{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:5GVMS2OPE3DJ6HBJ766G2OVE5Z","short_pith_number":"pith:5GVMS2OP","canonical_record":{"source":{"id":"1804.08322","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-04-23T10:22:06Z","cross_cats_sorted":[],"title_canon_sha256":"ff8a0d1ca0550c51d1906997c6a9103786894fe0530ef96bc61f66110c0ec070","abstract_canon_sha256":"ff0704c880a207dd55be06342cdafa6b70e88955a2d3fb0661ca7d9076c9e4fd"},"schema_version":"1.0"},"canonical_sha256":"e9aac969cf26c69f1c29ffbc6d3aa4ee6be740e195eba8c3ddc0c0c487afc28e","source":{"kind":"arxiv","id":"1804.08322","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.08322","created_at":"2026-05-18T00:08:42Z"},{"alias_kind":"arxiv_version","alias_value":"1804.08322v1","created_at":"2026-05-18T00:08:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.08322","created_at":"2026-05-18T00:08:42Z"},{"alias_kind":"pith_short_12","alias_value":"5GVMS2OPE3DJ","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_16","alias_value":"5GVMS2OPE3DJ6HBJ","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_8","alias_value":"5GVMS2OP","created_at":"2026-05-18T12:32:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:5GVMS2OPE3DJ6HBJ766G2OVE5Z","target":"record","payload":{"canonical_record":{"source":{"id":"1804.08322","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-04-23T10:22:06Z","cross_cats_sorted":[],"title_canon_sha256":"ff8a0d1ca0550c51d1906997c6a9103786894fe0530ef96bc61f66110c0ec070","abstract_canon_sha256":"ff0704c880a207dd55be06342cdafa6b70e88955a2d3fb0661ca7d9076c9e4fd"},"schema_version":"1.0"},"canonical_sha256":"e9aac969cf26c69f1c29ffbc6d3aa4ee6be740e195eba8c3ddc0c0c487afc28e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:08:42.178070Z","signature_b64":"1teUMnv/CXbC75l6zPFPm/ywMnhBuWJ7qhExJfAvu3i0V8kmaMm6EeVbiUJpSdgJkWrs+V0OTYnWkv58ICnyAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e9aac969cf26c69f1c29ffbc6d3aa4ee6be740e195eba8c3ddc0c0c487afc28e","last_reissued_at":"2026-05-18T00:08:42.177365Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:08:42.177365Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1804.08322","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":"2026-05-18T00:08:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2LM8tetCh/eB55Up4OsfNUX4WkT9zC5AToRXwN3rXw//GQq58hGKD5geLywRJ0FlDvTXJsRz2/Mjk/OsUdOSDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T22:55:48.251170Z"},"content_sha256":"b7ed0515afb7fe79af7e23ce4262991fb563e47348ce484178e28f0c3de2f5f3","schema_version":"1.0","event_id":"sha256:b7ed0515afb7fe79af7e23ce4262991fb563e47348ce484178e28f0c3de2f5f3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:5GVMS2OPE3DJ6HBJ766G2OVE5Z","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The evolving jet spectrum of the neutron star X-ray binary Aql X-1 in transitional states during its 2016 outburst","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. Sanna, C. Bailyn, D. Altamirano, D. M. Russell, F. Lewis, F. Rahoui, J. C. A. Miller-Jones, M. Diaz Trigo, S. Migliari, T. Dincer","submitted_at":"2018-04-23T10:22:06Z","abstract_excerpt":"We report on quasi-simultaneous observations from radio to X-ray frequencies of the neutron star X-ray binary Aql X-1 over accretion state transitions during its 2016 outburst. All the observations show radio to millimetre spectra consistent with emission from a jet, with a spectral break from optically thick to optically thin synchrotron emission that decreases from ~100 GHz to <5.5 GHz during the transition from a hard to a soft accretion state. The 5.5 GHz radio flux density as the source reaches the soft state, 0.82$\\pm$0.03 mJy, is the highest recorded to date for this source. During the "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.08322","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":"2026-05-18T00:08:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FnZS2PN38HEymoXWG+1UhnXEzgfg4sKoO6VrW4IWAAMomluRTfeURlWWbeEoo8+RVebMTGNWLanchSrqUe8HAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T22:55:48.251546Z"},"content_sha256":"b50e5def3ee85e2f17e4f00b6440a48cd1a202084ab1931613e1d4dd6bf51972","schema_version":"1.0","event_id":"sha256:b50e5def3ee85e2f17e4f00b6440a48cd1a202084ab1931613e1d4dd6bf51972"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5GVMS2OPE3DJ6HBJ766G2OVE5Z/bundle.json","state_url":"https://pith.science/pith/5GVMS2OPE3DJ6HBJ766G2OVE5Z/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5GVMS2OPE3DJ6HBJ766G2OVE5Z/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":"2026-06-02T22:55:48Z","links":{"resolver":"https://pith.science/pith/5GVMS2OPE3DJ6HBJ766G2OVE5Z","bundle":"https://pith.science/pith/5GVMS2OPE3DJ6HBJ766G2OVE5Z/bundle.json","state":"https://pith.science/pith/5GVMS2OPE3DJ6HBJ766G2OVE5Z/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5GVMS2OPE3DJ6HBJ766G2OVE5Z/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:5GVMS2OPE3DJ6HBJ766G2OVE5Z","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":"ff0704c880a207dd55be06342cdafa6b70e88955a2d3fb0661ca7d9076c9e4fd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-04-23T10:22:06Z","title_canon_sha256":"ff8a0d1ca0550c51d1906997c6a9103786894fe0530ef96bc61f66110c0ec070"},"schema_version":"1.0","source":{"id":"1804.08322","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.08322","created_at":"2026-05-18T00:08:42Z"},{"alias_kind":"arxiv_version","alias_value":"1804.08322v1","created_at":"2026-05-18T00:08:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.08322","created_at":"2026-05-18T00:08:42Z"},{"alias_kind":"pith_short_12","alias_value":"5GVMS2OPE3DJ","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_16","alias_value":"5GVMS2OPE3DJ6HBJ","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_8","alias_value":"5GVMS2OP","created_at":"2026-05-18T12:32:08Z"}],"graph_snapshots":[{"event_id":"sha256:b50e5def3ee85e2f17e4f00b6440a48cd1a202084ab1931613e1d4dd6bf51972","target":"graph","created_at":"2026-05-18T00:08:42Z","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 report on quasi-simultaneous observations from radio to X-ray frequencies of the neutron star X-ray binary Aql X-1 over accretion state transitions during its 2016 outburst. All the observations show radio to millimetre spectra consistent with emission from a jet, with a spectral break from optically thick to optically thin synchrotron emission that decreases from ~100 GHz to <5.5 GHz during the transition from a hard to a soft accretion state. The 5.5 GHz radio flux density as the source reaches the soft state, 0.82$\\pm$0.03 mJy, is the highest recorded to date for this source. During the ","authors_text":"A. Sanna, C. Bailyn, D. Altamirano, D. M. Russell, F. Lewis, F. Rahoui, J. C. A. Miller-Jones, M. Diaz Trigo, S. Migliari, T. Dincer","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-04-23T10:22:06Z","title":"The evolving jet spectrum of the neutron star X-ray binary Aql X-1 in transitional states during its 2016 outburst"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.08322","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:b7ed0515afb7fe79af7e23ce4262991fb563e47348ce484178e28f0c3de2f5f3","target":"record","created_at":"2026-05-18T00:08:42Z","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":"ff0704c880a207dd55be06342cdafa6b70e88955a2d3fb0661ca7d9076c9e4fd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-04-23T10:22:06Z","title_canon_sha256":"ff8a0d1ca0550c51d1906997c6a9103786894fe0530ef96bc61f66110c0ec070"},"schema_version":"1.0","source":{"id":"1804.08322","kind":"arxiv","version":1}},"canonical_sha256":"e9aac969cf26c69f1c29ffbc6d3aa4ee6be740e195eba8c3ddc0c0c487afc28e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e9aac969cf26c69f1c29ffbc6d3aa4ee6be740e195eba8c3ddc0c0c487afc28e","first_computed_at":"2026-05-18T00:08:42.177365Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:08:42.177365Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1teUMnv/CXbC75l6zPFPm/ywMnhBuWJ7qhExJfAvu3i0V8kmaMm6EeVbiUJpSdgJkWrs+V0OTYnWkv58ICnyAg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:08:42.178070Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.08322","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b7ed0515afb7fe79af7e23ce4262991fb563e47348ce484178e28f0c3de2f5f3","sha256:b50e5def3ee85e2f17e4f00b6440a48cd1a202084ab1931613e1d4dd6bf51972"],"state_sha256":"7f0b67f595a950c6eee45a6d25b276a2c7f696744cf6a9ebd60d987f7f2b9e23"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"awIe7xdRk5TY0zBVWZ+QjPvL9imjLixA/hFkVbhGS162PegHU+ZYA4YXwMOmNM8FvfJ/+kK96wYrQHbDuGEmDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T22:55:48.253506Z","bundle_sha256":"0029f9188ab2e5c3147edabfd3016e2b47144b263cfd0ec10450a4b996bb2202"}}