{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:GQSZZLOAJANUKUQQJID5N4LC36","short_pith_number":"pith:GQSZZLOA","canonical_record":{"source":{"id":"1203.0027","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-02-29T21:44:56Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"6d027df615b42923df9c929934b2810374a37579ccf25ba69bf580dff20bce2b","abstract_canon_sha256":"c3ee8b75a105ac58721143e93616211b777afa25ce2573e57da2c970d1dac5d2"},"schema_version":"1.0"},"canonical_sha256":"34259cadc0481b4552104a07d6f162dfaa785c701cf860c3e03aa4eb75fcad1e","source":{"kind":"arxiv","id":"1203.0027","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1203.0027","created_at":"2026-05-18T03:57:24Z"},{"alias_kind":"arxiv_version","alias_value":"1203.0027v1","created_at":"2026-05-18T03:57:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1203.0027","created_at":"2026-05-18T03:57:24Z"},{"alias_kind":"pith_short_12","alias_value":"GQSZZLOAJANU","created_at":"2026-05-18T12:27:06Z"},{"alias_kind":"pith_short_16","alias_value":"GQSZZLOAJANUKUQQ","created_at":"2026-05-18T12:27:06Z"},{"alias_kind":"pith_short_8","alias_value":"GQSZZLOA","created_at":"2026-05-18T12:27:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:GQSZZLOAJANUKUQQJID5N4LC36","target":"record","payload":{"canonical_record":{"source":{"id":"1203.0027","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-02-29T21:44:56Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"6d027df615b42923df9c929934b2810374a37579ccf25ba69bf580dff20bce2b","abstract_canon_sha256":"c3ee8b75a105ac58721143e93616211b777afa25ce2573e57da2c970d1dac5d2"},"schema_version":"1.0"},"canonical_sha256":"34259cadc0481b4552104a07d6f162dfaa785c701cf860c3e03aa4eb75fcad1e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:57:24.353334Z","signature_b64":"10T9xGk9Ha1dfWYzkf5x8tDkudUtVRJ3vW5HVujOEcUZzXnafpMMk27qWNqIQKsuCx6tLS81Tq0gQGES778WBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"34259cadc0481b4552104a07d6f162dfaa785c701cf860c3e03aa4eb75fcad1e","last_reissued_at":"2026-05-18T03:57:24.352533Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:57:24.352533Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1203.0027","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":"2026-05-18T03:57:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NlhegkgsNAJZSn4ImQjC4IbANVi0eABh9ZOnhRSTSWRpXGBrc88KCCwZ/NsZ/YxPuePC43MdKQl/iOpvd2HdBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T09:58:20.977863Z"},"content_sha256":"be3b6ccd74730b73bc1614bfffcf1a6f3d5fcbad3e6ed37a0c4f9ec5bf159805","schema_version":"1.0","event_id":"sha256:be3b6ccd74730b73bc1614bfffcf1a6f3d5fcbad3e6ed37a0c4f9ec5bf159805"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:GQSZZLOAJANUKUQQJID5N4LC36","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Incidence of Debris Disks at 24 {\\mu}m and 670 Myr","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.GA","authors_text":"David E. Trilling, George Rieke, Kate Su, Laurie Urban","submitted_at":"2012-02-29T21:44:56Z","abstract_excerpt":"We use Spitzer Space Telescope 24 {\\mu}m data to search for debris disks among 122 AFGKM stars from the \\sim 670 Myr clusters Hyades, Coma Ber, and Praesepe, utilizing a number of advances in data reduction and determining the intrinsic colors of main sequence stars. For our sample, the 1{\\sigma} dispersion about the main sequence V-K, K-[24] locus is approximately 3.1%. We identify seven debris disks at 10% or more (\\geq 3{\\sigma} confidence level) above the expected K-[24] for purely photospheric emission. The incidence of excesses of 10% or greater in our sample at this age is 5.7 +3.1/-1.7"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1203.0027","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":"2026-05-18T03:57:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/291JzVIcFT9OgJ8HDsczBk07nT3e+vda8Fu8mOO0CdSbV0YyULWEmwMtG+7d4QwpSX+vPfbPV5aXIEa3DAeBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T09:58:20.978480Z"},"content_sha256":"4e6ea85973bd4205d188105a5cccb06077f03c343a466c5c4b6754ac0cb5025e","schema_version":"1.0","event_id":"sha256:4e6ea85973bd4205d188105a5cccb06077f03c343a466c5c4b6754ac0cb5025e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GQSZZLOAJANUKUQQJID5N4LC36/bundle.json","state_url":"https://pith.science/pith/GQSZZLOAJANUKUQQJID5N4LC36/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GQSZZLOAJANUKUQQJID5N4LC36/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":"2026-05-31T09:58:20Z","links":{"resolver":"https://pith.science/pith/GQSZZLOAJANUKUQQJID5N4LC36","bundle":"https://pith.science/pith/GQSZZLOAJANUKUQQJID5N4LC36/bundle.json","state":"https://pith.science/pith/GQSZZLOAJANUKUQQJID5N4LC36/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GQSZZLOAJANUKUQQJID5N4LC36/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:GQSZZLOAJANUKUQQJID5N4LC36","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":"c3ee8b75a105ac58721143e93616211b777afa25ce2573e57da2c970d1dac5d2","cross_cats_sorted":["astro-ph.EP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-02-29T21:44:56Z","title_canon_sha256":"6d027df615b42923df9c929934b2810374a37579ccf25ba69bf580dff20bce2b"},"schema_version":"1.0","source":{"id":"1203.0027","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1203.0027","created_at":"2026-05-18T03:57:24Z"},{"alias_kind":"arxiv_version","alias_value":"1203.0027v1","created_at":"2026-05-18T03:57:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1203.0027","created_at":"2026-05-18T03:57:24Z"},{"alias_kind":"pith_short_12","alias_value":"GQSZZLOAJANU","created_at":"2026-05-18T12:27:06Z"},{"alias_kind":"pith_short_16","alias_value":"GQSZZLOAJANUKUQQ","created_at":"2026-05-18T12:27:06Z"},{"alias_kind":"pith_short_8","alias_value":"GQSZZLOA","created_at":"2026-05-18T12:27:06Z"}],"graph_snapshots":[{"event_id":"sha256:4e6ea85973bd4205d188105a5cccb06077f03c343a466c5c4b6754ac0cb5025e","target":"graph","created_at":"2026-05-18T03:57:24Z","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"},"paper":{"abstract_excerpt":"We use Spitzer Space Telescope 24 {\\mu}m data to search for debris disks among 122 AFGKM stars from the \\sim 670 Myr clusters Hyades, Coma Ber, and Praesepe, utilizing a number of advances in data reduction and determining the intrinsic colors of main sequence stars. For our sample, the 1{\\sigma} dispersion about the main sequence V-K, K-[24] locus is approximately 3.1%. We identify seven debris disks at 10% or more (\\geq 3{\\sigma} confidence level) above the expected K-[24] for purely photospheric emission. The incidence of excesses of 10% or greater in our sample at this age is 5.7 +3.1/-1.7","authors_text":"David E. Trilling, George Rieke, Kate Su, Laurie Urban","cross_cats":["astro-ph.EP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-02-29T21:44:56Z","title":"The Incidence of Debris Disks at 24 {\\mu}m and 670 Myr"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1203.0027","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:be3b6ccd74730b73bc1614bfffcf1a6f3d5fcbad3e6ed37a0c4f9ec5bf159805","target":"record","created_at":"2026-05-18T03:57:24Z","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":"c3ee8b75a105ac58721143e93616211b777afa25ce2573e57da2c970d1dac5d2","cross_cats_sorted":["astro-ph.EP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-02-29T21:44:56Z","title_canon_sha256":"6d027df615b42923df9c929934b2810374a37579ccf25ba69bf580dff20bce2b"},"schema_version":"1.0","source":{"id":"1203.0027","kind":"arxiv","version":1}},"canonical_sha256":"34259cadc0481b4552104a07d6f162dfaa785c701cf860c3e03aa4eb75fcad1e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"34259cadc0481b4552104a07d6f162dfaa785c701cf860c3e03aa4eb75fcad1e","first_computed_at":"2026-05-18T03:57:24.352533Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:57:24.352533Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"10T9xGk9Ha1dfWYzkf5x8tDkudUtVRJ3vW5HVujOEcUZzXnafpMMk27qWNqIQKsuCx6tLS81Tq0gQGES778WBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:57:24.353334Z","signed_message":"canonical_sha256_bytes"},"source_id":"1203.0027","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:be3b6ccd74730b73bc1614bfffcf1a6f3d5fcbad3e6ed37a0c4f9ec5bf159805","sha256:4e6ea85973bd4205d188105a5cccb06077f03c343a466c5c4b6754ac0cb5025e"],"state_sha256":"62f6449b7bdd1b7fa9e9ba5097ed023ec7a128ec572d6fea348144ba49312e8e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IhTw0JfwUV0OvEo+VVfoC55wdctbFH6ALEUjSDsUaesDQ1QjEhYyCHW8IBXuRaD5U9Po92FKHMdBPPy2LSZCAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T09:58:20.980906Z","bundle_sha256":"19ea99e6c94bc244dd3d44659d68414be32d92ae1707bc46d13b37a451bcf9e1"}}