{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1999:TVIVCXJKTOKEQKZWDU4TUJLRQW","short_pith_number":"pith:TVIVCXJK","canonical_record":{"source":{"id":"astro-ph/9912410","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1999-12-19T22:13:14Z","cross_cats_sorted":[],"title_canon_sha256":"7fc6d0bf4905dce51086aeb3773c2ca3e5283b7de2177df24d879b78cf570f5a","abstract_canon_sha256":"c778fcd87f2ced4ef937365c45ad2c1dbd8ad4719e2bdfffc224b44e737e34ea"},"schema_version":"1.0"},"canonical_sha256":"9d51515d2a9b94482b361d393a2571859238b871cdf13aaacc61c292cefbe51f","source":{"kind":"arxiv","id":"astro-ph/9912410","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9912410","created_at":"2026-05-18T01:07:35Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9912410v1","created_at":"2026-05-18T01:07:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9912410","created_at":"2026-05-18T01:07:35Z"},{"alias_kind":"pith_short_12","alias_value":"TVIVCXJKTOKE","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"TVIVCXJKTOKEQKZW","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"TVIVCXJK","created_at":"2026-05-18T12:25:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1999:TVIVCXJKTOKEQKZWDU4TUJLRQW","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/9912410","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1999-12-19T22:13:14Z","cross_cats_sorted":[],"title_canon_sha256":"7fc6d0bf4905dce51086aeb3773c2ca3e5283b7de2177df24d879b78cf570f5a","abstract_canon_sha256":"c778fcd87f2ced4ef937365c45ad2c1dbd8ad4719e2bdfffc224b44e737e34ea"},"schema_version":"1.0"},"canonical_sha256":"9d51515d2a9b94482b361d393a2571859238b871cdf13aaacc61c292cefbe51f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:07:35.699324Z","signature_b64":"VR481vjXSUhdsDbaaNpu7MevJQaL//gl8YR62MWbT/omqnbM/EUTJ02ZeDsVQyo/8RHZtLzjylc3fZ7KV+3QBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9d51515d2a9b94482b361d393a2571859238b871cdf13aaacc61c292cefbe51f","last_reissued_at":"2026-05-18T01:07:35.698720Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:07:35.698720Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/9912410","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":"2026-05-18T01:07:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Jk3jMbrs9h2tC0fQQVZqvAWZ3V+ZRuI6qxVJKevg7j3Mf5Kvo/1C01UTgUQkI4pylkLdOvD7X8B4clcf3hS3Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T10:41:14.690906Z"},"content_sha256":"9a27a8de94c6da4d7035c02be93759edee63ac988321dd13c1f07b52e220694d","schema_version":"1.0","event_id":"sha256:9a27a8de94c6da4d7035c02be93759edee63ac988321dd13c1f07b52e220694d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1999:TVIVCXJKTOKEQKZWDU4TUJLRQW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A VLA Search for the Geminga Pulsar: A Bayesian Limit on a Scintillating Source","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"& D. A. Moffett, J. M. Cordes, M. A. McLaughlin, T. H. Hankins","submitted_at":"1999-12-19T22:13:14Z","abstract_excerpt":"We derive an upper limit of 3 mJy (95% confidence) for the flux density at 317 MHz of the Geminga pulsar (J0633+1746). Our results are based on 7 hours of fast-sampled VLA data, which we averaged synchronously with the pulse period using a period model based on CGRO/EGRET gamma-ray data. Our limit accounts for the fact that this pulsar is most likely subject to interstellar scintillations on a timescale much shorter than our observing span. Our Bayesian method is quite general and can be applied to calculate the fluxes of other scintillated sources. We also present a Bayesian technique for cal"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9912410","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":"2026-05-18T01:07:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FcsPRpb4fkUEyES9SBFDI8XwUbwisLHuHvbHYS2o/vLE5h9leh8KeuquDs5eyOQr3jdIqMSk3pxcxnAJSkYWDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T10:41:14.691240Z"},"content_sha256":"0223109f0338ec5756dad1870d7d3bad782e9da06a79272fc88983597ff76fc6","schema_version":"1.0","event_id":"sha256:0223109f0338ec5756dad1870d7d3bad782e9da06a79272fc88983597ff76fc6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TVIVCXJKTOKEQKZWDU4TUJLRQW/bundle.json","state_url":"https://pith.science/pith/TVIVCXJKTOKEQKZWDU4TUJLRQW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TVIVCXJKTOKEQKZWDU4TUJLRQW/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":"2026-06-28T10:41:14Z","links":{"resolver":"https://pith.science/pith/TVIVCXJKTOKEQKZWDU4TUJLRQW","bundle":"https://pith.science/pith/TVIVCXJKTOKEQKZWDU4TUJLRQW/bundle.json","state":"https://pith.science/pith/TVIVCXJKTOKEQKZWDU4TUJLRQW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TVIVCXJKTOKEQKZWDU4TUJLRQW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1999:TVIVCXJKTOKEQKZWDU4TUJLRQW","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":"c778fcd87f2ced4ef937365c45ad2c1dbd8ad4719e2bdfffc224b44e737e34ea","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1999-12-19T22:13:14Z","title_canon_sha256":"7fc6d0bf4905dce51086aeb3773c2ca3e5283b7de2177df24d879b78cf570f5a"},"schema_version":"1.0","source":{"id":"astro-ph/9912410","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9912410","created_at":"2026-05-18T01:07:35Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9912410v1","created_at":"2026-05-18T01:07:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9912410","created_at":"2026-05-18T01:07:35Z"},{"alias_kind":"pith_short_12","alias_value":"TVIVCXJKTOKE","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"TVIVCXJKTOKEQKZW","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"TVIVCXJK","created_at":"2026-05-18T12:25:49Z"}],"graph_snapshots":[{"event_id":"sha256:0223109f0338ec5756dad1870d7d3bad782e9da06a79272fc88983597ff76fc6","target":"graph","created_at":"2026-05-18T01:07:35Z","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 derive an upper limit of 3 mJy (95% confidence) for the flux density at 317 MHz of the Geminga pulsar (J0633+1746). Our results are based on 7 hours of fast-sampled VLA data, which we averaged synchronously with the pulse period using a period model based on CGRO/EGRET gamma-ray data. Our limit accounts for the fact that this pulsar is most likely subject to interstellar scintillations on a timescale much shorter than our observing span. Our Bayesian method is quite general and can be applied to calculate the fluxes of other scintillated sources. We also present a Bayesian technique for cal","authors_text":"& D. A. Moffett, J. M. Cordes, M. A. McLaughlin, T. H. Hankins","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"1999-12-19T22:13:14Z","title":"A VLA Search for the Geminga Pulsar: A Bayesian Limit on a Scintillating Source"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9912410","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":"sha256:9a27a8de94c6da4d7035c02be93759edee63ac988321dd13c1f07b52e220694d","target":"record","created_at":"2026-05-18T01:07:35Z","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":"c778fcd87f2ced4ef937365c45ad2c1dbd8ad4719e2bdfffc224b44e737e34ea","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1999-12-19T22:13:14Z","title_canon_sha256":"7fc6d0bf4905dce51086aeb3773c2ca3e5283b7de2177df24d879b78cf570f5a"},"schema_version":"1.0","source":{"id":"astro-ph/9912410","kind":"arxiv","version":1}},"canonical_sha256":"9d51515d2a9b94482b361d393a2571859238b871cdf13aaacc61c292cefbe51f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9d51515d2a9b94482b361d393a2571859238b871cdf13aaacc61c292cefbe51f","first_computed_at":"2026-05-18T01:07:35.698720Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:07:35.698720Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VR481vjXSUhdsDbaaNpu7MevJQaL//gl8YR62MWbT/omqnbM/EUTJ02ZeDsVQyo/8RHZtLzjylc3fZ7KV+3QBg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:07:35.699324Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/9912410","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9a27a8de94c6da4d7035c02be93759edee63ac988321dd13c1f07b52e220694d","sha256:0223109f0338ec5756dad1870d7d3bad782e9da06a79272fc88983597ff76fc6"],"state_sha256":"92f2cdc47a2348f54d81ae59c8359e1654066ffa452033ec92a33394d4db6501"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rZLfMy2GkBHLTexF2MBhUQuqOjcILdWxiucH/b0qLzr487aOWXOYSwBOs8jL9DDaLkBqbf72c51Erkm0ZPItAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-28T10:41:14.693034Z","bundle_sha256":"d83f5c281bdc446b9775044feeee0d203441c3f97656d92785d544e2dd7c3149"}}