{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:FMRCXGNSLJW4JSDIE6F4RSFWJH","short_pith_number":"pith:FMRCXGNS","canonical_record":{"source":{"id":"2510.15145","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-10-16T21:07:01Z","cross_cats_sorted":[],"title_canon_sha256":"938984959efa7d9edfc4f9eb73de4a453ac163ee13186415e22ab03c88c7907f","abstract_canon_sha256":"565cf82ffc4faa0b95cd94460dbb94bee19a31d9ed69afd6999fc74e01c7e6a7"},"schema_version":"1.0"},"canonical_sha256":"2b222b99b25a6dc4c868278bc8c8b649f1dc5e2f9290fb0b309946dc0dc14cc8","source":{"kind":"arxiv","id":"2510.15145","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2510.15145","created_at":"2026-06-29T01:14:24Z"},{"alias_kind":"arxiv_version","alias_value":"2510.15145v2","created_at":"2026-06-29T01:14:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2510.15145","created_at":"2026-06-29T01:14:24Z"},{"alias_kind":"pith_short_12","alias_value":"FMRCXGNSLJW4","created_at":"2026-06-29T01:14:24Z"},{"alias_kind":"pith_short_16","alias_value":"FMRCXGNSLJW4JSDI","created_at":"2026-06-29T01:14:24Z"},{"alias_kind":"pith_short_8","alias_value":"FMRCXGNS","created_at":"2026-06-29T01:14:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:FMRCXGNSLJW4JSDIE6F4RSFWJH","target":"record","payload":{"canonical_record":{"source":{"id":"2510.15145","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-10-16T21:07:01Z","cross_cats_sorted":[],"title_canon_sha256":"938984959efa7d9edfc4f9eb73de4a453ac163ee13186415e22ab03c88c7907f","abstract_canon_sha256":"565cf82ffc4faa0b95cd94460dbb94bee19a31d9ed69afd6999fc74e01c7e6a7"},"schema_version":"1.0"},"canonical_sha256":"2b222b99b25a6dc4c868278bc8c8b649f1dc5e2f9290fb0b309946dc0dc14cc8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-29T01:14:24.928107Z","signature_b64":"LO68EZ6Jy/qRTshKWwZSLpH9OfCHt90iIzjLSuMrcxECAKrIiERrlua9V1m9n9tk0S5tTKdBrWCqCJU+H0BqAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2b222b99b25a6dc4c868278bc8c8b649f1dc5e2f9290fb0b309946dc0dc14cc8","last_reissued_at":"2026-06-29T01:14:24.927496Z","signature_status":"signed_v1","first_computed_at":"2026-06-29T01:14:24.927496Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2510.15145","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":"2026-06-29T01:14:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"coPOr/9dUWjazz2Di/TpVW9gLWXlvISlVMvsciy1jQPmlY7nkX5wSdx7Uadfd9mstpnH0jeCpLrec9XHwNh/AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-04T09:25:20.179532Z"},"content_sha256":"c89ef21daf8a1b35b9c8a11c5d4e6d0a79b579fc8f1a10175fe42c24a6c295ea","schema_version":"1.0","event_id":"sha256:c89ef21daf8a1b35b9c8a11c5d4e6d0a79b579fc8f1a10175fe42c24a6c295ea"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:FMRCXGNSLJW4JSDIE6F4RSFWJH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"What is the True HI Gas Content in Massive Quiescent Galaxies in the Local Universe?","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Am\\'elie Saintonge, Cheng cheng, Cheng Li, Houjun Mo, Jing Wang, Xiao Li","submitted_at":"2025-10-16T21:07:01Z","abstract_excerpt":"While massive quiescent galaxies are known to be poor in atomic hydrogen (HI), their true HI content remains poorly constrained due to the limited sensitivity and morphological biases of existing surveys. We present deep HI observations using the Five-hundred-meter Aperture Spherical radio Telescope (FAST) for a representative sample of 78 low-redshift massive quiescent galaxies, selected by stellar mass ($M_\\ast > 10^{10} M_\\odot$), color (NUV$-r > 5$), and specific star formation rate ($\\rm \\log sSFR < -11\\ yr^{-1}$). Our observations reach a remarkable sensitivity of $\\log(M_{HI}/M_\\ast) = "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2510.15145","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/2510.15145/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":"2026-06-29T01:14:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+9SK5BS+H9SPdhF9AH6zBM5B1lUK5+Vr1w8fGUJRdOONY0I5QA46XT5+4msaDUHFiTsMFEQV4BjjGax3yQpJDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-04T09:25:20.179923Z"},"content_sha256":"b243ac221f45e8ce6f958a38f6eb303f62aac086b70fa604ef356c550b4cfadf","schema_version":"1.0","event_id":"sha256:b243ac221f45e8ce6f958a38f6eb303f62aac086b70fa604ef356c550b4cfadf"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FMRCXGNSLJW4JSDIE6F4RSFWJH/bundle.json","state_url":"https://pith.science/pith/FMRCXGNSLJW4JSDIE6F4RSFWJH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FMRCXGNSLJW4JSDIE6F4RSFWJH/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":"2026-07-04T09:25:20Z","links":{"resolver":"https://pith.science/pith/FMRCXGNSLJW4JSDIE6F4RSFWJH","bundle":"https://pith.science/pith/FMRCXGNSLJW4JSDIE6F4RSFWJH/bundle.json","state":"https://pith.science/pith/FMRCXGNSLJW4JSDIE6F4RSFWJH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FMRCXGNSLJW4JSDIE6F4RSFWJH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:FMRCXGNSLJW4JSDIE6F4RSFWJH","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":"565cf82ffc4faa0b95cd94460dbb94bee19a31d9ed69afd6999fc74e01c7e6a7","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-10-16T21:07:01Z","title_canon_sha256":"938984959efa7d9edfc4f9eb73de4a453ac163ee13186415e22ab03c88c7907f"},"schema_version":"1.0","source":{"id":"2510.15145","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2510.15145","created_at":"2026-06-29T01:14:24Z"},{"alias_kind":"arxiv_version","alias_value":"2510.15145v2","created_at":"2026-06-29T01:14:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2510.15145","created_at":"2026-06-29T01:14:24Z"},{"alias_kind":"pith_short_12","alias_value":"FMRCXGNSLJW4","created_at":"2026-06-29T01:14:24Z"},{"alias_kind":"pith_short_16","alias_value":"FMRCXGNSLJW4JSDI","created_at":"2026-06-29T01:14:24Z"},{"alias_kind":"pith_short_8","alias_value":"FMRCXGNS","created_at":"2026-06-29T01:14:24Z"}],"graph_snapshots":[{"event_id":"sha256:b243ac221f45e8ce6f958a38f6eb303f62aac086b70fa604ef356c550b4cfadf","target":"graph","created_at":"2026-06-29T01:14:24Z","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/2510.15145/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"While massive quiescent galaxies are known to be poor in atomic hydrogen (HI), their true HI content remains poorly constrained due to the limited sensitivity and morphological biases of existing surveys. We present deep HI observations using the Five-hundred-meter Aperture Spherical radio Telescope (FAST) for a representative sample of 78 low-redshift massive quiescent galaxies, selected by stellar mass ($M_\\ast > 10^{10} M_\\odot$), color (NUV$-r > 5$), and specific star formation rate ($\\rm \\log sSFR < -11\\ yr^{-1}$). Our observations reach a remarkable sensitivity of $\\log(M_{HI}/M_\\ast) = ","authors_text":"Am\\'elie Saintonge, Cheng cheng, Cheng Li, Houjun Mo, Jing Wang, Xiao Li","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-10-16T21:07:01Z","title":"What is the True HI Gas Content in Massive Quiescent Galaxies in the Local Universe?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2510.15145","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:c89ef21daf8a1b35b9c8a11c5d4e6d0a79b579fc8f1a10175fe42c24a6c295ea","target":"record","created_at":"2026-06-29T01:14:24Z","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":"565cf82ffc4faa0b95cd94460dbb94bee19a31d9ed69afd6999fc74e01c7e6a7","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-10-16T21:07:01Z","title_canon_sha256":"938984959efa7d9edfc4f9eb73de4a453ac163ee13186415e22ab03c88c7907f"},"schema_version":"1.0","source":{"id":"2510.15145","kind":"arxiv","version":2}},"canonical_sha256":"2b222b99b25a6dc4c868278bc8c8b649f1dc5e2f9290fb0b309946dc0dc14cc8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2b222b99b25a6dc4c868278bc8c8b649f1dc5e2f9290fb0b309946dc0dc14cc8","first_computed_at":"2026-06-29T01:14:24.927496Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-29T01:14:24.927496Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LO68EZ6Jy/qRTshKWwZSLpH9OfCHt90iIzjLSuMrcxECAKrIiERrlua9V1m9n9tk0S5tTKdBrWCqCJU+H0BqAQ==","signature_status":"signed_v1","signed_at":"2026-06-29T01:14:24.928107Z","signed_message":"canonical_sha256_bytes"},"source_id":"2510.15145","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c89ef21daf8a1b35b9c8a11c5d4e6d0a79b579fc8f1a10175fe42c24a6c295ea","sha256:b243ac221f45e8ce6f958a38f6eb303f62aac086b70fa604ef356c550b4cfadf"],"state_sha256":"13930db42b57b6d8c188fb39e05fdbc4f75ec87155417124667801e52c5f2a71"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uDnw391iAW2O1LHcbUgSOe0RzF7Ph55UplblCmHG6x4XXE7sxWfFL0jTTnGhqLvsH3mN3qIn/LwG4OfUnSSXDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-04T09:25:20.182004Z","bundle_sha256":"4d1bc36a58d6683f71bcbf719fef950407847d91155bc987dfad63d361497bd4"}}