{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:B7XBFZLMNXP2H5Q2RVOCGBFKC3","short_pith_number":"pith:B7XBFZLM","canonical_record":{"source":{"id":"1306.6850","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-06-28T14:24:37Z","cross_cats_sorted":[],"title_canon_sha256":"17f23ca8704de8b093fe643f3d5677fb231497496defc1b723f8bef6b3a2253b","abstract_canon_sha256":"067d03725b66fa697cafdb550441249936628c71fdd4b853f908c6d999544fdf"},"schema_version":"1.0"},"canonical_sha256":"0fee12e56c6ddfa3f61a8d5c2304aa16db8ef18d5f7858e720d270ff25f28a00","source":{"kind":"arxiv","id":"1306.6850","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1306.6850","created_at":"2026-05-18T03:19:42Z"},{"alias_kind":"arxiv_version","alias_value":"1306.6850v1","created_at":"2026-05-18T03:19:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1306.6850","created_at":"2026-05-18T03:19:42Z"},{"alias_kind":"pith_short_12","alias_value":"B7XBFZLMNXP2","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_16","alias_value":"B7XBFZLMNXP2H5Q2","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_8","alias_value":"B7XBFZLM","created_at":"2026-05-18T12:27:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:B7XBFZLMNXP2H5Q2RVOCGBFKC3","target":"record","payload":{"canonical_record":{"source":{"id":"1306.6850","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-06-28T14:24:37Z","cross_cats_sorted":[],"title_canon_sha256":"17f23ca8704de8b093fe643f3d5677fb231497496defc1b723f8bef6b3a2253b","abstract_canon_sha256":"067d03725b66fa697cafdb550441249936628c71fdd4b853f908c6d999544fdf"},"schema_version":"1.0"},"canonical_sha256":"0fee12e56c6ddfa3f61a8d5c2304aa16db8ef18d5f7858e720d270ff25f28a00","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:19:42.737390Z","signature_b64":"hdhlVXcGVjnkDtn0w+4LOeKYn9xmY4t32PhaJfMWPiF/dlY7nGRfwUz0CIy3koh1BtqWd6REXhGRrPcuumgnDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0fee12e56c6ddfa3f61a8d5c2304aa16db8ef18d5f7858e720d270ff25f28a00","last_reissued_at":"2026-05-18T03:19:42.736733Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:19:42.736733Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1306.6850","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":"2026-05-18T03:19:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sDe5Bm7RMBIQ5XFJGCoXcQaukUGilNEJUXJ6myTCAQTQEAgiRrk3XYewZZs9erPreDlA7JLWFulihMC7We8xBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T15:38:58.003684Z"},"content_sha256":"374dd98cc7650993a965f3aec57170b1317ad2692d01a65ed7d0ce459f06a5ad","schema_version":"1.0","event_id":"sha256:374dd98cc7650993a965f3aec57170b1317ad2692d01a65ed7d0ce459f06a5ad"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:B7XBFZLMNXP2H5Q2RVOCGBFKC3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Three dimensional modeling of CR propagation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Carmelo Evoli, Daniele Gaggero, Dario Grasso, Giuseppe Di Bernardo, Luca Maccione","submitted_at":"2013-06-28T14:24:37Z","abstract_excerpt":"We present here a major upgrade of DRAGON, a numerical package that computes the propagation of a wide set of CR species from both astrophysical and exotic origin in the Galaxy in a wide energy range from tens of MeV to tens of TeV. DRAGON takes into account all relevant processes in particular diffusion, convection, reacceleration, fragmentation and energy losses. For the first time, we present a full 3D version of DRAGON with anisotropic position-dependent diffusion. In this version, the propagation is calculated within a 3D cartesian grid and the user is able to implement realistic and stru"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1306.6850","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":"2026-05-18T03:19:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fGVF6zKXHYKdSsIsmC4G1KzXr9fKYJcgfMaqwchLw0IGTXgshXe+vhICudIX7QNjxbn/6IiD1BSFkinDPdxbCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T15:38:58.004048Z"},"content_sha256":"3543dbaa604e1eddbba990a29fb6a2549a120b0572d9798f6a54c893c962a428","schema_version":"1.0","event_id":"sha256:3543dbaa604e1eddbba990a29fb6a2549a120b0572d9798f6a54c893c962a428"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/B7XBFZLMNXP2H5Q2RVOCGBFKC3/bundle.json","state_url":"https://pith.science/pith/B7XBFZLMNXP2H5Q2RVOCGBFKC3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/B7XBFZLMNXP2H5Q2RVOCGBFKC3/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":"2026-06-03T15:38:58Z","links":{"resolver":"https://pith.science/pith/B7XBFZLMNXP2H5Q2RVOCGBFKC3","bundle":"https://pith.science/pith/B7XBFZLMNXP2H5Q2RVOCGBFKC3/bundle.json","state":"https://pith.science/pith/B7XBFZLMNXP2H5Q2RVOCGBFKC3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/B7XBFZLMNXP2H5Q2RVOCGBFKC3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:B7XBFZLMNXP2H5Q2RVOCGBFKC3","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":"067d03725b66fa697cafdb550441249936628c71fdd4b853f908c6d999544fdf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-06-28T14:24:37Z","title_canon_sha256":"17f23ca8704de8b093fe643f3d5677fb231497496defc1b723f8bef6b3a2253b"},"schema_version":"1.0","source":{"id":"1306.6850","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1306.6850","created_at":"2026-05-18T03:19:42Z"},{"alias_kind":"arxiv_version","alias_value":"1306.6850v1","created_at":"2026-05-18T03:19:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1306.6850","created_at":"2026-05-18T03:19:42Z"},{"alias_kind":"pith_short_12","alias_value":"B7XBFZLMNXP2","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_16","alias_value":"B7XBFZLMNXP2H5Q2","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_8","alias_value":"B7XBFZLM","created_at":"2026-05-18T12:27:38Z"}],"graph_snapshots":[{"event_id":"sha256:3543dbaa604e1eddbba990a29fb6a2549a120b0572d9798f6a54c893c962a428","target":"graph","created_at":"2026-05-18T03:19:42Z","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":"We present here a major upgrade of DRAGON, a numerical package that computes the propagation of a wide set of CR species from both astrophysical and exotic origin in the Galaxy in a wide energy range from tens of MeV to tens of TeV. DRAGON takes into account all relevant processes in particular diffusion, convection, reacceleration, fragmentation and energy losses. For the first time, we present a full 3D version of DRAGON with anisotropic position-dependent diffusion. In this version, the propagation is calculated within a 3D cartesian grid and the user is able to implement realistic and stru","authors_text":"Carmelo Evoli, Daniele Gaggero, Dario Grasso, Giuseppe Di Bernardo, Luca Maccione","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-06-28T14:24:37Z","title":"Three dimensional modeling of CR propagation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1306.6850","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":"sha256:374dd98cc7650993a965f3aec57170b1317ad2692d01a65ed7d0ce459f06a5ad","target":"record","created_at":"2026-05-18T03:19:42Z","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":"067d03725b66fa697cafdb550441249936628c71fdd4b853f908c6d999544fdf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-06-28T14:24:37Z","title_canon_sha256":"17f23ca8704de8b093fe643f3d5677fb231497496defc1b723f8bef6b3a2253b"},"schema_version":"1.0","source":{"id":"1306.6850","kind":"arxiv","version":1}},"canonical_sha256":"0fee12e56c6ddfa3f61a8d5c2304aa16db8ef18d5f7858e720d270ff25f28a00","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0fee12e56c6ddfa3f61a8d5c2304aa16db8ef18d5f7858e720d270ff25f28a00","first_computed_at":"2026-05-18T03:19:42.736733Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:19:42.736733Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hdhlVXcGVjnkDtn0w+4LOeKYn9xmY4t32PhaJfMWPiF/dlY7nGRfwUz0CIy3koh1BtqWd6REXhGRrPcuumgnDA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:19:42.737390Z","signed_message":"canonical_sha256_bytes"},"source_id":"1306.6850","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:374dd98cc7650993a965f3aec57170b1317ad2692d01a65ed7d0ce459f06a5ad","sha256:3543dbaa604e1eddbba990a29fb6a2549a120b0572d9798f6a54c893c962a428"],"state_sha256":"774e4c11451654f512d59d1faeef0e77f7cdb0e6805040ac4ce10aecf8d42d5f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"K5kdOMUcNlLNlbCmkuazV+Md22zSUP5pX091kcgCetGXrv4ICc6ZShcqAGhSwflY1gAQnIibNBT+858dCCcoDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T15:38:58.006782Z","bundle_sha256":"d6c9dfd92eb720375b2d35cc0f6091ec129ad46d19e7f07a1d5e0c9ea2d58829"}}