{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:NUP6R7M6O3QLOGS4TVEPY4MUZJ","short_pith_number":"pith:NUP6R7M6","canonical_record":{"source":{"id":"1507.03622","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-07-13T21:15:51Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"e43c369fe28c398d19e5add5446dda0b1abe8860c3881bd36dfc7d375c484aed","abstract_canon_sha256":"6a6d8620c0c20fdb1b9a899e7a3a530ab08369d39ad3002716541a370c76f9c7"},"schema_version":"1.0"},"canonical_sha256":"6d1fe8fd9e76e0b71a5c9d48fc7194ca53ca55694d0dd46faf7973dc90b7c0ae","source":{"kind":"arxiv","id":"1507.03622","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1507.03622","created_at":"2026-05-18T01:36:57Z"},{"alias_kind":"arxiv_version","alias_value":"1507.03622v1","created_at":"2026-05-18T01:36:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.03622","created_at":"2026-05-18T01:36:57Z"},{"alias_kind":"pith_short_12","alias_value":"NUP6R7M6O3QL","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_16","alias_value":"NUP6R7M6O3QLOGS4","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_8","alias_value":"NUP6R7M6","created_at":"2026-05-18T12:29:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:NUP6R7M6O3QLOGS4TVEPY4MUZJ","target":"record","payload":{"canonical_record":{"source":{"id":"1507.03622","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-07-13T21:15:51Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"e43c369fe28c398d19e5add5446dda0b1abe8860c3881bd36dfc7d375c484aed","abstract_canon_sha256":"6a6d8620c0c20fdb1b9a899e7a3a530ab08369d39ad3002716541a370c76f9c7"},"schema_version":"1.0"},"canonical_sha256":"6d1fe8fd9e76e0b71a5c9d48fc7194ca53ca55694d0dd46faf7973dc90b7c0ae","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:36:57.800001Z","signature_b64":"qPTsHjjlBFHOs1WJd7pmq0MgixqPbLY40n8o2eQBvMKV8jAA3kd8uL1ntjwRmNpJyH2UGE0hpo4tJm9/EzdxDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6d1fe8fd9e76e0b71a5c9d48fc7194ca53ca55694d0dd46faf7973dc90b7c0ae","last_reissued_at":"2026-05-18T01:36:57.799297Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:36:57.799297Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1507.03622","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":"2026-05-18T01:36:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3yuEljmdYK0HsqkBiVjIJQzLqebqYb4VUfj9/YrSVKsTQRjcczv7Y0jfbUkzLOeA9sNuQaviycYIeewn2qzjDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T02:03:52.336657Z"},"content_sha256":"000313f3efe9b982ca7de710955bdb2a64ce0aa01e767c3db8e3b1d5cdba5ce6","schema_version":"1.0","event_id":"sha256:000313f3efe9b982ca7de710955bdb2a64ce0aa01e767c3db8e3b1d5cdba5ce6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:NUP6R7M6O3QLOGS4TVEPY4MUZJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Transits of Venus and Solar diameter measures from ground: method and results from Athens (2004) and Huairou (2012)","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"astro-ph.SR","authors_text":"Alessio Mimmo, Anthony Ayiomamitis, Costantino Sigismondi, Massimo Carinci, Wenbin Xie, Xiaofan Wang","submitted_at":"2015-07-13T21:15:51Z","abstract_excerpt":"The variation of the solar diameter in time and in position angle has implications in astrophysics and in general relativity, as the long series of studies attest. The Transits of Venus in 2004 and 2012 have been carefully studied because of the rarity of the phenomenon and its historical importance due the AU measure and to the discovery of Venus atmosphere. The characterization of Venus atmosphere and the measure of the solar diameter to the milliarcsecond level of precision have been studied also from satellite images. The results of the solar diameter measurements made with the observation"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.03622","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":"2026-05-18T01:36:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MlBQbtq1EjnYmHojGuSqf3FvGtCiVvUwPwXy2tnupssSMB0Z+/FfFgQ7lHq2hGKejCb8tHNYZovRr1/fKPpIDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T02:03:52.337161Z"},"content_sha256":"92a69b5b02c019f41fa5fbda36987cf0c73f62b70d198b1fc539ca368db13ab5","schema_version":"1.0","event_id":"sha256:92a69b5b02c019f41fa5fbda36987cf0c73f62b70d198b1fc539ca368db13ab5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NUP6R7M6O3QLOGS4TVEPY4MUZJ/bundle.json","state_url":"https://pith.science/pith/NUP6R7M6O3QLOGS4TVEPY4MUZJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NUP6R7M6O3QLOGS4TVEPY4MUZJ/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":"2026-06-01T02:03:52Z","links":{"resolver":"https://pith.science/pith/NUP6R7M6O3QLOGS4TVEPY4MUZJ","bundle":"https://pith.science/pith/NUP6R7M6O3QLOGS4TVEPY4MUZJ/bundle.json","state":"https://pith.science/pith/NUP6R7M6O3QLOGS4TVEPY4MUZJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NUP6R7M6O3QLOGS4TVEPY4MUZJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:NUP6R7M6O3QLOGS4TVEPY4MUZJ","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":"6a6d8620c0c20fdb1b9a899e7a3a530ab08369d39ad3002716541a370c76f9c7","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-07-13T21:15:51Z","title_canon_sha256":"e43c369fe28c398d19e5add5446dda0b1abe8860c3881bd36dfc7d375c484aed"},"schema_version":"1.0","source":{"id":"1507.03622","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1507.03622","created_at":"2026-05-18T01:36:57Z"},{"alias_kind":"arxiv_version","alias_value":"1507.03622v1","created_at":"2026-05-18T01:36:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.03622","created_at":"2026-05-18T01:36:57Z"},{"alias_kind":"pith_short_12","alias_value":"NUP6R7M6O3QL","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_16","alias_value":"NUP6R7M6O3QLOGS4","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_8","alias_value":"NUP6R7M6","created_at":"2026-05-18T12:29:34Z"}],"graph_snapshots":[{"event_id":"sha256:92a69b5b02c019f41fa5fbda36987cf0c73f62b70d198b1fc539ca368db13ab5","target":"graph","created_at":"2026-05-18T01:36:57Z","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 variation of the solar diameter in time and in position angle has implications in astrophysics and in general relativity, as the long series of studies attest. The Transits of Venus in 2004 and 2012 have been carefully studied because of the rarity of the phenomenon and its historical importance due the AU measure and to the discovery of Venus atmosphere. The characterization of Venus atmosphere and the measure of the solar diameter to the milliarcsecond level of precision have been studied also from satellite images. The results of the solar diameter measurements made with the observation","authors_text":"Alessio Mimmo, Anthony Ayiomamitis, Costantino Sigismondi, Massimo Carinci, Wenbin Xie, Xiaofan Wang","cross_cats":["astro-ph.IM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-07-13T21:15:51Z","title":"Transits of Venus and Solar diameter measures from ground: method and results from Athens (2004) and Huairou (2012)"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.03622","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":"sha256:000313f3efe9b982ca7de710955bdb2a64ce0aa01e767c3db8e3b1d5cdba5ce6","target":"record","created_at":"2026-05-18T01:36:57Z","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":"6a6d8620c0c20fdb1b9a899e7a3a530ab08369d39ad3002716541a370c76f9c7","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-07-13T21:15:51Z","title_canon_sha256":"e43c369fe28c398d19e5add5446dda0b1abe8860c3881bd36dfc7d375c484aed"},"schema_version":"1.0","source":{"id":"1507.03622","kind":"arxiv","version":1}},"canonical_sha256":"6d1fe8fd9e76e0b71a5c9d48fc7194ca53ca55694d0dd46faf7973dc90b7c0ae","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6d1fe8fd9e76e0b71a5c9d48fc7194ca53ca55694d0dd46faf7973dc90b7c0ae","first_computed_at":"2026-05-18T01:36:57.799297Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:36:57.799297Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qPTsHjjlBFHOs1WJd7pmq0MgixqPbLY40n8o2eQBvMKV8jAA3kd8uL1ntjwRmNpJyH2UGE0hpo4tJm9/EzdxDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:36:57.800001Z","signed_message":"canonical_sha256_bytes"},"source_id":"1507.03622","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:000313f3efe9b982ca7de710955bdb2a64ce0aa01e767c3db8e3b1d5cdba5ce6","sha256:92a69b5b02c019f41fa5fbda36987cf0c73f62b70d198b1fc539ca368db13ab5"],"state_sha256":"61e1f85133082a014fe186fc342f622747c7ed67dc1647ee73c5230314dd94f7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lELjfngx5xqKmG7At2ddmP0xHJ4V43yqschA42GUMs3VEey/oHFAFveQ3b+pik4ED86snIbe+TcZJaCCYHvxBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T02:03:52.341463Z","bundle_sha256":"365e8889ddb5dcae7c3d1a2a78f20493d5737c34af8bbdd8f93a3f5e27b3176f"}}