{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:7HBFWNNP3HPZSLOFEDGNIXYSWH","short_pith_number":"pith:7HBFWNNP","canonical_record":{"source":{"id":"1605.05507","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-05-18T10:32:33Z","cross_cats_sorted":[],"title_canon_sha256":"a2dc6b093f9bf576abb0cff6210f08aad1dc75beedcaea140cfdde974880e7f1","abstract_canon_sha256":"b4dba213bf5bbb0190df6b5fbb00ac0738bdad9e301e272f6d09ab728c54c5b3"},"schema_version":"1.0"},"canonical_sha256":"f9c25b35afd9df992dc520ccd45f12b1c05980dc9cc2280ff9fa8e99882201d3","source":{"kind":"arxiv","id":"1605.05507","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.05507","created_at":"2026-05-18T01:10:29Z"},{"alias_kind":"arxiv_version","alias_value":"1605.05507v2","created_at":"2026-05-18T01:10:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.05507","created_at":"2026-05-18T01:10:29Z"},{"alias_kind":"pith_short_12","alias_value":"7HBFWNNP3HPZ","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_16","alias_value":"7HBFWNNP3HPZSLOF","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_8","alias_value":"7HBFWNNP","created_at":"2026-05-18T12:30:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:7HBFWNNP3HPZSLOFEDGNIXYSWH","target":"record","payload":{"canonical_record":{"source":{"id":"1605.05507","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-05-18T10:32:33Z","cross_cats_sorted":[],"title_canon_sha256":"a2dc6b093f9bf576abb0cff6210f08aad1dc75beedcaea140cfdde974880e7f1","abstract_canon_sha256":"b4dba213bf5bbb0190df6b5fbb00ac0738bdad9e301e272f6d09ab728c54c5b3"},"schema_version":"1.0"},"canonical_sha256":"f9c25b35afd9df992dc520ccd45f12b1c05980dc9cc2280ff9fa8e99882201d3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:10:29.623596Z","signature_b64":"r9ll8jHon4E0btI4T415bRoDFKHybaB+sBv+brqFTbM7EWZXVFEobYLukC0HWIzn7d7+1o/pbBqTkcNE/vtICg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f9c25b35afd9df992dc520ccd45f12b1c05980dc9cc2280ff9fa8e99882201d3","last_reissued_at":"2026-05-18T01:10:29.623149Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:10:29.623149Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1605.05507","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:10:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pLkWFB61ENmxJWypCUIxZ2hrrMmfTu1D53DL/PWq1o3BggSuB2nPV1vaxgAy7znYhnbGEpRtmgl1hYAcvcqmCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T18:53:15.105813Z"},"content_sha256":"af9a5f5eec9f81fe4d6e8f99952f98d277ea5ddb75e30c774275f8c66a67d780","schema_version":"1.0","event_id":"sha256:af9a5f5eec9f81fe4d6e8f99952f98d277ea5ddb75e30c774275f8c66a67d780"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:7HBFWNNP3HPZSLOFEDGNIXYSWH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Luminosity distributions of Type Ia Supernovae","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Chris Ashall, Michele Sasdelli, Paolo Mazzali, Simon Prentice","submitted_at":"2016-05-18T10:32:33Z","abstract_excerpt":"We have assembled a dataset of 165 low redshift, $z<$0.06, publicly available type Ia supernovae (SNe Ia). We produce maximum light magnitude ($M_{B}$ and $M_{V}$) distributions of SNe Ia to explore the diversity of parameter space that they can fill. Before correction for host galaxy extinction we find that the mean $M_{B}$ and $M_{V}$ of SNe Ia are $-18.58\\pm0.07$mag and $-18.72\\pm0.05$mag respectively. Host galaxy extinction is corrected using a new method based on the SN spectrum. After correction, the mean values of $M_{B}$ and $M_{V}$ of SNe Ia are $-19.10\\pm0.06$ and $-19.10\\pm0.05$mag "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.05507","kind":"arxiv","version":2},"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":"2026-05-18T01:10:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TIZkEG3QZOrCu0vmVNLMdBS9w/15nhPJ30LkhJGHeV/p6eyUNqosGCDE5eI1ob7Rex9EJ8u+1PMWHEeVus2vCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T18:53:15.106254Z"},"content_sha256":"f258ff05d01ae25720b346d9126d3f60e174e53597cbcd5770244f12bc1842e1","schema_version":"1.0","event_id":"sha256:f258ff05d01ae25720b346d9126d3f60e174e53597cbcd5770244f12bc1842e1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7HBFWNNP3HPZSLOFEDGNIXYSWH/bundle.json","state_url":"https://pith.science/pith/7HBFWNNP3HPZSLOFEDGNIXYSWH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7HBFWNNP3HPZSLOFEDGNIXYSWH/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":"2026-05-27T18:53:15Z","links":{"resolver":"https://pith.science/pith/7HBFWNNP3HPZSLOFEDGNIXYSWH","bundle":"https://pith.science/pith/7HBFWNNP3HPZSLOFEDGNIXYSWH/bundle.json","state":"https://pith.science/pith/7HBFWNNP3HPZSLOFEDGNIXYSWH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7HBFWNNP3HPZSLOFEDGNIXYSWH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:7HBFWNNP3HPZSLOFEDGNIXYSWH","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":"b4dba213bf5bbb0190df6b5fbb00ac0738bdad9e301e272f6d09ab728c54c5b3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-05-18T10:32:33Z","title_canon_sha256":"a2dc6b093f9bf576abb0cff6210f08aad1dc75beedcaea140cfdde974880e7f1"},"schema_version":"1.0","source":{"id":"1605.05507","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.05507","created_at":"2026-05-18T01:10:29Z"},{"alias_kind":"arxiv_version","alias_value":"1605.05507v2","created_at":"2026-05-18T01:10:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.05507","created_at":"2026-05-18T01:10:29Z"},{"alias_kind":"pith_short_12","alias_value":"7HBFWNNP3HPZ","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_16","alias_value":"7HBFWNNP3HPZSLOF","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_8","alias_value":"7HBFWNNP","created_at":"2026-05-18T12:30:04Z"}],"graph_snapshots":[{"event_id":"sha256:f258ff05d01ae25720b346d9126d3f60e174e53597cbcd5770244f12bc1842e1","target":"graph","created_at":"2026-05-18T01:10:29Z","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 have assembled a dataset of 165 low redshift, $z<$0.06, publicly available type Ia supernovae (SNe Ia). We produce maximum light magnitude ($M_{B}$ and $M_{V}$) distributions of SNe Ia to explore the diversity of parameter space that they can fill. Before correction for host galaxy extinction we find that the mean $M_{B}$ and $M_{V}$ of SNe Ia are $-18.58\\pm0.07$mag and $-18.72\\pm0.05$mag respectively. Host galaxy extinction is corrected using a new method based on the SN spectrum. After correction, the mean values of $M_{B}$ and $M_{V}$ of SNe Ia are $-19.10\\pm0.06$ and $-19.10\\pm0.05$mag ","authors_text":"Chris Ashall, Michele Sasdelli, Paolo Mazzali, Simon Prentice","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-05-18T10:32:33Z","title":"Luminosity distributions of Type Ia Supernovae"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.05507","kind":"arxiv","version":2},"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:af9a5f5eec9f81fe4d6e8f99952f98d277ea5ddb75e30c774275f8c66a67d780","target":"record","created_at":"2026-05-18T01:10:29Z","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":"b4dba213bf5bbb0190df6b5fbb00ac0738bdad9e301e272f6d09ab728c54c5b3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-05-18T10:32:33Z","title_canon_sha256":"a2dc6b093f9bf576abb0cff6210f08aad1dc75beedcaea140cfdde974880e7f1"},"schema_version":"1.0","source":{"id":"1605.05507","kind":"arxiv","version":2}},"canonical_sha256":"f9c25b35afd9df992dc520ccd45f12b1c05980dc9cc2280ff9fa8e99882201d3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f9c25b35afd9df992dc520ccd45f12b1c05980dc9cc2280ff9fa8e99882201d3","first_computed_at":"2026-05-18T01:10:29.623149Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:10:29.623149Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"r9ll8jHon4E0btI4T415bRoDFKHybaB+sBv+brqFTbM7EWZXVFEobYLukC0HWIzn7d7+1o/pbBqTkcNE/vtICg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:10:29.623596Z","signed_message":"canonical_sha256_bytes"},"source_id":"1605.05507","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:af9a5f5eec9f81fe4d6e8f99952f98d277ea5ddb75e30c774275f8c66a67d780","sha256:f258ff05d01ae25720b346d9126d3f60e174e53597cbcd5770244f12bc1842e1"],"state_sha256":"6cf6718247e82440dcdf95051a0c51b9ae1e4dd361700fe8e45fe0d9ea92f7e1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"t6yosKkLURCIUqQcvpu8InXLCtzAXrFi8fA8Eea0Kfi++2p1lcdxVXTVKpEqm0Qw5+7LXiVRJco2HM6e+vIiDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T18:53:15.109009Z","bundle_sha256":"01f8ae28d1ae0acac646196bc519f90fc96bb5fe3f3af8e1dd14ee5a89836209"}}