{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:CKVB5LLHM6VKJ7IEM6L5VNMUQN","short_pith_number":"pith:CKVB5LLH","canonical_record":{"source":{"id":"1808.02225","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-08-07T06:41:59Z","cross_cats_sorted":[],"title_canon_sha256":"c2f8e86ca6a2048ec77bee50fc8b5ce840e2c438761a05af378b0d934c328c93","abstract_canon_sha256":"a7420ba0ff04102511ccc514a07d3d632093bf03a1201445f58f384320905fad"},"schema_version":"1.0"},"canonical_sha256":"12aa1ead6767aaa4fd046797dab594837ee4073fb93cbbd110996e62710b0e64","source":{"kind":"arxiv","id":"1808.02225","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.02225","created_at":"2026-05-17T23:56:20Z"},{"alias_kind":"arxiv_version","alias_value":"1808.02225v3","created_at":"2026-05-17T23:56:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.02225","created_at":"2026-05-17T23:56:20Z"},{"alias_kind":"pith_short_12","alias_value":"CKVB5LLHM6VK","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_16","alias_value":"CKVB5LLHM6VKJ7IE","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_8","alias_value":"CKVB5LLH","created_at":"2026-05-18T12:32:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:CKVB5LLHM6VKJ7IEM6L5VNMUQN","target":"record","payload":{"canonical_record":{"source":{"id":"1808.02225","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-08-07T06:41:59Z","cross_cats_sorted":[],"title_canon_sha256":"c2f8e86ca6a2048ec77bee50fc8b5ce840e2c438761a05af378b0d934c328c93","abstract_canon_sha256":"a7420ba0ff04102511ccc514a07d3d632093bf03a1201445f58f384320905fad"},"schema_version":"1.0"},"canonical_sha256":"12aa1ead6767aaa4fd046797dab594837ee4073fb93cbbd110996e62710b0e64","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:56:20.203400Z","signature_b64":"mVjcXL6RBUSgIaqYK/EkA1BaYl7CHLpgHnhCGDptDgKRuErCQqfANzX1wKxTgGNdmnusSwjlrWHS7YkGPStECw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"12aa1ead6767aaa4fd046797dab594837ee4073fb93cbbd110996e62710b0e64","last_reissued_at":"2026-05-17T23:56:20.202712Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:56:20.202712Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1808.02225","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:56:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MNtrHNs3/gX9CBmq86DkoyiTRrwx/92g758SUV2lTtIzR7Psx6Jwqb70Z+sO0QD+ZvmUtiq2y0OoqOYT7DUkBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T12:01:50.424236Z"},"content_sha256":"513cd953e9555923c693092164b73238a270136e6d5b8c2356d6cbb292e100cf","schema_version":"1.0","event_id":"sha256:513cd953e9555923c693092164b73238a270136e6d5b8c2356d6cbb292e100cf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:CKVB5LLHM6VKJ7IEM6L5VNMUQN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Neutrino Losses in Type I Thermonuclear X-ray Bursts: An Improved Nuclear Energy Generation Approximation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Adelle J. Goodwin, Alexander Heger, Duncan K. Galloway","submitted_at":"2018-08-07T06:41:59Z","abstract_excerpt":"Type I X-ray bursts are thermonuclear explosions on the surface of accreting neutron stars. Hydrogen rich X-ray bursts burn protons far from the line of stability and can release energy in the form of neutrinos from $\\beta$-decays. We have estimated, for the first time, the neutrino fluxes of Type I bursts for a range of initial conditions based on the predictions of a 1D implicit hydrodynamics code, KEPLER, which calculates the complete nuclear reaction network. We find that neutrino losses are between $6.7 \\times 10^{-5}$ and $0.14$ of the total energy per nucleon, Q$_{nuc}$, depending upon "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.02225","kind":"arxiv","version":3},"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":"2026-05-17T23:56:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LEf0YpNA3FkxGKJAFBFTbHlHNFLpSYvcnwelByIdxCU0WsLkvEDcu37255gnClsNARd3BGypR+7sBkG32fpZAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T12:01:50.424610Z"},"content_sha256":"c23132a9a39b3b1775f02bbe23b2be4d7d627fa9ba0eaf5c7646fbca90de9e69","schema_version":"1.0","event_id":"sha256:c23132a9a39b3b1775f02bbe23b2be4d7d627fa9ba0eaf5c7646fbca90de9e69"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CKVB5LLHM6VKJ7IEM6L5VNMUQN/bundle.json","state_url":"https://pith.science/pith/CKVB5LLHM6VKJ7IEM6L5VNMUQN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CKVB5LLHM6VKJ7IEM6L5VNMUQN/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":"2026-06-08T12:01:50Z","links":{"resolver":"https://pith.science/pith/CKVB5LLHM6VKJ7IEM6L5VNMUQN","bundle":"https://pith.science/pith/CKVB5LLHM6VKJ7IEM6L5VNMUQN/bundle.json","state":"https://pith.science/pith/CKVB5LLHM6VKJ7IEM6L5VNMUQN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CKVB5LLHM6VKJ7IEM6L5VNMUQN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:CKVB5LLHM6VKJ7IEM6L5VNMUQN","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":"a7420ba0ff04102511ccc514a07d3d632093bf03a1201445f58f384320905fad","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-08-07T06:41:59Z","title_canon_sha256":"c2f8e86ca6a2048ec77bee50fc8b5ce840e2c438761a05af378b0d934c328c93"},"schema_version":"1.0","source":{"id":"1808.02225","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.02225","created_at":"2026-05-17T23:56:20Z"},{"alias_kind":"arxiv_version","alias_value":"1808.02225v3","created_at":"2026-05-17T23:56:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.02225","created_at":"2026-05-17T23:56:20Z"},{"alias_kind":"pith_short_12","alias_value":"CKVB5LLHM6VK","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_16","alias_value":"CKVB5LLHM6VKJ7IE","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_8","alias_value":"CKVB5LLH","created_at":"2026-05-18T12:32:16Z"}],"graph_snapshots":[{"event_id":"sha256:c23132a9a39b3b1775f02bbe23b2be4d7d627fa9ba0eaf5c7646fbca90de9e69","target":"graph","created_at":"2026-05-17T23:56:20Z","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":"Type I X-ray bursts are thermonuclear explosions on the surface of accreting neutron stars. Hydrogen rich X-ray bursts burn protons far from the line of stability and can release energy in the form of neutrinos from $\\beta$-decays. We have estimated, for the first time, the neutrino fluxes of Type I bursts for a range of initial conditions based on the predictions of a 1D implicit hydrodynamics code, KEPLER, which calculates the complete nuclear reaction network. We find that neutrino losses are between $6.7 \\times 10^{-5}$ and $0.14$ of the total energy per nucleon, Q$_{nuc}$, depending upon ","authors_text":"Adelle J. Goodwin, Alexander Heger, Duncan K. Galloway","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-08-07T06:41:59Z","title":"Neutrino Losses in Type I Thermonuclear X-ray Bursts: An Improved Nuclear Energy Generation Approximation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.02225","kind":"arxiv","version":3},"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":"sha256:513cd953e9555923c693092164b73238a270136e6d5b8c2356d6cbb292e100cf","target":"record","created_at":"2026-05-17T23:56:20Z","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":"a7420ba0ff04102511ccc514a07d3d632093bf03a1201445f58f384320905fad","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-08-07T06:41:59Z","title_canon_sha256":"c2f8e86ca6a2048ec77bee50fc8b5ce840e2c438761a05af378b0d934c328c93"},"schema_version":"1.0","source":{"id":"1808.02225","kind":"arxiv","version":3}},"canonical_sha256":"12aa1ead6767aaa4fd046797dab594837ee4073fb93cbbd110996e62710b0e64","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"12aa1ead6767aaa4fd046797dab594837ee4073fb93cbbd110996e62710b0e64","first_computed_at":"2026-05-17T23:56:20.202712Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:56:20.202712Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mVjcXL6RBUSgIaqYK/EkA1BaYl7CHLpgHnhCGDptDgKRuErCQqfANzX1wKxTgGNdmnusSwjlrWHS7YkGPStECw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:56:20.203400Z","signed_message":"canonical_sha256_bytes"},"source_id":"1808.02225","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:513cd953e9555923c693092164b73238a270136e6d5b8c2356d6cbb292e100cf","sha256:c23132a9a39b3b1775f02bbe23b2be4d7d627fa9ba0eaf5c7646fbca90de9e69"],"state_sha256":"d43af463fd7a2e2b13c4a45e08b15b383b3d551daf9509d14a62009bdef96ff5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+XEW6g8m3v65KYSxVOD4u1r6d5KNs/XzJkDZsHqfYtA3oU1P1kibplihapQzqpWXtBo12/9QE/x9HFyHJvcbDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T12:01:50.426705Z","bundle_sha256":"a3776e06a9828e88653c0b6b7233bd315806266ed319d9c9e28482309b21d28e"}}