{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:IVXNZ5N3I45B2VH57YLG3IN3CO","short_pith_number":"pith:IVXNZ5N3","canonical_record":{"source":{"id":"1202.5305","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-02-23T21:00:00Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"5f65c36405fc89d394ea8d7da6237747da33b50ff04d04c69d0e8810f8ea2837","abstract_canon_sha256":"3c5181ae0bf23e90a6b9257c1b884793857193fc8f896bfad0ccb841758501f0"},"schema_version":"1.0"},"canonical_sha256":"456edcf5bb473a1d54fdfe166da1bb13a2daeac3040a05bb0d0bf5eca1f96a44","source":{"kind":"arxiv","id":"1202.5305","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1202.5305","created_at":"2026-05-18T01:58:20Z"},{"alias_kind":"arxiv_version","alias_value":"1202.5305v1","created_at":"2026-05-18T01:58:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.5305","created_at":"2026-05-18T01:58:20Z"},{"alias_kind":"pith_short_12","alias_value":"IVXNZ5N3I45B","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_16","alias_value":"IVXNZ5N3I45B2VH5","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_8","alias_value":"IVXNZ5N3","created_at":"2026-05-18T12:27:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:IVXNZ5N3I45B2VH57YLG3IN3CO","target":"record","payload":{"canonical_record":{"source":{"id":"1202.5305","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-02-23T21:00:00Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"5f65c36405fc89d394ea8d7da6237747da33b50ff04d04c69d0e8810f8ea2837","abstract_canon_sha256":"3c5181ae0bf23e90a6b9257c1b884793857193fc8f896bfad0ccb841758501f0"},"schema_version":"1.0"},"canonical_sha256":"456edcf5bb473a1d54fdfe166da1bb13a2daeac3040a05bb0d0bf5eca1f96a44","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:58:20.175803Z","signature_b64":"UJmhpR47sJX/MtmJpBi9D03T1w8JwDQNuz2ainQF0x0l+dkIhTOgBAqiKsmOyM/rN3jNUN6osQnFtE4qzfWzAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"456edcf5bb473a1d54fdfe166da1bb13a2daeac3040a05bb0d0bf5eca1f96a44","last_reissued_at":"2026-05-18T01:58:20.175293Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:58:20.175293Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1202.5305","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":"2026-05-18T01:58:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"d50JToycNm+fJ4lnFV4bGwm2YnzWhIC9nWPqGUbSw53R2bjVBWxU0eFnTL1Fh7fBi7TjYhtuwwiirP7Jx+DdCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T01:42:50.180949Z"},"content_sha256":"473d10de1548babe92de804c231837890a2d76c23653ae5d91e6e6b02c471569","schema_version":"1.0","event_id":"sha256:473d10de1548babe92de804c231837890a2d76c23653ae5d91e6e6b02c471569"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:IVXNZ5N3I45B2VH57YLG3IN3CO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Alessi 95 and the short period Cepheid SU Cassiopeiae","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"Bruno Alessi, Daniel J. Majaess, David D. Balam, David G. Turner, David J. Lane, Doug W. Forbes, Jesper Storm, Robert J. Havlen, Wolfgang P. Gieren","submitted_at":"2012-02-23T21:00:00Z","abstract_excerpt":"The parameters for the newly-discovered open cluster Alessi 95 are established on the basis of available photometric and spectroscopic data, in conjunction with new observations. Colour excesses for spectroscopically-observed B and A-type stars near SU Cas follow a reddening relation described by E(U-B)/E(B-V)=0.83+0.02*E(B-V), implying a value of R=Av/E(B-V)~2.8 for the associated dust. Alessi 95 has a mean reddening of E(B-V)_(B0)=0.35+-0.02 s.e., an intrinsic distance modulus of Vo-Mv=8.16+-0.04 s.e. (+-0.21 s.d.), d=429+-8 pc, and an estimated age of 10^8.2 yr from ZAMS fitting of availabl"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.5305","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":"2026-05-18T01:58:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MurvIK/+15Xk/bMG0EWaN+nLwEaMXymnfm+3Bz/at3TTVhJ1aGyGJFSW+M4IuO3CUMw40P/AdUzzzLyxhEXMCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T01:42:50.181306Z"},"content_sha256":"c6be0ad9d04fa08d1c263199e27bf3255b8ea9368db9f2e653790533565fe2ae","schema_version":"1.0","event_id":"sha256:c6be0ad9d04fa08d1c263199e27bf3255b8ea9368db9f2e653790533565fe2ae"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IVXNZ5N3I45B2VH57YLG3IN3CO/bundle.json","state_url":"https://pith.science/pith/IVXNZ5N3I45B2VH57YLG3IN3CO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IVXNZ5N3I45B2VH57YLG3IN3CO/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":"2026-05-28T01:42:50Z","links":{"resolver":"https://pith.science/pith/IVXNZ5N3I45B2VH57YLG3IN3CO","bundle":"https://pith.science/pith/IVXNZ5N3I45B2VH57YLG3IN3CO/bundle.json","state":"https://pith.science/pith/IVXNZ5N3I45B2VH57YLG3IN3CO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IVXNZ5N3I45B2VH57YLG3IN3CO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:IVXNZ5N3I45B2VH57YLG3IN3CO","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":"3c5181ae0bf23e90a6b9257c1b884793857193fc8f896bfad0ccb841758501f0","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-02-23T21:00:00Z","title_canon_sha256":"5f65c36405fc89d394ea8d7da6237747da33b50ff04d04c69d0e8810f8ea2837"},"schema_version":"1.0","source":{"id":"1202.5305","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1202.5305","created_at":"2026-05-18T01:58:20Z"},{"alias_kind":"arxiv_version","alias_value":"1202.5305v1","created_at":"2026-05-18T01:58:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.5305","created_at":"2026-05-18T01:58:20Z"},{"alias_kind":"pith_short_12","alias_value":"IVXNZ5N3I45B","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_16","alias_value":"IVXNZ5N3I45B2VH5","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_8","alias_value":"IVXNZ5N3","created_at":"2026-05-18T12:27:09Z"}],"graph_snapshots":[{"event_id":"sha256:c6be0ad9d04fa08d1c263199e27bf3255b8ea9368db9f2e653790533565fe2ae","target":"graph","created_at":"2026-05-18T01:58:20Z","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":"The parameters for the newly-discovered open cluster Alessi 95 are established on the basis of available photometric and spectroscopic data, in conjunction with new observations. Colour excesses for spectroscopically-observed B and A-type stars near SU Cas follow a reddening relation described by E(U-B)/E(B-V)=0.83+0.02*E(B-V), implying a value of R=Av/E(B-V)~2.8 for the associated dust. Alessi 95 has a mean reddening of E(B-V)_(B0)=0.35+-0.02 s.e., an intrinsic distance modulus of Vo-Mv=8.16+-0.04 s.e. (+-0.21 s.d.), d=429+-8 pc, and an estimated age of 10^8.2 yr from ZAMS fitting of availabl","authors_text":"Bruno Alessi, Daniel J. Majaess, David D. Balam, David G. Turner, David J. Lane, Doug W. Forbes, Jesper Storm, Robert J. Havlen, Wolfgang P. Gieren","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-02-23T21:00:00Z","title":"Alessi 95 and the short period Cepheid SU Cassiopeiae"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.5305","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":"sha256:473d10de1548babe92de804c231837890a2d76c23653ae5d91e6e6b02c471569","target":"record","created_at":"2026-05-18T01:58:20Z","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":"3c5181ae0bf23e90a6b9257c1b884793857193fc8f896bfad0ccb841758501f0","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-02-23T21:00:00Z","title_canon_sha256":"5f65c36405fc89d394ea8d7da6237747da33b50ff04d04c69d0e8810f8ea2837"},"schema_version":"1.0","source":{"id":"1202.5305","kind":"arxiv","version":1}},"canonical_sha256":"456edcf5bb473a1d54fdfe166da1bb13a2daeac3040a05bb0d0bf5eca1f96a44","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"456edcf5bb473a1d54fdfe166da1bb13a2daeac3040a05bb0d0bf5eca1f96a44","first_computed_at":"2026-05-18T01:58:20.175293Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:58:20.175293Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UJmhpR47sJX/MtmJpBi9D03T1w8JwDQNuz2ainQF0x0l+dkIhTOgBAqiKsmOyM/rN3jNUN6osQnFtE4qzfWzAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:58:20.175803Z","signed_message":"canonical_sha256_bytes"},"source_id":"1202.5305","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:473d10de1548babe92de804c231837890a2d76c23653ae5d91e6e6b02c471569","sha256:c6be0ad9d04fa08d1c263199e27bf3255b8ea9368db9f2e653790533565fe2ae"],"state_sha256":"2bbeea525ed3d9ec462e4d47b198a08b943f8c319df9a9cbb28d72443e8a0cd8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UIoaiUFCPbGvURtYZaiK4MMY3hJ44DVD5SsGYX0y/4P35v6R6B9geuBVfn24qm29zP5hJagRLibVxDgsBfD1Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T01:42:50.183473Z","bundle_sha256":"739956fae9ae68b67c8a4ea73beb5d3c6923baedb5c455f92d8ef3a61d205cea"}}