{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:S3L3M2U3HUXISHMDOZRORLB43V","short_pith_number":"pith:S3L3M2U3","canonical_record":{"source":{"id":"1509.08941","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-09-29T20:18:51Z","cross_cats_sorted":[],"title_canon_sha256":"1d1de40b4855415371f4f99972641baf3dc23f710a5c9189092aef91af1fc397","abstract_canon_sha256":"965169d7be6bb74e97b1775378b189c07c0ea8409ba453508b4f567e9f652403"},"schema_version":"1.0"},"canonical_sha256":"96d7b66a9b3d2e891d837662e8ac3cdd4903dd80852ac1aa05d6bcc34458abcb","source":{"kind":"arxiv","id":"1509.08941","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.08941","created_at":"2026-05-18T01:14:03Z"},{"alias_kind":"arxiv_version","alias_value":"1509.08941v2","created_at":"2026-05-18T01:14:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.08941","created_at":"2026-05-18T01:14:03Z"},{"alias_kind":"pith_short_12","alias_value":"S3L3M2U3HUXI","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_16","alias_value":"S3L3M2U3HUXISHMD","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_8","alias_value":"S3L3M2U3","created_at":"2026-05-18T12:29:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:S3L3M2U3HUXISHMDOZRORLB43V","target":"record","payload":{"canonical_record":{"source":{"id":"1509.08941","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-09-29T20:18:51Z","cross_cats_sorted":[],"title_canon_sha256":"1d1de40b4855415371f4f99972641baf3dc23f710a5c9189092aef91af1fc397","abstract_canon_sha256":"965169d7be6bb74e97b1775378b189c07c0ea8409ba453508b4f567e9f652403"},"schema_version":"1.0"},"canonical_sha256":"96d7b66a9b3d2e891d837662e8ac3cdd4903dd80852ac1aa05d6bcc34458abcb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:14:03.214056Z","signature_b64":"Bqxin4eH1A0aZ95XHuRweAYMzy7MnzjPw4FXv6jjJwugajsvDiDMgBdxEbexgFt7PoIQmUJqFfe+6T8InmLOAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"96d7b66a9b3d2e891d837662e8ac3cdd4903dd80852ac1aa05d6bcc34458abcb","last_reissued_at":"2026-05-18T01:14:03.213497Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:14:03.213497Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1509.08941","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:14:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ffpKkafzo2M0+jggaYSwEQz3at+1VXkkbGcfdUsDzzrMYhA2KwU0zJxTq14d8CAVyv3vzdDJ/VNvkzVWkSfYAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T12:14:08.604787Z"},"content_sha256":"b71a737c0281f297c14b754393a97f1678c5843c3b67e205f58bd6bc1689dc87","schema_version":"1.0","event_id":"sha256:b71a737c0281f297c14b754393a97f1678c5843c3b67e205f58bd6bc1689dc87"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:S3L3M2U3HUXISHMDOZRORLB43V","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"X-ray Spectral Analysis of the Steady States of GRS 1915+105","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Charith S. Peris, Guy Pooley, James F. Steiner, Jerome Rodriguez, Peggy Varniere, Ronald A. Remillard, Saeqa D. Vrtilek","submitted_at":"2015-09-29T20:18:51Z","abstract_excerpt":"We report on the X-ray spectral behavior within the steady states of GRS 1915+105. Our work is based on the full data set on the source obtained using the Proportional Counter Array on the Rossi X-ray Timing Explorer and 15 GHz radio data obtained using the Ryle Telescope. The steady observations within the X-ray data set naturally separated into two regions in the color-color diagram and we refer to them as steady-soft and steady-hard. GRS 1915+105 displays significant curvature in the coronal component in both the soft and hard data within the {\\it RXTE}/PCA bandpass. A majority of the stead"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.08941","kind":"arxiv","version":2},"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":"2026-05-18T01:14:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KxnBDbAsQx1UyIMW8BzvNpH7nDZwNfLKVSTgczN6b2Dd+hfE8TC56MHIrpnZ+DS4+8iA/IpZBReL+Ef0o4KPBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T12:14:08.605435Z"},"content_sha256":"8bba9245cfbfe2e28ba0ad1b80cd7da5e1bdc796cb04b442362159d9dc51d5ec","schema_version":"1.0","event_id":"sha256:8bba9245cfbfe2e28ba0ad1b80cd7da5e1bdc796cb04b442362159d9dc51d5ec"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/S3L3M2U3HUXISHMDOZRORLB43V/bundle.json","state_url":"https://pith.science/pith/S3L3M2U3HUXISHMDOZRORLB43V/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/S3L3M2U3HUXISHMDOZRORLB43V/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":"2026-05-24T12:14:08Z","links":{"resolver":"https://pith.science/pith/S3L3M2U3HUXISHMDOZRORLB43V","bundle":"https://pith.science/pith/S3L3M2U3HUXISHMDOZRORLB43V/bundle.json","state":"https://pith.science/pith/S3L3M2U3HUXISHMDOZRORLB43V/state.json","well_known_bundle":"https://pith.science/.well-known/pith/S3L3M2U3HUXISHMDOZRORLB43V/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:S3L3M2U3HUXISHMDOZRORLB43V","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":"965169d7be6bb74e97b1775378b189c07c0ea8409ba453508b4f567e9f652403","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-09-29T20:18:51Z","title_canon_sha256":"1d1de40b4855415371f4f99972641baf3dc23f710a5c9189092aef91af1fc397"},"schema_version":"1.0","source":{"id":"1509.08941","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.08941","created_at":"2026-05-18T01:14:03Z"},{"alias_kind":"arxiv_version","alias_value":"1509.08941v2","created_at":"2026-05-18T01:14:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.08941","created_at":"2026-05-18T01:14:03Z"},{"alias_kind":"pith_short_12","alias_value":"S3L3M2U3HUXI","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_16","alias_value":"S3L3M2U3HUXISHMD","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_8","alias_value":"S3L3M2U3","created_at":"2026-05-18T12:29:39Z"}],"graph_snapshots":[{"event_id":"sha256:8bba9245cfbfe2e28ba0ad1b80cd7da5e1bdc796cb04b442362159d9dc51d5ec","target":"graph","created_at":"2026-05-18T01:14:03Z","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 the X-ray spectral behavior within the steady states of GRS 1915+105. Our work is based on the full data set on the source obtained using the Proportional Counter Array on the Rossi X-ray Timing Explorer and 15 GHz radio data obtained using the Ryle Telescope. The steady observations within the X-ray data set naturally separated into two regions in the color-color diagram and we refer to them as steady-soft and steady-hard. GRS 1915+105 displays significant curvature in the coronal component in both the soft and hard data within the {\\it RXTE}/PCA bandpass. A majority of the stead","authors_text":"Charith S. Peris, Guy Pooley, James F. Steiner, Jerome Rodriguez, Peggy Varniere, Ronald A. Remillard, Saeqa D. Vrtilek","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-09-29T20:18:51Z","title":"X-ray Spectral Analysis of the Steady States of GRS 1915+105"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.08941","kind":"arxiv","version":2},"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:b71a737c0281f297c14b754393a97f1678c5843c3b67e205f58bd6bc1689dc87","target":"record","created_at":"2026-05-18T01:14:03Z","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":"965169d7be6bb74e97b1775378b189c07c0ea8409ba453508b4f567e9f652403","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-09-29T20:18:51Z","title_canon_sha256":"1d1de40b4855415371f4f99972641baf3dc23f710a5c9189092aef91af1fc397"},"schema_version":"1.0","source":{"id":"1509.08941","kind":"arxiv","version":2}},"canonical_sha256":"96d7b66a9b3d2e891d837662e8ac3cdd4903dd80852ac1aa05d6bcc34458abcb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"96d7b66a9b3d2e891d837662e8ac3cdd4903dd80852ac1aa05d6bcc34458abcb","first_computed_at":"2026-05-18T01:14:03.213497Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:14:03.213497Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Bqxin4eH1A0aZ95XHuRweAYMzy7MnzjPw4FXv6jjJwugajsvDiDMgBdxEbexgFt7PoIQmUJqFfe+6T8InmLOAw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:14:03.214056Z","signed_message":"canonical_sha256_bytes"},"source_id":"1509.08941","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b71a737c0281f297c14b754393a97f1678c5843c3b67e205f58bd6bc1689dc87","sha256:8bba9245cfbfe2e28ba0ad1b80cd7da5e1bdc796cb04b442362159d9dc51d5ec"],"state_sha256":"e23316093473e0b4f56fd930200e28d42ff1444a79eb0de9c0759a12acab2f94"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ORPSeEMkkfskh1yG4Pe9vZJLLXpf7tFMgPWyfg9xXPJ//QRu02aelNzpjQ76FqErA3RZYgMhQrns7G1l91lJDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-24T12:14:08.608853Z","bundle_sha256":"2ee7fe29d2525bc2f347d655e0cdb5fb67b762d9313870f604198c79e85957be"}}