{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:BUJO6PLDWVANGZGBVBW7WBMZJZ","short_pith_number":"pith:BUJO6PLD","canonical_record":{"source":{"id":"2308.01102","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2023-08-02T12:18:19Z","cross_cats_sorted":[],"title_canon_sha256":"50972184d88e1ebbf6881588bcd6f0c63d1192536bda69f2e15c54d750a32c57","abstract_canon_sha256":"c7e4c9784ce61745f709af6c80bbea06ccc726099dffac6fbbbcf2b82e51adbd"},"schema_version":"1.0"},"canonical_sha256":"0d12ef3d63b540d364c1a86dfb05994e4805c3ceb60fdd4cbfcb37f77165255b","source":{"kind":"arxiv","id":"2308.01102","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2308.01102","created_at":"2026-07-05T07:01:43Z"},{"alias_kind":"arxiv_version","alias_value":"2308.01102v1","created_at":"2026-07-05T07:01:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2308.01102","created_at":"2026-07-05T07:01:43Z"},{"alias_kind":"pith_short_12","alias_value":"BUJO6PLDWVAN","created_at":"2026-07-05T07:01:43Z"},{"alias_kind":"pith_short_16","alias_value":"BUJO6PLDWVANGZGB","created_at":"2026-07-05T07:01:43Z"},{"alias_kind":"pith_short_8","alias_value":"BUJO6PLD","created_at":"2026-07-05T07:01:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:BUJO6PLDWVANGZGBVBW7WBMZJZ","target":"record","payload":{"canonical_record":{"source":{"id":"2308.01102","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2023-08-02T12:18:19Z","cross_cats_sorted":[],"title_canon_sha256":"50972184d88e1ebbf6881588bcd6f0c63d1192536bda69f2e15c54d750a32c57","abstract_canon_sha256":"c7e4c9784ce61745f709af6c80bbea06ccc726099dffac6fbbbcf2b82e51adbd"},"schema_version":"1.0"},"canonical_sha256":"0d12ef3d63b540d364c1a86dfb05994e4805c3ceb60fdd4cbfcb37f77165255b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:01:43.944963Z","signature_b64":"E8AyvoxV9RlUskR1vkf8Jl1+7wFXt+ndWgCuG+oVsbBsFZTvpVU/I48phgCLW+un/kJgKUW6cZg3itTkmLnHBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0d12ef3d63b540d364c1a86dfb05994e4805c3ceb60fdd4cbfcb37f77165255b","last_reissued_at":"2026-07-05T07:01:43.944428Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:01:43.944428Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2308.01102","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":"2026-07-05T07:01:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ggd7Z6BwgtWKnnguusQteBF2E6rI9LD3ytr1jg1AIZ0NJe2VDO22+6c7DmGzAQA4c4gtSald0dI7TWFd4TMBAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T16:06:21.770237Z"},"content_sha256":"c886de153743a04ddf245ec6526aab72f6466fe6eefd2b6da12a9738488203b8","schema_version":"1.0","event_id":"sha256:c886de153743a04ddf245ec6526aab72f6466fe6eefd2b6da12a9738488203b8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:BUJO6PLDWVANGZGBVBW7WBMZJZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Structure of the accretion flow of IX Velorum as revealed by high-resolution spectroscopy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Anna Francesca Pala, Claus Tappert, Jan K\\'ara, Linda Schmidtobreick","submitted_at":"2023-08-02T12:18:19Z","abstract_excerpt":"Context: Several high-mass transfer cataclysmic variables show evidence for outflow from the system, which could play an important role in their evolution. We investigate the system IX Vel, which was proposed to show similar characteristics. Aims: We study the structure of the IX Vel system, particularly the structure of its accretion flow and accretion disc. Methods: We use high-resolution time-resolved spectroscopy to construct radial velocity curves of the components in IX Vel, we compute Doppler maps of the system which we use to estimate the temperature distribution maps. Results: We impr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2308.01102","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/2308.01102/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":"2026-07-05T07:01:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Y3lap1x+yWTbOKyOoqoFetKx7oI/ubNQkOiWuk1ce1S33yC8r/qqkM1otWQatPVL8DKU6KwJPrCsVQLEspfpCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T16:06:21.770748Z"},"content_sha256":"ade5c496e94b4fcfc7cbd7a6fbd64aa06019ffd0f96eb9995d04a84acb7df5bb","schema_version":"1.0","event_id":"sha256:ade5c496e94b4fcfc7cbd7a6fbd64aa06019ffd0f96eb9995d04a84acb7df5bb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BUJO6PLDWVANGZGBVBW7WBMZJZ/bundle.json","state_url":"https://pith.science/pith/BUJO6PLDWVANGZGBVBW7WBMZJZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BUJO6PLDWVANGZGBVBW7WBMZJZ/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":"2026-08-03T16:06:21Z","links":{"resolver":"https://pith.science/pith/BUJO6PLDWVANGZGBVBW7WBMZJZ","bundle":"https://pith.science/pith/BUJO6PLDWVANGZGBVBW7WBMZJZ/bundle.json","state":"https://pith.science/pith/BUJO6PLDWVANGZGBVBW7WBMZJZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BUJO6PLDWVANGZGBVBW7WBMZJZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:BUJO6PLDWVANGZGBVBW7WBMZJZ","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":"c7e4c9784ce61745f709af6c80bbea06ccc726099dffac6fbbbcf2b82e51adbd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2023-08-02T12:18:19Z","title_canon_sha256":"50972184d88e1ebbf6881588bcd6f0c63d1192536bda69f2e15c54d750a32c57"},"schema_version":"1.0","source":{"id":"2308.01102","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2308.01102","created_at":"2026-07-05T07:01:43Z"},{"alias_kind":"arxiv_version","alias_value":"2308.01102v1","created_at":"2026-07-05T07:01:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2308.01102","created_at":"2026-07-05T07:01:43Z"},{"alias_kind":"pith_short_12","alias_value":"BUJO6PLDWVAN","created_at":"2026-07-05T07:01:43Z"},{"alias_kind":"pith_short_16","alias_value":"BUJO6PLDWVANGZGB","created_at":"2026-07-05T07:01:43Z"},{"alias_kind":"pith_short_8","alias_value":"BUJO6PLD","created_at":"2026-07-05T07:01:43Z"}],"graph_snapshots":[{"event_id":"sha256:ade5c496e94b4fcfc7cbd7a6fbd64aa06019ffd0f96eb9995d04a84acb7df5bb","target":"graph","created_at":"2026-07-05T07:01:43Z","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/2308.01102/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Context: Several high-mass transfer cataclysmic variables show evidence for outflow from the system, which could play an important role in their evolution. We investigate the system IX Vel, which was proposed to show similar characteristics. Aims: We study the structure of the IX Vel system, particularly the structure of its accretion flow and accretion disc. Methods: We use high-resolution time-resolved spectroscopy to construct radial velocity curves of the components in IX Vel, we compute Doppler maps of the system which we use to estimate the temperature distribution maps. Results: We impr","authors_text":"Anna Francesca Pala, Claus Tappert, Jan K\\'ara, Linda Schmidtobreick","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2023-08-02T12:18:19Z","title":"Structure of the accretion flow of IX Velorum as revealed by high-resolution spectroscopy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2308.01102","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:c886de153743a04ddf245ec6526aab72f6466fe6eefd2b6da12a9738488203b8","target":"record","created_at":"2026-07-05T07:01:43Z","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":"c7e4c9784ce61745f709af6c80bbea06ccc726099dffac6fbbbcf2b82e51adbd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2023-08-02T12:18:19Z","title_canon_sha256":"50972184d88e1ebbf6881588bcd6f0c63d1192536bda69f2e15c54d750a32c57"},"schema_version":"1.0","source":{"id":"2308.01102","kind":"arxiv","version":1}},"canonical_sha256":"0d12ef3d63b540d364c1a86dfb05994e4805c3ceb60fdd4cbfcb37f77165255b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0d12ef3d63b540d364c1a86dfb05994e4805c3ceb60fdd4cbfcb37f77165255b","first_computed_at":"2026-07-05T07:01:43.944428Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:01:43.944428Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"E8AyvoxV9RlUskR1vkf8Jl1+7wFXt+ndWgCuG+oVsbBsFZTvpVU/I48phgCLW+un/kJgKUW6cZg3itTkmLnHBw==","signature_status":"signed_v1","signed_at":"2026-07-05T07:01:43.944963Z","signed_message":"canonical_sha256_bytes"},"source_id":"2308.01102","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c886de153743a04ddf245ec6526aab72f6466fe6eefd2b6da12a9738488203b8","sha256:ade5c496e94b4fcfc7cbd7a6fbd64aa06019ffd0f96eb9995d04a84acb7df5bb"],"state_sha256":"9294a759592f0c8d03cf1efa448f5fd8a1a33516254a9b6ca8ec90823fff9d75"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GEGLW1ll8HLz7ASomqDy04KI1USlkjYvFQlilWKImjdam1+xrNUH0n1vQmWbBL1NiCSrLLvHc1D2t63QBKcpBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T16:06:21.774358Z","bundle_sha256":"68111102580f0c69bda7bcc2bcb3a051869db73c5b0ce2a0898c5a92fc1d74be"}}