{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2003:PMRNZCR4ZMDT7VOIWVRM2FZVZ3","short_pith_number":"pith:PMRNZCR4","canonical_record":{"source":{"id":"astro-ph/0310680","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-10-23T13:08:51Z","cross_cats_sorted":[],"title_canon_sha256":"4c6ea74e45472c4ae74348b8a290bc0e861ff394c2401d077685d08038cb5df2","abstract_canon_sha256":"34909ca097dfe8eeea1222dc59e55136323d10a3dae557af98588eb9d4f60fd6"},"schema_version":"1.0"},"canonical_sha256":"7b22dc8a3ccb073fd5c8b562cd1735ced233c8398f005b2f941df4d1c28cb01e","source":{"kind":"arxiv","id":"astro-ph/0310680","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0310680","created_at":"2026-07-04T16:37:36Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0310680v1","created_at":"2026-07-04T16:37:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0310680","created_at":"2026-07-04T16:37:36Z"},{"alias_kind":"pith_short_12","alias_value":"PMRNZCR4ZMDT","created_at":"2026-07-04T16:37:36Z"},{"alias_kind":"pith_short_16","alias_value":"PMRNZCR4ZMDT7VOI","created_at":"2026-07-04T16:37:36Z"},{"alias_kind":"pith_short_8","alias_value":"PMRNZCR4","created_at":"2026-07-04T16:37:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2003:PMRNZCR4ZMDT7VOIWVRM2FZVZ3","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0310680","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-10-23T13:08:51Z","cross_cats_sorted":[],"title_canon_sha256":"4c6ea74e45472c4ae74348b8a290bc0e861ff394c2401d077685d08038cb5df2","abstract_canon_sha256":"34909ca097dfe8eeea1222dc59e55136323d10a3dae557af98588eb9d4f60fd6"},"schema_version":"1.0"},"canonical_sha256":"7b22dc8a3ccb073fd5c8b562cd1735ced233c8398f005b2f941df4d1c28cb01e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:37:36.275158Z","signature_b64":"za5zaL1HueCZRPRnqOIDJ8Py2cCra9esb3ff5DfwCJ7BLjKFqW8c8q9hSptwDZW7W85FSr+4gTpsVevYAL5oAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7b22dc8a3ccb073fd5c8b562cd1735ced233c8398f005b2f941df4d1c28cb01e","last_reissued_at":"2026-07-04T16:37:36.274713Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:37:36.274713Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0310680","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":"2026-07-04T16:37:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YJ7A2WWesR1TY/FWL3Llxzj3nRKHNSRSZ6ncK+RYoXZwKvuDvHKA2T/CrZ8GcuLRDwbCDLel2rAb6JC9+gbdCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T04:16:58.416307Z"},"content_sha256":"cf7f9594365e45f11ef34fa45c668b9388b18326e6b3ee372c89b7181343ef06","schema_version":"1.0","event_id":"sha256:cf7f9594365e45f11ef34fa45c668b9388b18326e6b3ee372c89b7181343ef06"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2003:PMRNZCR4ZMDT7VOIWVRM2FZVZ3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the optical extinction and distance of GRS 1915+105","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"2), 3) ((1) Service d'Astrophysique, C. Chapuis (1, CEA Saclay (2) Universite de Versailles (3) Universite Paris VII), S. Corbel (1","submitted_at":"2003-10-23T13:08:51Z","abstract_excerpt":"Based on new millimeter and radio observations, we reevaluate the total hydrogen column density along the line of sight to the microquasar GRS 1915+105 to NH=(3.5 +/- 0.3) 10^22 cm^-2. Our value is consistent with the one derived from X-ray measurements, namely (3.8 +/- 0.3) 10^22 cm^-2 (Ebisawa et al. 1998). Using the empirical law between the visual extinction and the total column density of hydrogen, Av is found to 19.6 +/- 1.7 mag. This result is 7 mag lower than previously thought, and therefore, a reevaluation of infrared fluxes after derredening is needed. The revisited kinematic study "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0310680","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/astro-ph/0310680/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":"2026-07-04T16:37:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FF9SbLWxAvaz5oyFbo1GTfkpDyMQs4H+FarHbj8sgTHVocHcHfxTO8siHdPt1kkqGC1GjBmB8aKVwb/qBV0MBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T04:16:58.416826Z"},"content_sha256":"0d29e57181fb3ec936b52a7ad28c9e69e31f5a444fc65e66597caec913883072","schema_version":"1.0","event_id":"sha256:0d29e57181fb3ec936b52a7ad28c9e69e31f5a444fc65e66597caec913883072"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PMRNZCR4ZMDT7VOIWVRM2FZVZ3/bundle.json","state_url":"https://pith.science/pith/PMRNZCR4ZMDT7VOIWVRM2FZVZ3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PMRNZCR4ZMDT7VOIWVRM2FZVZ3/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":"2026-08-05T04:16:58Z","links":{"resolver":"https://pith.science/pith/PMRNZCR4ZMDT7VOIWVRM2FZVZ3","bundle":"https://pith.science/pith/PMRNZCR4ZMDT7VOIWVRM2FZVZ3/bundle.json","state":"https://pith.science/pith/PMRNZCR4ZMDT7VOIWVRM2FZVZ3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PMRNZCR4ZMDT7VOIWVRM2FZVZ3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:PMRNZCR4ZMDT7VOIWVRM2FZVZ3","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":"34909ca097dfe8eeea1222dc59e55136323d10a3dae557af98588eb9d4f60fd6","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-10-23T13:08:51Z","title_canon_sha256":"4c6ea74e45472c4ae74348b8a290bc0e861ff394c2401d077685d08038cb5df2"},"schema_version":"1.0","source":{"id":"astro-ph/0310680","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0310680","created_at":"2026-07-04T16:37:36Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0310680v1","created_at":"2026-07-04T16:37:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0310680","created_at":"2026-07-04T16:37:36Z"},{"alias_kind":"pith_short_12","alias_value":"PMRNZCR4ZMDT","created_at":"2026-07-04T16:37:36Z"},{"alias_kind":"pith_short_16","alias_value":"PMRNZCR4ZMDT7VOI","created_at":"2026-07-04T16:37:36Z"},{"alias_kind":"pith_short_8","alias_value":"PMRNZCR4","created_at":"2026-07-04T16:37:36Z"}],"graph_snapshots":[{"event_id":"sha256:0d29e57181fb3ec936b52a7ad28c9e69e31f5a444fc65e66597caec913883072","target":"graph","created_at":"2026-07-04T16:37:36Z","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/astro-ph/0310680/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Based on new millimeter and radio observations, we reevaluate the total hydrogen column density along the line of sight to the microquasar GRS 1915+105 to NH=(3.5 +/- 0.3) 10^22 cm^-2. Our value is consistent with the one derived from X-ray measurements, namely (3.8 +/- 0.3) 10^22 cm^-2 (Ebisawa et al. 1998). Using the empirical law between the visual extinction and the total column density of hydrogen, Av is found to 19.6 +/- 1.7 mag. This result is 7 mag lower than previously thought, and therefore, a reevaluation of infrared fluxes after derredening is needed. The revisited kinematic study ","authors_text":"2), 3) ((1) Service d'Astrophysique, C. Chapuis (1, CEA Saclay (2) Universite de Versailles (3) Universite Paris VII), S. Corbel (1","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2003-10-23T13:08:51Z","title":"On the optical extinction and distance of GRS 1915+105"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0310680","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:cf7f9594365e45f11ef34fa45c668b9388b18326e6b3ee372c89b7181343ef06","target":"record","created_at":"2026-07-04T16:37:36Z","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":"34909ca097dfe8eeea1222dc59e55136323d10a3dae557af98588eb9d4f60fd6","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-10-23T13:08:51Z","title_canon_sha256":"4c6ea74e45472c4ae74348b8a290bc0e861ff394c2401d077685d08038cb5df2"},"schema_version":"1.0","source":{"id":"astro-ph/0310680","kind":"arxiv","version":1}},"canonical_sha256":"7b22dc8a3ccb073fd5c8b562cd1735ced233c8398f005b2f941df4d1c28cb01e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7b22dc8a3ccb073fd5c8b562cd1735ced233c8398f005b2f941df4d1c28cb01e","first_computed_at":"2026-07-04T16:37:36.274713Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:37:36.274713Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"za5zaL1HueCZRPRnqOIDJ8Py2cCra9esb3ff5DfwCJ7BLjKFqW8c8q9hSptwDZW7W85FSr+4gTpsVevYAL5oAQ==","signature_status":"signed_v1","signed_at":"2026-07-04T16:37:36.275158Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0310680","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cf7f9594365e45f11ef34fa45c668b9388b18326e6b3ee372c89b7181343ef06","sha256:0d29e57181fb3ec936b52a7ad28c9e69e31f5a444fc65e66597caec913883072"],"state_sha256":"dcccdcd104729fccba10497e6811a45c1c0ae5e96cdbdc5fb67b4413d0f0bb33"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5J0PAMaOnMhLr+1F0Hc5mA/q48nGRIvKiKEO22+XNp4lOkqIHjRB/58L2JRHH65IzF76Jh+RdyfIUYQ1C/azCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T04:16:58.420895Z","bundle_sha256":"1cfc8f99fc6af233bd3254233ad46c22ad0a2c441141df7b664c0402c344e0bc"}}