{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:KMF3XP75LVFGWR3J4T2RO2XXEN","short_pith_number":"pith:KMF3XP75","canonical_record":{"source":{"id":"1303.2568","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-03-11T16:16:49Z","cross_cats_sorted":[],"title_canon_sha256":"3a1f52751e9e813f15a9abaaf21513ee97b749717c9f554f27578be616ff51f0","abstract_canon_sha256":"0fbf3d06d1b1e5c666c5a92969cabe58a2f3de92e028bfb4b4e1f3d624aefaac"},"schema_version":"1.0"},"canonical_sha256":"530bbbbffd5d4a6b4769e4f5176af7236dd771cacb55d1ecfafc9b78dcf9a99c","source":{"kind":"arxiv","id":"1303.2568","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.2568","created_at":"2026-05-18T01:51:08Z"},{"alias_kind":"arxiv_version","alias_value":"1303.2568v1","created_at":"2026-05-18T01:51:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.2568","created_at":"2026-05-18T01:51:08Z"},{"alias_kind":"pith_short_12","alias_value":"KMF3XP75LVFG","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_16","alias_value":"KMF3XP75LVFGWR3J","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_8","alias_value":"KMF3XP75","created_at":"2026-05-18T12:27:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:KMF3XP75LVFGWR3J4T2RO2XXEN","target":"record","payload":{"canonical_record":{"source":{"id":"1303.2568","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-03-11T16:16:49Z","cross_cats_sorted":[],"title_canon_sha256":"3a1f52751e9e813f15a9abaaf21513ee97b749717c9f554f27578be616ff51f0","abstract_canon_sha256":"0fbf3d06d1b1e5c666c5a92969cabe58a2f3de92e028bfb4b4e1f3d624aefaac"},"schema_version":"1.0"},"canonical_sha256":"530bbbbffd5d4a6b4769e4f5176af7236dd771cacb55d1ecfafc9b78dcf9a99c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:51:08.814476Z","signature_b64":"HwQtsQD9lryoWimTCfmoUmHAyVRjjQdPEDiy0QSPjVJF8npx2YAtl5LSJ7SeTgMPGQUqA2IPCf8/JGc1yHk9Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"530bbbbffd5d4a6b4769e4f5176af7236dd771cacb55d1ecfafc9b78dcf9a99c","last_reissued_at":"2026-05-18T01:51:08.813755Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:51:08.813755Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1303.2568","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":"2026-05-18T01:51:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xtRdostvpPsg5GS3/eWc92rSKmT9+GMl2Fp52g4xlxZOA2buwjuYFGn/B9PEIhYW46vhYDt632+4Nsoe4UYFBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T06:10:48.518302Z"},"content_sha256":"74602e24c0f3d901c03a91bd7ec9c0ea85706c236e5b95bd3fab2d60f817e984","schema_version":"1.0","event_id":"sha256:74602e24c0f3d901c03a91bd7ec9c0ea85706c236e5b95bd3fab2d60f817e984"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:KMF3XP75LVFGWR3J4T2RO2XXEN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Photometric variability in FU Ori and Z CMa as observed by MOST","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Anthony F. J. Moffat, David B. Guenther, Dimitar Sasselov, Jason F. Rowe, Jaymie M. Matthews, Michal Siwak, Rainer Kuschnig, Slavek M. Rucinski, Werner W. Weiss","submitted_at":"2013-03-11T16:16:49Z","abstract_excerpt":"Photometric observations obtained by the MOST satellite were used to characterize optical small scale variability of the young stars FU Ori and Z CMa. Wavelet analysis for FU Ori reveals the possible existence of several 2-9 d quasi-periodic features occurring nearly simultaneously; they may be interpreted as plasma parcels or other localized disc heterogeneities revolving at different Keplerian radii in the accretion disc. Their periods may shorten slowly which may be due to spiralling in of individual parcels toward the inner disc radius, estimated at 4.8+/-0.2 R_sun. Analysis of additional "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.2568","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":"2026-05-18T01:51:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ANEZddupXbnyC9xB5/RWGugj3pvYNn+ap/pad+jfybsDuPX/PvjJqqhfTuFIDKyfJtafh+EnzEQ3Gh/zCskjCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T06:10:48.518668Z"},"content_sha256":"259970651586569362a66c8f42c1c77754ec6603d6ab3b975aeeb8ccba7bf888","schema_version":"1.0","event_id":"sha256:259970651586569362a66c8f42c1c77754ec6603d6ab3b975aeeb8ccba7bf888"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KMF3XP75LVFGWR3J4T2RO2XXEN/bundle.json","state_url":"https://pith.science/pith/KMF3XP75LVFGWR3J4T2RO2XXEN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KMF3XP75LVFGWR3J4T2RO2XXEN/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":"2026-06-04T06:10:48Z","links":{"resolver":"https://pith.science/pith/KMF3XP75LVFGWR3J4T2RO2XXEN","bundle":"https://pith.science/pith/KMF3XP75LVFGWR3J4T2RO2XXEN/bundle.json","state":"https://pith.science/pith/KMF3XP75LVFGWR3J4T2RO2XXEN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KMF3XP75LVFGWR3J4T2RO2XXEN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:KMF3XP75LVFGWR3J4T2RO2XXEN","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":"0fbf3d06d1b1e5c666c5a92969cabe58a2f3de92e028bfb4b4e1f3d624aefaac","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-03-11T16:16:49Z","title_canon_sha256":"3a1f52751e9e813f15a9abaaf21513ee97b749717c9f554f27578be616ff51f0"},"schema_version":"1.0","source":{"id":"1303.2568","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.2568","created_at":"2026-05-18T01:51:08Z"},{"alias_kind":"arxiv_version","alias_value":"1303.2568v1","created_at":"2026-05-18T01:51:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.2568","created_at":"2026-05-18T01:51:08Z"},{"alias_kind":"pith_short_12","alias_value":"KMF3XP75LVFG","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_16","alias_value":"KMF3XP75LVFGWR3J","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_8","alias_value":"KMF3XP75","created_at":"2026-05-18T12:27:51Z"}],"graph_snapshots":[{"event_id":"sha256:259970651586569362a66c8f42c1c77754ec6603d6ab3b975aeeb8ccba7bf888","target":"graph","created_at":"2026-05-18T01:51:08Z","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":"Photometric observations obtained by the MOST satellite were used to characterize optical small scale variability of the young stars FU Ori and Z CMa. Wavelet analysis for FU Ori reveals the possible existence of several 2-9 d quasi-periodic features occurring nearly simultaneously; they may be interpreted as plasma parcels or other localized disc heterogeneities revolving at different Keplerian radii in the accretion disc. Their periods may shorten slowly which may be due to spiralling in of individual parcels toward the inner disc radius, estimated at 4.8+/-0.2 R_sun. Analysis of additional ","authors_text":"Anthony F. J. Moffat, David B. Guenther, Dimitar Sasselov, Jason F. Rowe, Jaymie M. Matthews, Michal Siwak, Rainer Kuschnig, Slavek M. Rucinski, Werner W. Weiss","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-03-11T16:16:49Z","title":"Photometric variability in FU Ori and Z CMa as observed by MOST"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.2568","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":"sha256:74602e24c0f3d901c03a91bd7ec9c0ea85706c236e5b95bd3fab2d60f817e984","target":"record","created_at":"2026-05-18T01:51:08Z","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":"0fbf3d06d1b1e5c666c5a92969cabe58a2f3de92e028bfb4b4e1f3d624aefaac","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-03-11T16:16:49Z","title_canon_sha256":"3a1f52751e9e813f15a9abaaf21513ee97b749717c9f554f27578be616ff51f0"},"schema_version":"1.0","source":{"id":"1303.2568","kind":"arxiv","version":1}},"canonical_sha256":"530bbbbffd5d4a6b4769e4f5176af7236dd771cacb55d1ecfafc9b78dcf9a99c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"530bbbbffd5d4a6b4769e4f5176af7236dd771cacb55d1ecfafc9b78dcf9a99c","first_computed_at":"2026-05-18T01:51:08.813755Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:51:08.813755Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HwQtsQD9lryoWimTCfmoUmHAyVRjjQdPEDiy0QSPjVJF8npx2YAtl5LSJ7SeTgMPGQUqA2IPCf8/JGc1yHk9Bw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:51:08.814476Z","signed_message":"canonical_sha256_bytes"},"source_id":"1303.2568","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:74602e24c0f3d901c03a91bd7ec9c0ea85706c236e5b95bd3fab2d60f817e984","sha256:259970651586569362a66c8f42c1c77754ec6603d6ab3b975aeeb8ccba7bf888"],"state_sha256":"3072f63b51d2d09861cc9f757a213d1bf88387dfc6afbae7662c84b7497262de"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eWHT9qgeXZ0vUFS6ABCHaCoYfrIYM/oVyvKR6h6j3LSCSkpstAUqmaMff/ktYwsbs9Uxeo6aJfbrH4VzTYXmBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T06:10:48.520617Z","bundle_sha256":"4c6ea65b9038f1e1b28474d8b2e21c970943af3f01acca2da1ecb29bc05f09ed"}}