{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:FK2LMEVZKULRSHTWX4N7OZHIUJ","short_pith_number":"pith:FK2LMEVZ","canonical_record":{"source":{"id":"2501.00971","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2025-01-01T22:34:41Z","cross_cats_sorted":["astro-ph.IM","hep-ph"],"title_canon_sha256":"6fb86c42d6971b6cbe4562583a88db5094129e27d52f520e9014c28991ded3f4","abstract_canon_sha256":"06bcf75ac7f04c7d282385134e1c620f019ab0e96680afa4b3b5d2e617f4adbe"},"schema_version":"1.0"},"canonical_sha256":"2ab4b612b95517191e76bf1bf764e8a244fe15e233ceb66a551bcd0da2c8179c","source":{"kind":"arxiv","id":"2501.00971","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.00971","created_at":"2026-07-05T09:56:59Z"},{"alias_kind":"arxiv_version","alias_value":"2501.00971v2","created_at":"2026-07-05T09:56:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.00971","created_at":"2026-07-05T09:56:59Z"},{"alias_kind":"pith_short_12","alias_value":"FK2LMEVZKULR","created_at":"2026-07-05T09:56:59Z"},{"alias_kind":"pith_short_16","alias_value":"FK2LMEVZKULRSHTW","created_at":"2026-07-05T09:56:59Z"},{"alias_kind":"pith_short_8","alias_value":"FK2LMEVZ","created_at":"2026-07-05T09:56:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:FK2LMEVZKULRSHTWX4N7OZHIUJ","target":"record","payload":{"canonical_record":{"source":{"id":"2501.00971","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2025-01-01T22:34:41Z","cross_cats_sorted":["astro-ph.IM","hep-ph"],"title_canon_sha256":"6fb86c42d6971b6cbe4562583a88db5094129e27d52f520e9014c28991ded3f4","abstract_canon_sha256":"06bcf75ac7f04c7d282385134e1c620f019ab0e96680afa4b3b5d2e617f4adbe"},"schema_version":"1.0"},"canonical_sha256":"2ab4b612b95517191e76bf1bf764e8a244fe15e233ceb66a551bcd0da2c8179c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:56:59.146309Z","signature_b64":"2JKJMV9NyeohFfWcc3h/TnQfWvGOweQFXRmrMZRvdc5EnGDlZjrPGH6Pgi6RK4TROTsPn0lGuz781vwf5MLIAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2ab4b612b95517191e76bf1bf764e8a244fe15e233ceb66a551bcd0da2c8179c","last_reissued_at":"2026-07-05T09:56:59.145875Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:56:59.145875Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2501.00971","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":"2026-07-05T09:56:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gDA/xLF83zbXGEloaGx4dtBHNDFyuYHmhCN7l3N7Gf7CvtPmal+Hob7fBxX4ETePgEcsmPGhR/7GAgJ/yWfiCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T04:56:58.185603Z"},"content_sha256":"21cda4682f868b04db9cdee8c727ab8b8e2758fc24f2e33314183cc4a67ef239","schema_version":"1.0","event_id":"sha256:21cda4682f868b04db9cdee8c727ab8b8e2758fc24f2e33314183cc4a67ef239"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:FK2LMEVZKULRSHTWX4N7OZHIUJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Open Questions and Future Directions in Titan Science","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.IM","hep-ph"],"primary_cat":"astro-ph.EP","authors_text":"Christophe Sotin, Conor A. Nixon, Natalie Carrasco","submitted_at":"2025-01-01T22:34:41Z","abstract_excerpt":"In this chapter we attempt to distill the very large number of possible future inquiries of Titan into a relatively concise list of twenty high level questions - each of which of would necessarily entail a multitude of more specific investigations and studies. While this list does not encompass all possible open questions, and is divided into topics according to our preference and not in any way uniquely, we believe that it does however span a wide range of the most intriguing topics about Titan, and may form some sort of guide especially for those embarking into Titan studies for the first ti"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.00971","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2501.00971/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":"2026-07-05T09:56:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fQW7uXiJ9mQWlCJTCFJCsuwsZ+2Zp4n80tQMMYmLY3qcnFczUU9BgNxjEhq0IVZNHZwNNjo4zmjFvAd6aRMdAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T04:56:58.186480Z"},"content_sha256":"875779b22b0b5fe3123c587791f430d5499899634fdb8ec01fa92c301e0f2652","schema_version":"1.0","event_id":"sha256:875779b22b0b5fe3123c587791f430d5499899634fdb8ec01fa92c301e0f2652"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FK2LMEVZKULRSHTWX4N7OZHIUJ/bundle.json","state_url":"https://pith.science/pith/FK2LMEVZKULRSHTWX4N7OZHIUJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FK2LMEVZKULRSHTWX4N7OZHIUJ/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":"2026-08-18T04:56:58Z","links":{"resolver":"https://pith.science/pith/FK2LMEVZKULRSHTWX4N7OZHIUJ","bundle":"https://pith.science/pith/FK2LMEVZKULRSHTWX4N7OZHIUJ/bundle.json","state":"https://pith.science/pith/FK2LMEVZKULRSHTWX4N7OZHIUJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FK2LMEVZKULRSHTWX4N7OZHIUJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:FK2LMEVZKULRSHTWX4N7OZHIUJ","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":"06bcf75ac7f04c7d282385134e1c620f019ab0e96680afa4b3b5d2e617f4adbe","cross_cats_sorted":["astro-ph.IM","hep-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2025-01-01T22:34:41Z","title_canon_sha256":"6fb86c42d6971b6cbe4562583a88db5094129e27d52f520e9014c28991ded3f4"},"schema_version":"1.0","source":{"id":"2501.00971","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.00971","created_at":"2026-07-05T09:56:59Z"},{"alias_kind":"arxiv_version","alias_value":"2501.00971v2","created_at":"2026-07-05T09:56:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.00971","created_at":"2026-07-05T09:56:59Z"},{"alias_kind":"pith_short_12","alias_value":"FK2LMEVZKULR","created_at":"2026-07-05T09:56:59Z"},{"alias_kind":"pith_short_16","alias_value":"FK2LMEVZKULRSHTW","created_at":"2026-07-05T09:56:59Z"},{"alias_kind":"pith_short_8","alias_value":"FK2LMEVZ","created_at":"2026-07-05T09:56:59Z"}],"graph_snapshots":[{"event_id":"sha256:875779b22b0b5fe3123c587791f430d5499899634fdb8ec01fa92c301e0f2652","target":"graph","created_at":"2026-07-05T09:56:59Z","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/2501.00971/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this chapter we attempt to distill the very large number of possible future inquiries of Titan into a relatively concise list of twenty high level questions - each of which of would necessarily entail a multitude of more specific investigations and studies. While this list does not encompass all possible open questions, and is divided into topics according to our preference and not in any way uniquely, we believe that it does however span a wide range of the most intriguing topics about Titan, and may form some sort of guide especially for those embarking into Titan studies for the first ti","authors_text":"Christophe Sotin, Conor A. Nixon, Natalie Carrasco","cross_cats":["astro-ph.IM","hep-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2025-01-01T22:34:41Z","title":"Open Questions and Future Directions in Titan Science"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.00971","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":"sha256:21cda4682f868b04db9cdee8c727ab8b8e2758fc24f2e33314183cc4a67ef239","target":"record","created_at":"2026-07-05T09:56:59Z","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":"06bcf75ac7f04c7d282385134e1c620f019ab0e96680afa4b3b5d2e617f4adbe","cross_cats_sorted":["astro-ph.IM","hep-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2025-01-01T22:34:41Z","title_canon_sha256":"6fb86c42d6971b6cbe4562583a88db5094129e27d52f520e9014c28991ded3f4"},"schema_version":"1.0","source":{"id":"2501.00971","kind":"arxiv","version":2}},"canonical_sha256":"2ab4b612b95517191e76bf1bf764e8a244fe15e233ceb66a551bcd0da2c8179c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2ab4b612b95517191e76bf1bf764e8a244fe15e233ceb66a551bcd0da2c8179c","first_computed_at":"2026-07-05T09:56:59.145875Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:56:59.145875Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2JKJMV9NyeohFfWcc3h/TnQfWvGOweQFXRmrMZRvdc5EnGDlZjrPGH6Pgi6RK4TROTsPn0lGuz781vwf5MLIAw==","signature_status":"signed_v1","signed_at":"2026-07-05T09:56:59.146309Z","signed_message":"canonical_sha256_bytes"},"source_id":"2501.00971","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:21cda4682f868b04db9cdee8c727ab8b8e2758fc24f2e33314183cc4a67ef239","sha256:875779b22b0b5fe3123c587791f430d5499899634fdb8ec01fa92c301e0f2652"],"state_sha256":"b3331ddd3c483af6ffdcbb5bb4baf1a956c262a5e725c6f75f730ced921dd0bb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gLMKPtYck6YuxLq+rdrsOjR2klEHRbFzKmJ/UVfu+cSZxqgy1NGgFHt0y2TQIcO7x3UB9OYWqwY8Mt1Pcp+vDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-18T04:56:58.191461Z","bundle_sha256":"db08b7a3e6f915cc575f5476017a1bcf4f4f130799b8904e5936a07fb8be4ff8"}}