{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:DVYGWNJUIHYIN6RLARTDIFJCQE","short_pith_number":"pith:DVYGWNJU","canonical_record":{"source":{"id":"1410.5442","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-10-20T20:02:27Z","cross_cats_sorted":[],"title_canon_sha256":"d40983c38c4467bfed7ea03fff7102a1dd1a81644c80735c230820819c3d7e14","abstract_canon_sha256":"f68433e4783ea2b9454f32779f5d9455055ae3d142a390c9871fb72b610e7554"},"schema_version":"1.0"},"canonical_sha256":"1d706b353441f086fa2b046634152281396a11fac6da106884593bff64d6c4e2","source":{"kind":"arxiv","id":"1410.5442","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.5442","created_at":"2026-05-18T01:41:43Z"},{"alias_kind":"arxiv_version","alias_value":"1410.5442v1","created_at":"2026-05-18T01:41:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.5442","created_at":"2026-05-18T01:41:43Z"},{"alias_kind":"pith_short_12","alias_value":"DVYGWNJUIHYI","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_16","alias_value":"DVYGWNJUIHYIN6RL","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_8","alias_value":"DVYGWNJU","created_at":"2026-05-18T12:28:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:DVYGWNJUIHYIN6RLARTDIFJCQE","target":"record","payload":{"canonical_record":{"source":{"id":"1410.5442","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-10-20T20:02:27Z","cross_cats_sorted":[],"title_canon_sha256":"d40983c38c4467bfed7ea03fff7102a1dd1a81644c80735c230820819c3d7e14","abstract_canon_sha256":"f68433e4783ea2b9454f32779f5d9455055ae3d142a390c9871fb72b610e7554"},"schema_version":"1.0"},"canonical_sha256":"1d706b353441f086fa2b046634152281396a11fac6da106884593bff64d6c4e2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:41:43.315723Z","signature_b64":"sxqejUTRdSsGU2FWn4iPDPif3Fq2+ptGGfdUvf3h3AzKVWFSZr/Wdw6771pWjr0HUAX4Co1z5WGC4ClJGFTXDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1d706b353441f086fa2b046634152281396a11fac6da106884593bff64d6c4e2","last_reissued_at":"2026-05-18T01:41:43.315183Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:41:43.315183Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1410.5442","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":"2026-05-18T01:41:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+W2vpnR6O8eCKfD1/RlKVExn/cFwqbyzWnCQOKnkaNF6qALE1oOw5nFh12hfVBPwXRi+7ah1yMvjqwZZTB7VBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T22:12:11.851245Z"},"content_sha256":"30b5921c0bddf5642fa724c426ea5e8ef0c77e15e87e7534a44f584e483364e2","schema_version":"1.0","event_id":"sha256:30b5921c0bddf5642fa724c426ea5e8ef0c77e15e87e7534a44f584e483364e2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:DVYGWNJUIHYIN6RLARTDIFJCQE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Pulsation Search Among Young Brown Dwarfs and Very Low Mass Stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Ann Marie Cody, Lynne A. Hillenbrand","submitted_at":"2014-10-20T20:02:27Z","abstract_excerpt":"In 2005, Palla & Baraffe proposed that brown dwarfs (BDs) and very low mass stars (VLMSs; <0.1 solar masses) may be unstable to radial oscillations during the pre-main-sequence deuterium burning phase. With associated periods of 1-4 hours, this potentially new class of pulsation offers unprecedented opportunities to probe the interiors and evolution of low-mass objects in the 1-15 million year age range. Following up on reports of short-period variability in young clusters, we designed a high-cadence photometric monitoring campaign to search for deuterium-burning pulsation among a sample of 34"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.5442","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":"2026-05-18T01:41:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BJmdnG/WR0MerMqa3HN0s3uFBI3K3vwttT4mVO80dqTSsr28wHbv4taOfwDBNxVcgEBtd1MvQVD34WWOOlkTAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T22:12:11.851968Z"},"content_sha256":"a47cd8a56a35824afeb9f430af7decfb6d8875520aed69dc4b99c23741975c12","schema_version":"1.0","event_id":"sha256:a47cd8a56a35824afeb9f430af7decfb6d8875520aed69dc4b99c23741975c12"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DVYGWNJUIHYIN6RLARTDIFJCQE/bundle.json","state_url":"https://pith.science/pith/DVYGWNJUIHYIN6RLARTDIFJCQE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DVYGWNJUIHYIN6RLARTDIFJCQE/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":"2026-06-09T22:12:11Z","links":{"resolver":"https://pith.science/pith/DVYGWNJUIHYIN6RLARTDIFJCQE","bundle":"https://pith.science/pith/DVYGWNJUIHYIN6RLARTDIFJCQE/bundle.json","state":"https://pith.science/pith/DVYGWNJUIHYIN6RLARTDIFJCQE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DVYGWNJUIHYIN6RLARTDIFJCQE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:DVYGWNJUIHYIN6RLARTDIFJCQE","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":"f68433e4783ea2b9454f32779f5d9455055ae3d142a390c9871fb72b610e7554","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-10-20T20:02:27Z","title_canon_sha256":"d40983c38c4467bfed7ea03fff7102a1dd1a81644c80735c230820819c3d7e14"},"schema_version":"1.0","source":{"id":"1410.5442","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.5442","created_at":"2026-05-18T01:41:43Z"},{"alias_kind":"arxiv_version","alias_value":"1410.5442v1","created_at":"2026-05-18T01:41:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.5442","created_at":"2026-05-18T01:41:43Z"},{"alias_kind":"pith_short_12","alias_value":"DVYGWNJUIHYI","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_16","alias_value":"DVYGWNJUIHYIN6RL","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_8","alias_value":"DVYGWNJU","created_at":"2026-05-18T12:28:25Z"}],"graph_snapshots":[{"event_id":"sha256:a47cd8a56a35824afeb9f430af7decfb6d8875520aed69dc4b99c23741975c12","target":"graph","created_at":"2026-05-18T01:41:43Z","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":"In 2005, Palla & Baraffe proposed that brown dwarfs (BDs) and very low mass stars (VLMSs; <0.1 solar masses) may be unstable to radial oscillations during the pre-main-sequence deuterium burning phase. With associated periods of 1-4 hours, this potentially new class of pulsation offers unprecedented opportunities to probe the interiors and evolution of low-mass objects in the 1-15 million year age range. Following up on reports of short-period variability in young clusters, we designed a high-cadence photometric monitoring campaign to search for deuterium-burning pulsation among a sample of 34","authors_text":"Ann Marie Cody, Lynne A. Hillenbrand","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-10-20T20:02:27Z","title":"A Pulsation Search Among Young Brown Dwarfs and Very Low Mass Stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.5442","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":"sha256:30b5921c0bddf5642fa724c426ea5e8ef0c77e15e87e7534a44f584e483364e2","target":"record","created_at":"2026-05-18T01:41:43Z","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":"f68433e4783ea2b9454f32779f5d9455055ae3d142a390c9871fb72b610e7554","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-10-20T20:02:27Z","title_canon_sha256":"d40983c38c4467bfed7ea03fff7102a1dd1a81644c80735c230820819c3d7e14"},"schema_version":"1.0","source":{"id":"1410.5442","kind":"arxiv","version":1}},"canonical_sha256":"1d706b353441f086fa2b046634152281396a11fac6da106884593bff64d6c4e2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1d706b353441f086fa2b046634152281396a11fac6da106884593bff64d6c4e2","first_computed_at":"2026-05-18T01:41:43.315183Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:41:43.315183Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sxqejUTRdSsGU2FWn4iPDPif3Fq2+ptGGfdUvf3h3AzKVWFSZr/Wdw6771pWjr0HUAX4Co1z5WGC4ClJGFTXDw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:41:43.315723Z","signed_message":"canonical_sha256_bytes"},"source_id":"1410.5442","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:30b5921c0bddf5642fa724c426ea5e8ef0c77e15e87e7534a44f584e483364e2","sha256:a47cd8a56a35824afeb9f430af7decfb6d8875520aed69dc4b99c23741975c12"],"state_sha256":"ee02be2c980413c3be709c9a10830c6ef906651618c61d1f0285674bcda42322"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"B5FrcTwVzSFWpvNQL+Uf71l5Oig1ghANICULR1QHxciWdVl88lvFBqg1BCrkabZQ6M8YbUZ35UZAIpCO3KLgAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T22:12:11.855977Z","bundle_sha256":"c4072eb75e1c4b4d23ecac8b55ccde93fe42d5f07996b1c59be18192a9973664"}}