{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:EDBM3RTUG4L5N4WLTIKMY42EBE","short_pith_number":"pith:EDBM3RTU","canonical_record":{"source":{"id":"1303.0750","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-03-04T16:28:06Z","cross_cats_sorted":[],"title_canon_sha256":"caae987f6a3ab101ddd3e5e84007761b75cf512a157cc2689e3a151232424f9b","abstract_canon_sha256":"b37f42a3397419b9b2de9876b783685c15e8c6136960a29f92f88e825cff8a0e"},"schema_version":"1.0"},"canonical_sha256":"20c2cdc6743717d6f2cb9a14cc73440933619a924fdf25ba978371a239e2b2ba","source":{"kind":"arxiv","id":"1303.0750","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.0750","created_at":"2026-05-18T01:51:17Z"},{"alias_kind":"arxiv_version","alias_value":"1303.0750v2","created_at":"2026-05-18T01:51:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.0750","created_at":"2026-05-18T01:51:17Z"},{"alias_kind":"pith_short_12","alias_value":"EDBM3RTUG4L5","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_16","alias_value":"EDBM3RTUG4L5N4WL","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_8","alias_value":"EDBM3RTU","created_at":"2026-05-18T12:27:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:EDBM3RTUG4L5N4WLTIKMY42EBE","target":"record","payload":{"canonical_record":{"source":{"id":"1303.0750","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-03-04T16:28:06Z","cross_cats_sorted":[],"title_canon_sha256":"caae987f6a3ab101ddd3e5e84007761b75cf512a157cc2689e3a151232424f9b","abstract_canon_sha256":"b37f42a3397419b9b2de9876b783685c15e8c6136960a29f92f88e825cff8a0e"},"schema_version":"1.0"},"canonical_sha256":"20c2cdc6743717d6f2cb9a14cc73440933619a924fdf25ba978371a239e2b2ba","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:51:17.333076Z","signature_b64":"cjQkIOW3QUE1WAGMZ5QkwlDUqpC16BSUk2jC4YfU6kcgPINlC4ombfz4FC8i0vtMSTpdU3vG4aUG0T+MwwU5BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"20c2cdc6743717d6f2cb9a14cc73440933619a924fdf25ba978371a239e2b2ba","last_reissued_at":"2026-05-18T01:51:17.332463Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:51:17.332463Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1303.0750","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":"2026-05-18T01:51:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KNcT8JYd0dyTLbfplp94Vaizw/dujo95B6NKyWzUmjkS3u3pWDV4HkXdenXLZRvAL46lznhbKej/c511FKdXDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T15:28:53.173233Z"},"content_sha256":"36e9cd35abba382e932f28e7de7963c6404e7ebdc85c95259642e689106ee776","schema_version":"1.0","event_id":"sha256:36e9cd35abba382e932f28e7de7963c6404e7ebdc85c95259642e689106ee776"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:EDBM3RTUG4L5N4WLTIKMY42EBE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Soft lags in neutron star kHz Quasi Periodic Oscillations: evidence for reverberation?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Didier Barret (IRAP, Toulouse)","submitted_at":"2013-03-04T16:28:06Z","abstract_excerpt":"High frequency soft reverberation lags have now been detected from stellar mass and super massive black holes. Their interpretation involves reflection of a hard source of photons onto an accretion disk, producing a delayed reflected emission, with a time lag consistent with the light travel time between the irradiating source and the disk. Independently of the location of the clock, the kHz Quasi-Periodic Oscillation (QPO) emission is thought to arise from the neutron star boundary layer. Here, we search for the signature of reverberation of the kHz QPO emission, by measuring the soft lags an"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.0750","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":"2026-05-18T01:51:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SUlLbeMs7TkLBsl2e0tc4NpUH4kZ4L/FmQa/vZtEpe5b05VbBzF0jIjBh9OWndY8GsbXCSsQmsxM/MeEkeG3Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T15:28:53.173588Z"},"content_sha256":"9d2174cb61069c73d43c31e777095d5f8bcdac9735f4cb34428533d9b1aaa100","schema_version":"1.0","event_id":"sha256:9d2174cb61069c73d43c31e777095d5f8bcdac9735f4cb34428533d9b1aaa100"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EDBM3RTUG4L5N4WLTIKMY42EBE/bundle.json","state_url":"https://pith.science/pith/EDBM3RTUG4L5N4WLTIKMY42EBE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EDBM3RTUG4L5N4WLTIKMY42EBE/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":"2026-06-01T15:28:53Z","links":{"resolver":"https://pith.science/pith/EDBM3RTUG4L5N4WLTIKMY42EBE","bundle":"https://pith.science/pith/EDBM3RTUG4L5N4WLTIKMY42EBE/bundle.json","state":"https://pith.science/pith/EDBM3RTUG4L5N4WLTIKMY42EBE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EDBM3RTUG4L5N4WLTIKMY42EBE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:EDBM3RTUG4L5N4WLTIKMY42EBE","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":"b37f42a3397419b9b2de9876b783685c15e8c6136960a29f92f88e825cff8a0e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-03-04T16:28:06Z","title_canon_sha256":"caae987f6a3ab101ddd3e5e84007761b75cf512a157cc2689e3a151232424f9b"},"schema_version":"1.0","source":{"id":"1303.0750","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.0750","created_at":"2026-05-18T01:51:17Z"},{"alias_kind":"arxiv_version","alias_value":"1303.0750v2","created_at":"2026-05-18T01:51:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.0750","created_at":"2026-05-18T01:51:17Z"},{"alias_kind":"pith_short_12","alias_value":"EDBM3RTUG4L5","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_16","alias_value":"EDBM3RTUG4L5N4WL","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_8","alias_value":"EDBM3RTU","created_at":"2026-05-18T12:27:43Z"}],"graph_snapshots":[{"event_id":"sha256:9d2174cb61069c73d43c31e777095d5f8bcdac9735f4cb34428533d9b1aaa100","target":"graph","created_at":"2026-05-18T01:51:17Z","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":"High frequency soft reverberation lags have now been detected from stellar mass and super massive black holes. Their interpretation involves reflection of a hard source of photons onto an accretion disk, producing a delayed reflected emission, with a time lag consistent with the light travel time between the irradiating source and the disk. Independently of the location of the clock, the kHz Quasi-Periodic Oscillation (QPO) emission is thought to arise from the neutron star boundary layer. Here, we search for the signature of reverberation of the kHz QPO emission, by measuring the soft lags an","authors_text":"Didier Barret (IRAP, Toulouse)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-03-04T16:28:06Z","title":"Soft lags in neutron star kHz Quasi Periodic Oscillations: evidence for reverberation?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.0750","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":"sha256:36e9cd35abba382e932f28e7de7963c6404e7ebdc85c95259642e689106ee776","target":"record","created_at":"2026-05-18T01:51:17Z","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":"b37f42a3397419b9b2de9876b783685c15e8c6136960a29f92f88e825cff8a0e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-03-04T16:28:06Z","title_canon_sha256":"caae987f6a3ab101ddd3e5e84007761b75cf512a157cc2689e3a151232424f9b"},"schema_version":"1.0","source":{"id":"1303.0750","kind":"arxiv","version":2}},"canonical_sha256":"20c2cdc6743717d6f2cb9a14cc73440933619a924fdf25ba978371a239e2b2ba","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"20c2cdc6743717d6f2cb9a14cc73440933619a924fdf25ba978371a239e2b2ba","first_computed_at":"2026-05-18T01:51:17.332463Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:51:17.332463Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cjQkIOW3QUE1WAGMZ5QkwlDUqpC16BSUk2jC4YfU6kcgPINlC4ombfz4FC8i0vtMSTpdU3vG4aUG0T+MwwU5BQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:51:17.333076Z","signed_message":"canonical_sha256_bytes"},"source_id":"1303.0750","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:36e9cd35abba382e932f28e7de7963c6404e7ebdc85c95259642e689106ee776","sha256:9d2174cb61069c73d43c31e777095d5f8bcdac9735f4cb34428533d9b1aaa100"],"state_sha256":"35978f08e046e13dcc10d55cd9a3fe63b212ed4851adb1b808eb8b5b445df010"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uqAsTv1QNY+60mDyl74KypUwNhZFaO3rGDBYMNxoGpEv/k8vC5VDeeIyQ2ymM+yJxfThmDJBBbQkeazdmn3ABw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T15:28:53.175468Z","bundle_sha256":"d2751414ff5d87d5b76d9da91a4c694c51733c78e006c503c6b5b0d794575c15"}}