOLRyMaA+ImKDDrQwNG0jVw7zoOhMqomQ9jT4TbRAUpdB91VZJBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T16:35:30.739261Z"},"content_sha256":"a7f96832b21878b6c6c82222acfbcd8f204fa598c2b2f5309cd4ba3ac9ace044","schema_version":"1.0","event_id":"sha256:a7f96832b21878b6c6c82222acfbcd8f204fa598c2b2f5309cd4ba3ac9ace044"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:TBP5AXR5JD4OUJHYMBTSH5SIBE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Cosmic-ray diffusive reacceleration: a critical look","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Andrew W. Strong, Luke O'C. Drury","submitted_at":"2015-08-11T18:20:53Z","abstract_excerpt":"Cosmic-ray scattering on magnetic turbulence leads to spatial diffusive propagation; if the scattering medium is moving, this will inevitably also cause changes in the momentum of the particles, so-called diffusive reacceleration. This can be described as diffusion in momentum space. Diffusive reacceleration has often been invoked to explain the peak observed in secondary-to-primary ratios at a few GeV, in particular Boron-to-Carbon. This avoids the necessity to postulate an ad-hoc break in the spatial diffusive coefficient, and has become almost a standard in modelling cosmic-ray spectra. How"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1508.02675","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":"2026-05-18T01:35:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"k6zTZch2T65t/zhHYeAkzBJWXZxxWdSVNNFY1gUpmS+7gcuHe9lHmfu0QvKfxU9aA85spRasS+Us6K5O5VlFBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T16:35:30.739630Z"},"content_sha256":"c890109a83d90564501966bc79196a8ba0f33760998865dd4dcc93e50db7141a","schema_version":"1.0","event_id":"sha256:c890109a83d90564501966bc79196a8ba0f33760998865dd4dcc93e50db7141a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TBP5AXR5JD4OUJHYMBTSH5SIBE/bundle.json","state_url":"https://pith.science/pith/TBP5AXR5JD4OUJHYMBTSH5SIBE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TBP5AXR5JD4OUJHYMBTSH5SIBE/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":"2026-06-23T16:35:30Z","links":{"resolver":"https://pith.science/pith/TBP5AXR5JD4OUJHYMBTSH5SIBE","bundle":"https://pith.science/pith/TBP5AXR5JD4OUJHYMBTSH5SIBE/bundle.json","state":"https://pith.science/pith/TBP5AXR5JD4OUJHYMBTSH5SIBE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TBP5AXR5JD4OUJHYMBTSH5SIBE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:TBP5AXR5JD4OUJHYMBTSH5SIBE","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":"d53ce5841e198e8a4e90d7ad8a674c7031af6671719547168143a923f2f23920","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-08-11T18:20:53Z","title_canon_sha256":"71d62a29486a8411905216ec823f8dfa81559b219b05108dfb4a18a81bc436a9"},"schema_version":"1.0","source":{"id":"1508.02675","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1508.02675","created_at":"2026-05-18T01:35:28Z"},{"alias_kind":"arxiv_version","alias_value":"1508.02675v1","created_at":"2026-05-18T01:35:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1508.02675","created_at":"2026-05-18T01:35:28Z"},{"alias_kind":"pith_short_12","alias_value":"TBP5AXR5JD4O","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_16","alias_value":"TBP5AXR5JD4OUJHY","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_8","alias_value":"TBP5AXR5","created_at":"2026-05-18T12:29:42Z"}],"graph_snapshots":[{"event_id":"sha256:c890109a83d90564501966bc79196a8ba0f33760998865dd4dcc93e50db7141a","target":"graph","created_at":"2026-05-18T01:35:28Z","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":"Cosmic-ray scattering on magnetic turbulence leads to spatial diffusive propagation; if the scattering medium is moving, this will inevitably also cause changes in the momentum of the particles, so-called diffusive reacceleration. This can be described as diffusion in momentum space. Diffusive reacceleration has often been invoked to explain the peak observed in secondary-to-primary ratios at a few GeV, in particular Boron-to-Carbon. This avoids the necessity to postulate an ad-hoc break in the spatial diffusive coefficient, and has become almost a standard in modelling cosmic-ray spectra. How","authors_text":"Andrew W. Strong, Luke O'C. Drury","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-08-11T18:20:53Z","title":"Cosmic-ray diffusive reacceleration: a critical look"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1508.02675","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:a7f96832b21878b6c6c82222acfbcd8f204fa598c2b2f5309cd4ba3ac9ace044","target":"record","created_at":"2026-05-18T01:35:28Z","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":"d53ce5841e198e8a4e90d7ad8a674c7031af6671719547168143a923f2f23920","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-08-11T18:20:53Z","title_canon_sha256":"71d62a29486a8411905216ec823f8dfa81559b219b05108dfb4a18a81bc436a9"},"schema_version":"1.0","source":{"id":"1508.02675","kind":"arxiv","version":1}},"canonical_sha256":"985fd05e3d48f8ea24f8606723f648090f81cf2b423b8e0f9c5f494d203d662b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"985fd05e3d48f8ea24f8606723f648090f81cf2b423b8e0f9c5f494d203d662b","first_computed_at":"2026-05-18T01:35:28.575745Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:35:28.575745Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"loUFgoil+iVxbgeAecaIEFl+BsoYKGlGWdz42/56TjrgFhbjDEaS7VauPcAgPq6bm5yVtyyxNxE63CYDGXoGCg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:35:28.576374Z","signed_message":"canonical_sha256_bytes"},"source_id":"1508.02675","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a7f96832b21878b6c6c82222acfbcd8f204fa598c2b2f5309cd4ba3ac9ace044","sha256:c890109a83d90564501966bc79196a8ba0f33760998865dd4dcc93e50db7141a"],"state_sha256":"d6510ec02a82b879e64443cbfea8031e21792e205538904c66db0087bf8d7e78"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"si6KoRHPJHWTG0jp08tyAppIH3wWzi7BZjhHUOG4Rw3DhjwZX30cNRHOSKbq9VMdckSzBbyUr/Ct0/ZgudbmBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-23T16:35:30.741705Z","bundle_sha256":"8706543e511eab35677b969d6f9838fbc7c6dc134c662dffae0fab21f9cfdd5d"}}