{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:GTNTZIGRXE5KJFXGOHFK5ZWZE7","short_pith_number":"pith:GTNTZIGR","canonical_record":{"source":{"id":"2506.23233","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2025-06-29T13:34:28Z","cross_cats_sorted":[],"title_canon_sha256":"c4e368faf49017a986146f9b271efc5c208d547eee492b298be85eeb6cbe60b0","abstract_canon_sha256":"e852728c449113aba6b6dafdce1b02707f04fc6138d5b2326bb7c068f7c7d9df"},"schema_version":"1.0"},"canonical_sha256":"34db3ca0d1b93aa496e671caaee6d927f8aafab20a45cba0b01ee7d34755372b","source":{"kind":"arxiv","id":"2506.23233","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.23233","created_at":"2026-07-05T11:29:18Z"},{"alias_kind":"arxiv_version","alias_value":"2506.23233v1","created_at":"2026-07-05T11:29:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.23233","created_at":"2026-07-05T11:29:18Z"},{"alias_kind":"pith_short_12","alias_value":"GTNTZIGRXE5K","created_at":"2026-07-05T11:29:18Z"},{"alias_kind":"pith_short_16","alias_value":"GTNTZIGRXE5KJFXG","created_at":"2026-07-05T11:29:18Z"},{"alias_kind":"pith_short_8","alias_value":"GTNTZIGR","created_at":"2026-07-05T11:29:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:GTNTZIGRXE5KJFXGOHFK5ZWZE7","target":"record","payload":{"canonical_record":{"source":{"id":"2506.23233","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2025-06-29T13:34:28Z","cross_cats_sorted":[],"title_canon_sha256":"c4e368faf49017a986146f9b271efc5c208d547eee492b298be85eeb6cbe60b0","abstract_canon_sha256":"e852728c449113aba6b6dafdce1b02707f04fc6138d5b2326bb7c068f7c7d9df"},"schema_version":"1.0"},"canonical_sha256":"34db3ca0d1b93aa496e671caaee6d927f8aafab20a45cba0b01ee7d34755372b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:29:18.282805Z","signature_b64":"TZhsmtaX5iTlro/CzKvNj7NTdallycY4UMBgvsgB02OCSSQFu6KVD7tN7ZS7aANM4006y8E+3bLXDWzJtGiNBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"34db3ca0d1b93aa496e671caaee6d927f8aafab20a45cba0b01ee7d34755372b","last_reissued_at":"2026-07-05T11:29:18.282306Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:29:18.282306Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2506.23233","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":"2026-07-05T11:29:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"d0PcIR0CG+bOdevPsIwxtvxCaXhezvHZToEIqXge98S0orQ8qjOu7mGWx5e3r9BtZiZDkd1hsXsmJBVFkDZzBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T06:24:43.542126Z"},"content_sha256":"e6ef5ce23e879b37c23bd89bacc9d0bf1bfafcf554812199bc0ade0c3d0fcc92","schema_version":"1.0","event_id":"sha256:e6ef5ce23e879b37c23bd89bacc9d0bf1bfafcf554812199bc0ade0c3d0fcc92"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:GTNTZIGRXE5KJFXGOHFK5ZWZE7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Phototactic bioconvection under oblique collimated irradiation in a forward scattering suspension","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.bio-ph","authors_text":"A. Rathi, M. K. Panda, S. K. Rajput","submitted_at":"2025-06-29T13:34:28Z","abstract_excerpt":"Phototaxis, the process by which living organisms navigate toward optimal light conditions, is essential for motile photosynthetic microorganisms. Positive(negative) phototaxis denotes the motion directed towards(away from) the source of illumination. The main objective of this study is the numerical investigation of onset of bioconvection in a suspension of phototactic microorganisms illuminated by oblique collimated irradiation at the top. In this suspension, the algal cells absorb and anisotropically scatter incident light which influences the flow dynamics of the cells."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.23233","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/2506.23233/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":"2026-07-05T11:29:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ep8DMT9ASz8YbLDiEKZtWgYpSyhpNolKqhiTOsM3y4N/48HChopaixzL1T3wPOO26JFOXWLltjrX0LX1UvHUBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T06:24:43.542720Z"},"content_sha256":"776406535c14a4dd538222cbaf6c24f7ba8ec89c8b1ff2fc993ee9fd110d5bd0","schema_version":"1.0","event_id":"sha256:776406535c14a4dd538222cbaf6c24f7ba8ec89c8b1ff2fc993ee9fd110d5bd0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GTNTZIGRXE5KJFXGOHFK5ZWZE7/bundle.json","state_url":"https://pith.science/pith/GTNTZIGRXE5KJFXGOHFK5ZWZE7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GTNTZIGRXE5KJFXGOHFK5ZWZE7/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":"2026-08-23T06:24:43Z","links":{"resolver":"https://pith.science/pith/GTNTZIGRXE5KJFXGOHFK5ZWZE7","bundle":"https://pith.science/pith/GTNTZIGRXE5KJFXGOHFK5ZWZE7/bundle.json","state":"https://pith.science/pith/GTNTZIGRXE5KJFXGOHFK5ZWZE7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GTNTZIGRXE5KJFXGOHFK5ZWZE7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:GTNTZIGRXE5KJFXGOHFK5ZWZE7","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":"e852728c449113aba6b6dafdce1b02707f04fc6138d5b2326bb7c068f7c7d9df","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2025-06-29T13:34:28Z","title_canon_sha256":"c4e368faf49017a986146f9b271efc5c208d547eee492b298be85eeb6cbe60b0"},"schema_version":"1.0","source":{"id":"2506.23233","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.23233","created_at":"2026-07-05T11:29:18Z"},{"alias_kind":"arxiv_version","alias_value":"2506.23233v1","created_at":"2026-07-05T11:29:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.23233","created_at":"2026-07-05T11:29:18Z"},{"alias_kind":"pith_short_12","alias_value":"GTNTZIGRXE5K","created_at":"2026-07-05T11:29:18Z"},{"alias_kind":"pith_short_16","alias_value":"GTNTZIGRXE5KJFXG","created_at":"2026-07-05T11:29:18Z"},{"alias_kind":"pith_short_8","alias_value":"GTNTZIGR","created_at":"2026-07-05T11:29:18Z"}],"graph_snapshots":[{"event_id":"sha256:776406535c14a4dd538222cbaf6c24f7ba8ec89c8b1ff2fc993ee9fd110d5bd0","target":"graph","created_at":"2026-07-05T11:29:18Z","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/2506.23233/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Phototaxis, the process by which living organisms navigate toward optimal light conditions, is essential for motile photosynthetic microorganisms. Positive(negative) phototaxis denotes the motion directed towards(away from) the source of illumination. The main objective of this study is the numerical investigation of onset of bioconvection in a suspension of phototactic microorganisms illuminated by oblique collimated irradiation at the top. In this suspension, the algal cells absorb and anisotropically scatter incident light which influences the flow dynamics of the cells.","authors_text":"A. Rathi, M. K. Panda, S. K. Rajput","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2025-06-29T13:34:28Z","title":"Phototactic bioconvection under oblique collimated irradiation in a forward scattering suspension"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.23233","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:e6ef5ce23e879b37c23bd89bacc9d0bf1bfafcf554812199bc0ade0c3d0fcc92","target":"record","created_at":"2026-07-05T11:29:18Z","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":"e852728c449113aba6b6dafdce1b02707f04fc6138d5b2326bb7c068f7c7d9df","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2025-06-29T13:34:28Z","title_canon_sha256":"c4e368faf49017a986146f9b271efc5c208d547eee492b298be85eeb6cbe60b0"},"schema_version":"1.0","source":{"id":"2506.23233","kind":"arxiv","version":1}},"canonical_sha256":"34db3ca0d1b93aa496e671caaee6d927f8aafab20a45cba0b01ee7d34755372b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"34db3ca0d1b93aa496e671caaee6d927f8aafab20a45cba0b01ee7d34755372b","first_computed_at":"2026-07-05T11:29:18.282306Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:29:18.282306Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TZhsmtaX5iTlro/CzKvNj7NTdallycY4UMBgvsgB02OCSSQFu6KVD7tN7ZS7aANM4006y8E+3bLXDWzJtGiNBw==","signature_status":"signed_v1","signed_at":"2026-07-05T11:29:18.282805Z","signed_message":"canonical_sha256_bytes"},"source_id":"2506.23233","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e6ef5ce23e879b37c23bd89bacc9d0bf1bfafcf554812199bc0ade0c3d0fcc92","sha256:776406535c14a4dd538222cbaf6c24f7ba8ec89c8b1ff2fc993ee9fd110d5bd0"],"state_sha256":"175e628601906484ac963f22fd5aa80a4ccb6be5ab9174dc36d07ced34988102"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oXgbsuDiWusqtWw3kxYrR84zR6n+IhD6Lo30X+yfBN/+cL4J+d1xBYta5yLcfynMh1MkDGrKR3+Kan5AtHlQDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-23T06:24:43.547190Z","bundle_sha256":"f9e63b25538a16dad1b53b0d92aa0770d43d910afe0bdd00e96d29680f1ca631"}}