{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:HXW2MPIZLYHZYGSSOVC2U26KUI","short_pith_number":"pith:HXW2MPIZ","canonical_record":{"source":{"id":"1708.00816","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-08-02T16:45:33Z","cross_cats_sorted":[],"title_canon_sha256":"1b38daae9427e96af9c325e5f8171b9325ecd44588756bf624cb057eaf71528f","abstract_canon_sha256":"d317b94524fb9b941e9c903136a283e1d377c4a64eef1153d51c071f5cb2a643"},"schema_version":"1.0"},"canonical_sha256":"3deda63d195e0f9c1a527545aa6bcaa223722b1607987062c594817c407d06b7","source":{"kind":"arxiv","id":"1708.00816","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.00816","created_at":"2026-05-18T00:36:02Z"},{"alias_kind":"arxiv_version","alias_value":"1708.00816v1","created_at":"2026-05-18T00:36:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.00816","created_at":"2026-05-18T00:36:02Z"},{"alias_kind":"pith_short_12","alias_value":"HXW2MPIZLYHZ","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_16","alias_value":"HXW2MPIZLYHZYGSS","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_8","alias_value":"HXW2MPIZ","created_at":"2026-05-18T12:31:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:HXW2MPIZLYHZYGSSOVC2U26KUI","target":"record","payload":{"canonical_record":{"source":{"id":"1708.00816","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-08-02T16:45:33Z","cross_cats_sorted":[],"title_canon_sha256":"1b38daae9427e96af9c325e5f8171b9325ecd44588756bf624cb057eaf71528f","abstract_canon_sha256":"d317b94524fb9b941e9c903136a283e1d377c4a64eef1153d51c071f5cb2a643"},"schema_version":"1.0"},"canonical_sha256":"3deda63d195e0f9c1a527545aa6bcaa223722b1607987062c594817c407d06b7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:36:02.788291Z","signature_b64":"VYvWsVioyA3eotnC3XB3vhSRJj+Z7kEARpZC9j09EMbEqQYQFpYXlVdgdY6f0arCo0Nh3QWchtFU/nPhcy8YAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3deda63d195e0f9c1a527545aa6bcaa223722b1607987062c594817c407d06b7","last_reissued_at":"2026-05-18T00:36:02.787863Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:36:02.787863Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1708.00816","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":"2026-05-18T00:36:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VqzEb9LrmbfM/zIIHQeVFBTYqgvesR3LbFiDIqZvrM1GyvhTJaoqfl1xJvp7ZyHvWcMCKRc+b2nLisQowUifBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T20:36:39.423922Z"},"content_sha256":"fce2d25127b5927d741fea01c67d8245666ce08cb1d8fbcbefe3c4b0bf3cb36b","schema_version":"1.0","event_id":"sha256:fce2d25127b5927d741fea01c67d8245666ce08cb1d8fbcbefe3c4b0bf3cb36b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:HXW2MPIZLYHZYGSSOVC2U26KUI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"High-Energy Gamma Rays from the Milky Way: Three-Dimensional Spatial Models for the Cosmic-Ray and Radiation Field Densities in the Interstellar Medium","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Gudlaugur Johannesson, Igor V. Moskalenko, Troy A. Porter","submitted_at":"2017-08-02T16:45:33Z","abstract_excerpt":"High-energy gamma rays of interstellar origin are produced by the interaction of cosmic-ray (CR) particles with the diffuse gas and radiation fields in the Galaxy. The main features of this emission are well understood and are reproduced by existing CR propagation models employing 2D Galactocentric cylindrically symmetrical geometry. However, the high-quality data from instruments like the Fermi Large Area Telescope reveal significant deviations from the model predictions on few to tens of degree scales indicating the need to include the details of the Galactic spiral structure and thus requir"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.00816","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":"2026-05-18T00:36:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KNwAsUc/YuagflkiAK1snCgM0+yrXTsJ1AX3s96rLSLA0VqweKS/w1LnbcRhcWfFFMJ2UeFphIlUrHZvPwBJCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T20:36:39.424667Z"},"content_sha256":"e761994eae867a21bb1ac72f467bb68ea53952aa44c2b2678bdf75bc40a55cef","schema_version":"1.0","event_id":"sha256:e761994eae867a21bb1ac72f467bb68ea53952aa44c2b2678bdf75bc40a55cef"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HXW2MPIZLYHZYGSSOVC2U26KUI/bundle.json","state_url":"https://pith.science/pith/HXW2MPIZLYHZYGSSOVC2U26KUI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HXW2MPIZLYHZYGSSOVC2U26KUI/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":"2026-05-25T20:36:39Z","links":{"resolver":"https://pith.science/pith/HXW2MPIZLYHZYGSSOVC2U26KUI","bundle":"https://pith.science/pith/HXW2MPIZLYHZYGSSOVC2U26KUI/bundle.json","state":"https://pith.science/pith/HXW2MPIZLYHZYGSSOVC2U26KUI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HXW2MPIZLYHZYGSSOVC2U26KUI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:HXW2MPIZLYHZYGSSOVC2U26KUI","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":"d317b94524fb9b941e9c903136a283e1d377c4a64eef1153d51c071f5cb2a643","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-08-02T16:45:33Z","title_canon_sha256":"1b38daae9427e96af9c325e5f8171b9325ecd44588756bf624cb057eaf71528f"},"schema_version":"1.0","source":{"id":"1708.00816","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.00816","created_at":"2026-05-18T00:36:02Z"},{"alias_kind":"arxiv_version","alias_value":"1708.00816v1","created_at":"2026-05-18T00:36:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.00816","created_at":"2026-05-18T00:36:02Z"},{"alias_kind":"pith_short_12","alias_value":"HXW2MPIZLYHZ","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_16","alias_value":"HXW2MPIZLYHZYGSS","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_8","alias_value":"HXW2MPIZ","created_at":"2026-05-18T12:31:21Z"}],"graph_snapshots":[{"event_id":"sha256:e761994eae867a21bb1ac72f467bb68ea53952aa44c2b2678bdf75bc40a55cef","target":"graph","created_at":"2026-05-18T00:36:02Z","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":"High-energy gamma rays of interstellar origin are produced by the interaction of cosmic-ray (CR) particles with the diffuse gas and radiation fields in the Galaxy. The main features of this emission are well understood and are reproduced by existing CR propagation models employing 2D Galactocentric cylindrically symmetrical geometry. However, the high-quality data from instruments like the Fermi Large Area Telescope reveal significant deviations from the model predictions on few to tens of degree scales indicating the need to include the details of the Galactic spiral structure and thus requir","authors_text":"Gudlaugur Johannesson, Igor V. Moskalenko, Troy A. Porter","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-08-02T16:45:33Z","title":"High-Energy Gamma Rays from the Milky Way: Three-Dimensional Spatial Models for the Cosmic-Ray and Radiation Field Densities in the Interstellar Medium"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.00816","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:fce2d25127b5927d741fea01c67d8245666ce08cb1d8fbcbefe3c4b0bf3cb36b","target":"record","created_at":"2026-05-18T00:36:02Z","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":"d317b94524fb9b941e9c903136a283e1d377c4a64eef1153d51c071f5cb2a643","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-08-02T16:45:33Z","title_canon_sha256":"1b38daae9427e96af9c325e5f8171b9325ecd44588756bf624cb057eaf71528f"},"schema_version":"1.0","source":{"id":"1708.00816","kind":"arxiv","version":1}},"canonical_sha256":"3deda63d195e0f9c1a527545aa6bcaa223722b1607987062c594817c407d06b7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3deda63d195e0f9c1a527545aa6bcaa223722b1607987062c594817c407d06b7","first_computed_at":"2026-05-18T00:36:02.787863Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:36:02.787863Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VYvWsVioyA3eotnC3XB3vhSRJj+Z7kEARpZC9j09EMbEqQYQFpYXlVdgdY6f0arCo0Nh3QWchtFU/nPhcy8YAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:36:02.788291Z","signed_message":"canonical_sha256_bytes"},"source_id":"1708.00816","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fce2d25127b5927d741fea01c67d8245666ce08cb1d8fbcbefe3c4b0bf3cb36b","sha256:e761994eae867a21bb1ac72f467bb68ea53952aa44c2b2678bdf75bc40a55cef"],"state_sha256":"86e8614e76bc954d0fad47703aa7f04c3d79b40b020638a1188bdaf2f3136a92"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UWuNf+e8nfHmc0c41+bfqZqwekfRZUSHLHA0HKi96D+7urrkpYx8ir0dUHve97ybbbRkW/QNUcZTHMoyBlHvAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T20:36:39.428615Z","bundle_sha256":"519eabe5170019c4b4c0b649b3bdc1c125c4e2fe8e6d704ea5d443f68260975e"}}