{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:LR5QE2S7253W3VENEUU3O7ULYK","short_pith_number":"pith:LR5QE2S7","canonical_record":{"source":{"id":"1601.07919","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-01-28T21:15:54Z","cross_cats_sorted":[],"title_canon_sha256":"92ef304ad3827c6ccd19c82fd49315d4a9a5c9ae5315ba9e4314e467d2fc5466","abstract_canon_sha256":"dfb75704d8b3f2241972f99b29b4ad9c1db16cc738d09a29e6c8179f901769c3"},"schema_version":"1.0"},"canonical_sha256":"5c7b026a5fd7776dd48d2529b77e8bc295ba64ab8203a83dd2dd1a91a533a8c6","source":{"kind":"arxiv","id":"1601.07919","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.07919","created_at":"2026-05-18T01:20:38Z"},{"alias_kind":"arxiv_version","alias_value":"1601.07919v1","created_at":"2026-05-18T01:20:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.07919","created_at":"2026-05-18T01:20:38Z"},{"alias_kind":"pith_short_12","alias_value":"LR5QE2S7253W","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_16","alias_value":"LR5QE2S7253W3VEN","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_8","alias_value":"LR5QE2S7","created_at":"2026-05-18T12:30:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:LR5QE2S7253W3VENEUU3O7ULYK","target":"record","payload":{"canonical_record":{"source":{"id":"1601.07919","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-01-28T21:15:54Z","cross_cats_sorted":[],"title_canon_sha256":"92ef304ad3827c6ccd19c82fd49315d4a9a5c9ae5315ba9e4314e467d2fc5466","abstract_canon_sha256":"dfb75704d8b3f2241972f99b29b4ad9c1db16cc738d09a29e6c8179f901769c3"},"schema_version":"1.0"},"canonical_sha256":"5c7b026a5fd7776dd48d2529b77e8bc295ba64ab8203a83dd2dd1a91a533a8c6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:20:38.415446Z","signature_b64":"MRXoX6dvkhKnbb+cC8aayb82pnqy/ZKqeSD9bHSgO+k93u0KTOyHOVNgv6prM2HOa7+azCioeUYtnr5NgjakCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5c7b026a5fd7776dd48d2529b77e8bc295ba64ab8203a83dd2dd1a91a533a8c6","last_reissued_at":"2026-05-18T01:20:38.414874Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:20:38.414874Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1601.07919","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":"2026-05-18T01:20:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+jKVdxllhKevx8NxLT3fdSKQUBZ6Hd6QZEUEMS31vFvMZ3BFt6EZfJgNstE2r1eegg6a6WbeyxGbgaykdNA9BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T07:36:41.756842Z"},"content_sha256":"71465468d1465ea08b7a23dfc85d6fc752c643bd333bcc1313c3df98378e55a0","schema_version":"1.0","event_id":"sha256:71465468d1465ea08b7a23dfc85d6fc752c643bd333bcc1313c3df98378e55a0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:LR5QE2S7253W3VENEUU3O7ULYK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The influence of radiative core growth on coronal X-ray emission from pre-main sequence stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"(2) University of Michigan, (3) University of Exeter), Claire L. Davies (3) ((1) University of St Andrews, Fred C. Adams (2), Scott G. Gregory (1)","submitted_at":"2016-01-28T21:15:54Z","abstract_excerpt":"Pre-main sequence (PMS) stars of mass $\\gtrsim0.35\\,{\\rm M}_\\odot$ transition from hosting fully convective interiors to configurations with a radiative core and outer convective envelope during their gravitational contraction. This stellar structure change influences the external magnetic field topology and, as we demonstrate herein, affects the coronal X-ray emission as a stellar analog of the solar tachocline develops. We have combined archival X-ray, spectroscopic, and photometric data for $\\sim$1000 PMS stars from five of the best studied star forming regions; the ONC, NGC 2264, IC 348, N"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.07919","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":"2026-05-18T01:20:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5RuWn1gAMB82ekvRP121jcRF2nEHQlqCSfnZ1DmWPPJrckfKeU4liCQ+HMMaTeoYhYJ5PCj52qYRTiyT2ahoAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T07:36:41.757584Z"},"content_sha256":"a0e3795cbb5b2284847fced5d404d5512cca5f00a1b97c5379d56361d76006a7","schema_version":"1.0","event_id":"sha256:a0e3795cbb5b2284847fced5d404d5512cca5f00a1b97c5379d56361d76006a7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LR5QE2S7253W3VENEUU3O7ULYK/bundle.json","state_url":"https://pith.science/pith/LR5QE2S7253W3VENEUU3O7ULYK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LR5QE2S7253W3VENEUU3O7ULYK/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":"2026-06-09T07:36:41Z","links":{"resolver":"https://pith.science/pith/LR5QE2S7253W3VENEUU3O7ULYK","bundle":"https://pith.science/pith/LR5QE2S7253W3VENEUU3O7ULYK/bundle.json","state":"https://pith.science/pith/LR5QE2S7253W3VENEUU3O7ULYK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LR5QE2S7253W3VENEUU3O7ULYK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:LR5QE2S7253W3VENEUU3O7ULYK","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":"dfb75704d8b3f2241972f99b29b4ad9c1db16cc738d09a29e6c8179f901769c3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-01-28T21:15:54Z","title_canon_sha256":"92ef304ad3827c6ccd19c82fd49315d4a9a5c9ae5315ba9e4314e467d2fc5466"},"schema_version":"1.0","source":{"id":"1601.07919","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.07919","created_at":"2026-05-18T01:20:38Z"},{"alias_kind":"arxiv_version","alias_value":"1601.07919v1","created_at":"2026-05-18T01:20:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.07919","created_at":"2026-05-18T01:20:38Z"},{"alias_kind":"pith_short_12","alias_value":"LR5QE2S7253W","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_16","alias_value":"LR5QE2S7253W3VEN","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_8","alias_value":"LR5QE2S7","created_at":"2026-05-18T12:30:29Z"}],"graph_snapshots":[{"event_id":"sha256:a0e3795cbb5b2284847fced5d404d5512cca5f00a1b97c5379d56361d76006a7","target":"graph","created_at":"2026-05-18T01:20:38Z","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":"Pre-main sequence (PMS) stars of mass $\\gtrsim0.35\\,{\\rm M}_\\odot$ transition from hosting fully convective interiors to configurations with a radiative core and outer convective envelope during their gravitational contraction. This stellar structure change influences the external magnetic field topology and, as we demonstrate herein, affects the coronal X-ray emission as a stellar analog of the solar tachocline develops. We have combined archival X-ray, spectroscopic, and photometric data for $\\sim$1000 PMS stars from five of the best studied star forming regions; the ONC, NGC 2264, IC 348, N","authors_text":"(2) University of Michigan, (3) University of Exeter), Claire L. Davies (3) ((1) University of St Andrews, Fred C. Adams (2), Scott G. Gregory (1)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-01-28T21:15:54Z","title":"The influence of radiative core growth on coronal X-ray emission from pre-main sequence stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.07919","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":"sha256:71465468d1465ea08b7a23dfc85d6fc752c643bd333bcc1313c3df98378e55a0","target":"record","created_at":"2026-05-18T01:20:38Z","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":"dfb75704d8b3f2241972f99b29b4ad9c1db16cc738d09a29e6c8179f901769c3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-01-28T21:15:54Z","title_canon_sha256":"92ef304ad3827c6ccd19c82fd49315d4a9a5c9ae5315ba9e4314e467d2fc5466"},"schema_version":"1.0","source":{"id":"1601.07919","kind":"arxiv","version":1}},"canonical_sha256":"5c7b026a5fd7776dd48d2529b77e8bc295ba64ab8203a83dd2dd1a91a533a8c6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5c7b026a5fd7776dd48d2529b77e8bc295ba64ab8203a83dd2dd1a91a533a8c6","first_computed_at":"2026-05-18T01:20:38.414874Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:20:38.414874Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"MRXoX6dvkhKnbb+cC8aayb82pnqy/ZKqeSD9bHSgO+k93u0KTOyHOVNgv6prM2HOa7+azCioeUYtnr5NgjakCw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:20:38.415446Z","signed_message":"canonical_sha256_bytes"},"source_id":"1601.07919","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:71465468d1465ea08b7a23dfc85d6fc752c643bd333bcc1313c3df98378e55a0","sha256:a0e3795cbb5b2284847fced5d404d5512cca5f00a1b97c5379d56361d76006a7"],"state_sha256":"35e20a987daf912b99e8bfaaeb27aa66d8cca652190743a3d8ef1523c704ef5f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jRBYZqPDomgVqEtZJJ392D0ghYMJWJbO2j7uIPgb1vAambrQtt7ch24CHtHz/0cnJaEYuC5N4lzRBqk3gkC5Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T07:36:41.761938Z","bundle_sha256":"5df4f43dee2a0bd1e80e5ecb08d85873cf95fe0f8ec105194c4cb78398ae49ae"}}