{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:ZCNIQSXYT57MMN3TSTWUIQB4SY","short_pith_number":"pith:ZCNIQSXY","canonical_record":{"source":{"id":"2102.02424","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-02-04T05:53:30Z","cross_cats_sorted":[],"title_canon_sha256":"a5bd3b27a310ef4aec7eb9228f2a5a8d2947b82287f7beda268314307d837bf8","abstract_canon_sha256":"52977347e1e4e7c16b32eff18f75ff1415d0f076aba1d55b6c1ed02c7492512b"},"schema_version":"1.0"},"canonical_sha256":"c89a884af89f7ec6377394ed44403c961787dec3c6628f621ce311d6660a68cd","source":{"kind":"arxiv","id":"2102.02424","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2102.02424","created_at":"2026-07-05T03:08:25Z"},{"alias_kind":"arxiv_version","alias_value":"2102.02424v1","created_at":"2026-07-05T03:08:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2102.02424","created_at":"2026-07-05T03:08:25Z"},{"alias_kind":"pith_short_12","alias_value":"ZCNIQSXYT57M","created_at":"2026-07-05T03:08:25Z"},{"alias_kind":"pith_short_16","alias_value":"ZCNIQSXYT57MMN3T","created_at":"2026-07-05T03:08:25Z"},{"alias_kind":"pith_short_8","alias_value":"ZCNIQSXY","created_at":"2026-07-05T03:08:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:ZCNIQSXYT57MMN3TSTWUIQB4SY","target":"record","payload":{"canonical_record":{"source":{"id":"2102.02424","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-02-04T05:53:30Z","cross_cats_sorted":[],"title_canon_sha256":"a5bd3b27a310ef4aec7eb9228f2a5a8d2947b82287f7beda268314307d837bf8","abstract_canon_sha256":"52977347e1e4e7c16b32eff18f75ff1415d0f076aba1d55b6c1ed02c7492512b"},"schema_version":"1.0"},"canonical_sha256":"c89a884af89f7ec6377394ed44403c961787dec3c6628f621ce311d6660a68cd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:08:25.079556Z","signature_b64":"UbXlqRLoYAeKjLvnfUfqmYKQ0XLtX2QI1eZbTV+gM70us8KC9XuLzhL1jXypTBRkZmR6FIrqrCknq1T3ad2mBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c89a884af89f7ec6377394ed44403c961787dec3c6628f621ce311d6660a68cd","last_reissued_at":"2026-07-05T03:08:25.079041Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:08:25.079041Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2102.02424","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":"2026-07-05T03:08:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"67NN0I3z6IV0k4GNhtpLMKlaPkyRvOMrwtHRPkPgr5Kk3ruapzyAEevy8EOQJoejBsvJccw26N5jbXi/7l/5BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T04:54:44.622465Z"},"content_sha256":"d25ceac9adda323fcc53f041a0ab1536fd22caf4a8be271d33598ff32a574269","schema_version":"1.0","event_id":"sha256:d25ceac9adda323fcc53f041a0ab1536fd22caf4a8be271d33598ff32a574269"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:ZCNIQSXYT57MMN3TSTWUIQB4SY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Accretion Flow Properties of GRS 1716-249 during its 2016-17 'failed' Outburst","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Arghajit Jana, Debjit Chatterjee, Dipak Debnath, Kaushik Chatterjee, Riya Bhowmick, Sandip K. Chakrabarti, Sujoy Kumar Nath","submitted_at":"2021-02-04T05:53:30Z","abstract_excerpt":"In $2016-17$, the Galactic transient black hole candidate GRS 1716-249 exhibited an outburst event after a long period of quiescence of almost 23 years. The source remained in the outbursting phase for $\\sim 9$ months. We study the spectral and temporal properties of the source during this outburst using archival data from four astronomy satellites, namely MAXI, Swift, NuSTAR and AstroSat. Initial spectral analysis is done using combined disk black body and power-law models. For a better understanding of the accretion flow properties, we studied spectra with the physical two component advectiv"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2102.02424","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2102.02424/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T03:08:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NFVxvFLly0cXb6urQwNGxBrcHhMFKPhT8eu3CLebF3CXD1wjLsewW6gzr/ZVW61T+FGRSoYhp9A7S+QsrzVXCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T04:54:44.622973Z"},"content_sha256":"16632a891a9b9baf532ff8d12fa3ba495ca994084b5dd22cef965329f5c21d6c","schema_version":"1.0","event_id":"sha256:16632a891a9b9baf532ff8d12fa3ba495ca994084b5dd22cef965329f5c21d6c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZCNIQSXYT57MMN3TSTWUIQB4SY/bundle.json","state_url":"https://pith.science/pith/ZCNIQSXYT57MMN3TSTWUIQB4SY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZCNIQSXYT57MMN3TSTWUIQB4SY/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":"2026-08-08T04:54:44Z","links":{"resolver":"https://pith.science/pith/ZCNIQSXYT57MMN3TSTWUIQB4SY","bundle":"https://pith.science/pith/ZCNIQSXYT57MMN3TSTWUIQB4SY/bundle.json","state":"https://pith.science/pith/ZCNIQSXYT57MMN3TSTWUIQB4SY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZCNIQSXYT57MMN3TSTWUIQB4SY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:ZCNIQSXYT57MMN3TSTWUIQB4SY","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":"52977347e1e4e7c16b32eff18f75ff1415d0f076aba1d55b6c1ed02c7492512b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-02-04T05:53:30Z","title_canon_sha256":"a5bd3b27a310ef4aec7eb9228f2a5a8d2947b82287f7beda268314307d837bf8"},"schema_version":"1.0","source":{"id":"2102.02424","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2102.02424","created_at":"2026-07-05T03:08:25Z"},{"alias_kind":"arxiv_version","alias_value":"2102.02424v1","created_at":"2026-07-05T03:08:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2102.02424","created_at":"2026-07-05T03:08:25Z"},{"alias_kind":"pith_short_12","alias_value":"ZCNIQSXYT57M","created_at":"2026-07-05T03:08:25Z"},{"alias_kind":"pith_short_16","alias_value":"ZCNIQSXYT57MMN3T","created_at":"2026-07-05T03:08:25Z"},{"alias_kind":"pith_short_8","alias_value":"ZCNIQSXY","created_at":"2026-07-05T03:08:25Z"}],"graph_snapshots":[{"event_id":"sha256:16632a891a9b9baf532ff8d12fa3ba495ca994084b5dd22cef965329f5c21d6c","target":"graph","created_at":"2026-07-05T03:08:25Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2102.02424/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In $2016-17$, the Galactic transient black hole candidate GRS 1716-249 exhibited an outburst event after a long period of quiescence of almost 23 years. The source remained in the outbursting phase for $\\sim 9$ months. We study the spectral and temporal properties of the source during this outburst using archival data from four astronomy satellites, namely MAXI, Swift, NuSTAR and AstroSat. Initial spectral analysis is done using combined disk black body and power-law models. For a better understanding of the accretion flow properties, we studied spectra with the physical two component advectiv","authors_text":"Arghajit Jana, Debjit Chatterjee, Dipak Debnath, Kaushik Chatterjee, Riya Bhowmick, Sandip K. Chakrabarti, Sujoy Kumar Nath","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-02-04T05:53:30Z","title":"Accretion Flow Properties of GRS 1716-249 during its 2016-17 'failed' Outburst"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2102.02424","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:d25ceac9adda323fcc53f041a0ab1536fd22caf4a8be271d33598ff32a574269","target":"record","created_at":"2026-07-05T03:08:25Z","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":"52977347e1e4e7c16b32eff18f75ff1415d0f076aba1d55b6c1ed02c7492512b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-02-04T05:53:30Z","title_canon_sha256":"a5bd3b27a310ef4aec7eb9228f2a5a8d2947b82287f7beda268314307d837bf8"},"schema_version":"1.0","source":{"id":"2102.02424","kind":"arxiv","version":1}},"canonical_sha256":"c89a884af89f7ec6377394ed44403c961787dec3c6628f621ce311d6660a68cd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c89a884af89f7ec6377394ed44403c961787dec3c6628f621ce311d6660a68cd","first_computed_at":"2026-07-05T03:08:25.079041Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:08:25.079041Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UbXlqRLoYAeKjLvnfUfqmYKQ0XLtX2QI1eZbTV+gM70us8KC9XuLzhL1jXypTBRkZmR6FIrqrCknq1T3ad2mBg==","signature_status":"signed_v1","signed_at":"2026-07-05T03:08:25.079556Z","signed_message":"canonical_sha256_bytes"},"source_id":"2102.02424","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d25ceac9adda323fcc53f041a0ab1536fd22caf4a8be271d33598ff32a574269","sha256:16632a891a9b9baf532ff8d12fa3ba495ca994084b5dd22cef965329f5c21d6c"],"state_sha256":"d07816ecf341014e311f61043e7c2e332c6c643ecb9385a0d7c3dffe995cb80b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iRWEl6Kz7NkUYbhm/GViFK36zNVxvr3OnnX6zPKRFYp47Rm8f8JJPY52yZAv+s41lKrfLqNpxaL/0/luUlDJDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T04:54:44.626652Z","bundle_sha256":"20ad9d595dda78e6a8e341f9166f7ced4f07143da1c477c444ed22d165429cda"}}