{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:GWL46ZOJHL227A7YVUTA5SKJ2D","short_pith_number":"pith:GWL46ZOJ","canonical_record":{"source":{"id":"1601.06534","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-01-25T09:53:54Z","cross_cats_sorted":[],"title_canon_sha256":"c1493adcef3fe09448d48dbacc21c0f49ca8302a192d0c1410837ce959b69a78","abstract_canon_sha256":"3cfdafd6f14a3572f6449ca729a2f476ae67b8c5023588d897ba431a18fd813d"},"schema_version":"1.0"},"canonical_sha256":"3597cf65c93af5af83f8ad260ec949d0e0e1b3fea5472bc258e7070550734641","source":{"kind":"arxiv","id":"1601.06534","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.06534","created_at":"2026-05-18T00:59:58Z"},{"alias_kind":"arxiv_version","alias_value":"1601.06534v1","created_at":"2026-05-18T00:59:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.06534","created_at":"2026-05-18T00:59:58Z"},{"alias_kind":"pith_short_12","alias_value":"GWL46ZOJHL22","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_16","alias_value":"GWL46ZOJHL227A7Y","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_8","alias_value":"GWL46ZOJ","created_at":"2026-05-18T12:30:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:GWL46ZOJHL227A7YVUTA5SKJ2D","target":"record","payload":{"canonical_record":{"source":{"id":"1601.06534","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-01-25T09:53:54Z","cross_cats_sorted":[],"title_canon_sha256":"c1493adcef3fe09448d48dbacc21c0f49ca8302a192d0c1410837ce959b69a78","abstract_canon_sha256":"3cfdafd6f14a3572f6449ca729a2f476ae67b8c5023588d897ba431a18fd813d"},"schema_version":"1.0"},"canonical_sha256":"3597cf65c93af5af83f8ad260ec949d0e0e1b3fea5472bc258e7070550734641","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:59:58.776820Z","signature_b64":"VO6xeKG0KjX38FM1quSf4RkehtxQ9RrdHLmpMNpo1BXZNEzSzMWXIo3872ywJI6bGxaLzW0Dje8vlnozY4rCBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3597cf65c93af5af83f8ad260ec949d0e0e1b3fea5472bc258e7070550734641","last_reissued_at":"2026-05-18T00:59:58.776075Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:59:58.776075Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1601.06534","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":"2026-05-18T00:59:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"y3Lml5C/UKyTLsoOa4geb9DAyKn1tF/6W7U6EoFVudNQ9w/dYGMufw8KhgKeiQSMzOYzs4OLpJgyo7NdoRmIBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T08:18:19.871578Z"},"content_sha256":"49182abc177968ff022e7e74b499eb8a14a4cacf37bea668bd4933589cf99f2c","schema_version":"1.0","event_id":"sha256:49182abc177968ff022e7e74b499eb8a14a4cacf37bea668bd4933589cf99f2c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:GWL46ZOJHL227A7YVUTA5SKJ2D","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Deep morphological and spectral study of the SNR RCW 86 with Fermi-LAT","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"D. Green, E. Giacani, G. Dubner, I. Jung-Richardt, J. Vink, L. Duvidovich, The Fermi-LAT Collaboration","submitted_at":"2016-01-25T09:53:54Z","abstract_excerpt":"RCW 86 is a young supernova remnant (SNR) showing a shell-type structure at several wavelengths and is thought to be an efficient cosmic-ray (CR) accelerator. Earlier \\textit{Fermi} Large Area Telescope results reported the detection of $\\gamma$-ray emission coincident with the position of RCW 86 but its origin (leptonic or hadronic) remained unclear due to the poor statistics. Thanks to 6.5 years of data acquired by the \\textit{Fermi}-LAT and the new event reconstruction Pass 8, we report the significant detection of spatially extended emission coming from RCW 86. The spectrum is described by"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.06534","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":"2026-05-18T00:59:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"G8EBh1oB9RVwsQ3rRqQXjSMHmp2waUwjhxJVcHjfu2oaxvTgA4uQ4iyePLuI13Z8UBwVvA4tNyl82w7kKwGHAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T08:18:19.871922Z"},"content_sha256":"6384b21b5674a4e2c2ea79ecef6de7a5a6196fb843be9b896fdda61ddb92de27","schema_version":"1.0","event_id":"sha256:6384b21b5674a4e2c2ea79ecef6de7a5a6196fb843be9b896fdda61ddb92de27"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GWL46ZOJHL227A7YVUTA5SKJ2D/bundle.json","state_url":"https://pith.science/pith/GWL46ZOJHL227A7YVUTA5SKJ2D/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GWL46ZOJHL227A7YVUTA5SKJ2D/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":"2026-06-03T08:18:19Z","links":{"resolver":"https://pith.science/pith/GWL46ZOJHL227A7YVUTA5SKJ2D","bundle":"https://pith.science/pith/GWL46ZOJHL227A7YVUTA5SKJ2D/bundle.json","state":"https://pith.science/pith/GWL46ZOJHL227A7YVUTA5SKJ2D/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GWL46ZOJHL227A7YVUTA5SKJ2D/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:GWL46ZOJHL227A7YVUTA5SKJ2D","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":"3cfdafd6f14a3572f6449ca729a2f476ae67b8c5023588d897ba431a18fd813d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-01-25T09:53:54Z","title_canon_sha256":"c1493adcef3fe09448d48dbacc21c0f49ca8302a192d0c1410837ce959b69a78"},"schema_version":"1.0","source":{"id":"1601.06534","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.06534","created_at":"2026-05-18T00:59:58Z"},{"alias_kind":"arxiv_version","alias_value":"1601.06534v1","created_at":"2026-05-18T00:59:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.06534","created_at":"2026-05-18T00:59:58Z"},{"alias_kind":"pith_short_12","alias_value":"GWL46ZOJHL22","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_16","alias_value":"GWL46ZOJHL227A7Y","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_8","alias_value":"GWL46ZOJ","created_at":"2026-05-18T12:30:19Z"}],"graph_snapshots":[{"event_id":"sha256:6384b21b5674a4e2c2ea79ecef6de7a5a6196fb843be9b896fdda61ddb92de27","target":"graph","created_at":"2026-05-18T00:59:58Z","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":"RCW 86 is a young supernova remnant (SNR) showing a shell-type structure at several wavelengths and is thought to be an efficient cosmic-ray (CR) accelerator. Earlier \\textit{Fermi} Large Area Telescope results reported the detection of $\\gamma$-ray emission coincident with the position of RCW 86 but its origin (leptonic or hadronic) remained unclear due to the poor statistics. Thanks to 6.5 years of data acquired by the \\textit{Fermi}-LAT and the new event reconstruction Pass 8, we report the significant detection of spatially extended emission coming from RCW 86. The spectrum is described by","authors_text":"D. Green, E. Giacani, G. Dubner, I. Jung-Richardt, J. Vink, L. Duvidovich, The Fermi-LAT Collaboration","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-01-25T09:53:54Z","title":"Deep morphological and spectral study of the SNR RCW 86 with Fermi-LAT"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.06534","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":"sha256:49182abc177968ff022e7e74b499eb8a14a4cacf37bea668bd4933589cf99f2c","target":"record","created_at":"2026-05-18T00:59:58Z","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":"3cfdafd6f14a3572f6449ca729a2f476ae67b8c5023588d897ba431a18fd813d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-01-25T09:53:54Z","title_canon_sha256":"c1493adcef3fe09448d48dbacc21c0f49ca8302a192d0c1410837ce959b69a78"},"schema_version":"1.0","source":{"id":"1601.06534","kind":"arxiv","version":1}},"canonical_sha256":"3597cf65c93af5af83f8ad260ec949d0e0e1b3fea5472bc258e7070550734641","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3597cf65c93af5af83f8ad260ec949d0e0e1b3fea5472bc258e7070550734641","first_computed_at":"2026-05-18T00:59:58.776075Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:59:58.776075Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VO6xeKG0KjX38FM1quSf4RkehtxQ9RrdHLmpMNpo1BXZNEzSzMWXIo3872ywJI6bGxaLzW0Dje8vlnozY4rCBw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:59:58.776820Z","signed_message":"canonical_sha256_bytes"},"source_id":"1601.06534","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:49182abc177968ff022e7e74b499eb8a14a4cacf37bea668bd4933589cf99f2c","sha256:6384b21b5674a4e2c2ea79ecef6de7a5a6196fb843be9b896fdda61ddb92de27"],"state_sha256":"bb25df80fca5ca15a1cef09e18a3bdb308dcad1b7fc7b13e364ba0cf73f039f2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"L3Vtkm10GMKigJeKeVp+zgzKgRvSRDYOn+zdh4M/d1Tcsf2IyNYAxAUxbdtlbocHOt7TvXIekHt3MU/ZQqXTCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T08:18:19.873846Z","bundle_sha256":"afb26e88d955353ab630dc507264ef61561bca3a448856c163821bd25482a9a3"}}