{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:CBMBRVDTYDAYRXKD4ECRO3LKWZ","short_pith_number":"pith:CBMBRVDT","canonical_record":{"source":{"id":"1111.0959","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-11-03T19:50:36Z","cross_cats_sorted":[],"title_canon_sha256":"995c2a6c75e328e92f0c0e6592ab99a2b1fb4213363d94d183316f44fd92b999","abstract_canon_sha256":"f39e5ba1a9286c4e2e2f6452b4b79623ec359f4218d9d3bb4f504a34b302fb00"},"schema_version":"1.0"},"canonical_sha256":"105818d473c0c188dd43e105176d6ab6412cb1596fb1c19cfab7cf3aca9333f2","source":{"kind":"arxiv","id":"1111.0959","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1111.0959","created_at":"2026-05-18T01:59:45Z"},{"alias_kind":"arxiv_version","alias_value":"1111.0959v1","created_at":"2026-05-18T01:59:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1111.0959","created_at":"2026-05-18T01:59:45Z"},{"alias_kind":"pith_short_12","alias_value":"CBMBRVDTYDAY","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_16","alias_value":"CBMBRVDTYDAYRXKD","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_8","alias_value":"CBMBRVDT","created_at":"2026-05-18T12:26:26Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:CBMBRVDTYDAYRXKD4ECRO3LKWZ","target":"record","payload":{"canonical_record":{"source":{"id":"1111.0959","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-11-03T19:50:36Z","cross_cats_sorted":[],"title_canon_sha256":"995c2a6c75e328e92f0c0e6592ab99a2b1fb4213363d94d183316f44fd92b999","abstract_canon_sha256":"f39e5ba1a9286c4e2e2f6452b4b79623ec359f4218d9d3bb4f504a34b302fb00"},"schema_version":"1.0"},"canonical_sha256":"105818d473c0c188dd43e105176d6ab6412cb1596fb1c19cfab7cf3aca9333f2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:59:45.835277Z","signature_b64":"I5AtHwuEQKLM4vRV+6Dk4e+V+ef2pc6iwtquQry+cb93HgjMWoKDAa5OVU6ENrzB8J8uJM7ViZGzt6ITgnwkDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"105818d473c0c188dd43e105176d6ab6412cb1596fb1c19cfab7cf3aca9333f2","last_reissued_at":"2026-05-18T01:59:45.834689Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:59:45.834689Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1111.0959","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":"2026-05-18T01:59:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YeMBW4bLtseM8v7wV+awhoybbVferloiRFiHoqc6mmf01VUtT7lmup/5uK/+LGN+mv5+hqzYwhXx0u4khzroDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T20:20:56.889148Z"},"content_sha256":"c112051d67187d5a952753366f2dc0b8bdadac6ecf07bb31e7272478fd73635f","schema_version":"1.0","event_id":"sha256:c112051d67187d5a952753366f2dc0b8bdadac6ecf07bb31e7272478fd73635f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:CBMBRVDTYDAYRXKD4ECRO3LKWZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Extended UV Disks and UV-Bright Disks in Low-Mass E/S0 Galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"(2) Rutgers, (3) Spitzer Science Center), Amanda J. Moffett (1), Andrew J. Baker (2), Seppo Laine (3) ((1) University of North Carolina, Sheila J. Kannappan (1)","submitted_at":"2011-11-03T19:50:36Z","abstract_excerpt":"We have identified 15 XUV disks in a largely field sample of 38 E/S0 galaxies with stellar masses primarily below ~4 x 10^10 M_sun and comparable numbers on the red and blue sequences. We use a new purely quantitative XUV disk definition requiring UV extension relative to a UV-defined star formation threshold radius. The 39(+-9)% XUV-disk frequency for these E/S0s is roughly twice the ~20% reported for late types, possibly indicating that XUV disks are associated with galaxies experiencing weak or inefficient star formation. Consistent with this interpretation, the XUV disks in our sample do n"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1111.0959","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":""},"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":"2026-05-18T01:59:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4bfcatmuvsEBgaL6FIzdC4Tu4ZKdwXjjSuDG5oKdjvdf4u/wej1JjADUgOtsezVBDf0YLh3COj0ma7ZKKIqGDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T20:20:56.889512Z"},"content_sha256":"4ff6723de17d918d984ba7a12691ed05270964f8de897832373b10686722049e","schema_version":"1.0","event_id":"sha256:4ff6723de17d918d984ba7a12691ed05270964f8de897832373b10686722049e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CBMBRVDTYDAYRXKD4ECRO3LKWZ/bundle.json","state_url":"https://pith.science/pith/CBMBRVDTYDAYRXKD4ECRO3LKWZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CBMBRVDTYDAYRXKD4ECRO3LKWZ/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":"2026-06-03T20:20:56Z","links":{"resolver":"https://pith.science/pith/CBMBRVDTYDAYRXKD4ECRO3LKWZ","bundle":"https://pith.science/pith/CBMBRVDTYDAYRXKD4ECRO3LKWZ/bundle.json","state":"https://pith.science/pith/CBMBRVDTYDAYRXKD4ECRO3LKWZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CBMBRVDTYDAYRXKD4ECRO3LKWZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:CBMBRVDTYDAYRXKD4ECRO3LKWZ","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":"f39e5ba1a9286c4e2e2f6452b4b79623ec359f4218d9d3bb4f504a34b302fb00","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-11-03T19:50:36Z","title_canon_sha256":"995c2a6c75e328e92f0c0e6592ab99a2b1fb4213363d94d183316f44fd92b999"},"schema_version":"1.0","source":{"id":"1111.0959","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1111.0959","created_at":"2026-05-18T01:59:45Z"},{"alias_kind":"arxiv_version","alias_value":"1111.0959v1","created_at":"2026-05-18T01:59:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1111.0959","created_at":"2026-05-18T01:59:45Z"},{"alias_kind":"pith_short_12","alias_value":"CBMBRVDTYDAY","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_16","alias_value":"CBMBRVDTYDAYRXKD","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_8","alias_value":"CBMBRVDT","created_at":"2026-05-18T12:26:26Z"}],"graph_snapshots":[{"event_id":"sha256:4ff6723de17d918d984ba7a12691ed05270964f8de897832373b10686722049e","target":"graph","created_at":"2026-05-18T01:59:45Z","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":"We have identified 15 XUV disks in a largely field sample of 38 E/S0 galaxies with stellar masses primarily below ~4 x 10^10 M_sun and comparable numbers on the red and blue sequences. We use a new purely quantitative XUV disk definition requiring UV extension relative to a UV-defined star formation threshold radius. The 39(+-9)% XUV-disk frequency for these E/S0s is roughly twice the ~20% reported for late types, possibly indicating that XUV disks are associated with galaxies experiencing weak or inefficient star formation. Consistent with this interpretation, the XUV disks in our sample do n","authors_text":"(2) Rutgers, (3) Spitzer Science Center), Amanda J. Moffett (1), Andrew J. Baker (2), Seppo Laine (3) ((1) University of North Carolina, Sheila J. Kannappan (1)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-11-03T19:50:36Z","title":"Extended UV Disks and UV-Bright Disks in Low-Mass E/S0 Galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1111.0959","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:c112051d67187d5a952753366f2dc0b8bdadac6ecf07bb31e7272478fd73635f","target":"record","created_at":"2026-05-18T01:59:45Z","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":"f39e5ba1a9286c4e2e2f6452b4b79623ec359f4218d9d3bb4f504a34b302fb00","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-11-03T19:50:36Z","title_canon_sha256":"995c2a6c75e328e92f0c0e6592ab99a2b1fb4213363d94d183316f44fd92b999"},"schema_version":"1.0","source":{"id":"1111.0959","kind":"arxiv","version":1}},"canonical_sha256":"105818d473c0c188dd43e105176d6ab6412cb1596fb1c19cfab7cf3aca9333f2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"105818d473c0c188dd43e105176d6ab6412cb1596fb1c19cfab7cf3aca9333f2","first_computed_at":"2026-05-18T01:59:45.834689Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:59:45.834689Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"I5AtHwuEQKLM4vRV+6Dk4e+V+ef2pc6iwtquQry+cb93HgjMWoKDAa5OVU6ENrzB8J8uJM7ViZGzt6ITgnwkDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:59:45.835277Z","signed_message":"canonical_sha256_bytes"},"source_id":"1111.0959","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c112051d67187d5a952753366f2dc0b8bdadac6ecf07bb31e7272478fd73635f","sha256:4ff6723de17d918d984ba7a12691ed05270964f8de897832373b10686722049e"],"state_sha256":"31b25ecae9b2cbaf5c5369a2f296b9af710a48a24cbaee50c30e7591eccba80f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HndDoaMweepLnVcNvuokUui2fsQggcLY7muBXBIrr8UrDRLgOeBoYphD/kTTalGe4DLFXxI+uohWaEesaNAeDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T20:20:56.891496Z","bundle_sha256":"baebe34ae578695afa0a70425791e8e7087a31f1cac93d2aa4572b3f0cd2d5aa"}}