{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:GVIWVOXCMECVSVKETF3C5J3DJN","short_pith_number":"pith:GVIWVOXC","canonical_record":{"source":{"id":"1607.08265","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-07-27T21:16:18Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"95addb35faf795ac592d45a29050c85803ec8b02d71d93182254bdf37c86c863","abstract_canon_sha256":"16eaddc01e9998b436475a4175a2584c1d47316e767c4aa32a788e0fdd2fda68"},"schema_version":"1.0"},"canonical_sha256":"35516abae2610559554499762ea7634b41c593883134b29025187f4c227143c9","source":{"kind":"arxiv","id":"1607.08265","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1607.08265","created_at":"2026-05-18T01:09:54Z"},{"alias_kind":"arxiv_version","alias_value":"1607.08265v1","created_at":"2026-05-18T01:09:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.08265","created_at":"2026-05-18T01:09:54Z"},{"alias_kind":"pith_short_12","alias_value":"GVIWVOXCMECV","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_16","alias_value":"GVIWVOXCMECVSVKE","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_8","alias_value":"GVIWVOXC","created_at":"2026-05-18T12:30:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:GVIWVOXCMECVSVKETF3C5J3DJN","target":"record","payload":{"canonical_record":{"source":{"id":"1607.08265","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-07-27T21:16:18Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"95addb35faf795ac592d45a29050c85803ec8b02d71d93182254bdf37c86c863","abstract_canon_sha256":"16eaddc01e9998b436475a4175a2584c1d47316e767c4aa32a788e0fdd2fda68"},"schema_version":"1.0"},"canonical_sha256":"35516abae2610559554499762ea7634b41c593883134b29025187f4c227143c9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:09:54.425215Z","signature_b64":"z4FoG/pDFq/qi52lcFVyMwddnLqaVYDe9VTkO0MQEpIIMb5wwJZM90V369BI7tGPSEBEFW8Q8qSQ7Fzk+dYGAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"35516abae2610559554499762ea7634b41c593883134b29025187f4c227143c9","last_reissued_at":"2026-05-18T01:09:54.424491Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:09:54.424491Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1607.08265","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":"2026-05-18T01:09:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8n7PxIFjut3JtxEFbt0Wbo9j/SXagFfGsi0j+t+z8fFfmXOdOhd8S+OnaqEdffSRBANtKETVeAMaFLoOexgtBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T23:21:51.250148Z"},"content_sha256":"71ae59e3f91aa40edbb93520d1af8698c576c9dd20d415be1efc6381446bbd4a","schema_version":"1.0","event_id":"sha256:71ae59e3f91aa40edbb93520d1af8698c576c9dd20d415be1efc6381446bbd4a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:GVIWVOXCMECVSVKETF3C5J3DJN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A radio pulsing white dwarf binary star","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.SR","authors_text":"A. Aungwerojwit, A.F. Pala, B.T. G\\\"ansicke, C.A. Haswell, C.Lloyd, D. Koester, D.T. Steeghs, E. Breedt, E.R. Stanway, F.-J. Hambsch, J.J. Bochinski, J. van Roestel, K. Bernhard, L.K. Hardy, M.R. Schreiber, O. Toloza, P. Frank, P.G. Jonker, P.J. Wheatley, S. Arjyotha, S.G. Parsons, S. H\\\"ummerich, S.P. Littlefair, T. Kupfer, T.R. Marsh, V.S. Dhillon","submitted_at":"2016-07-27T21:16:18Z","abstract_excerpt":"White dwarfs are compact stars, similar in size to Earth but ~200,000 times more massive. Isolated white dwarfs emit most of their power from ultraviolet to near-infrared wavelengths, but when in close orbits with less dense stars, white dwarfs can strip material from their companions, and the resulting mass transfer can generate atomic line and X-ray emission, as well as near- and mid-infrared radiation if the white dwarf is magnetic. However, even in binaries, white dwarfs are rarely detected at far-infrared or radio frequencies. Here we report the discovery of a white dwarf / cool star bina"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.08265","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":"2026-05-18T01:09:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KNODY+nyVLyDn1XJnaDlb4HUW6VPwYxkhhdQVNriQ6+CnOX3hMw5M+m0h1s5jyxJjBga2ILOAMml3dj0A5NMCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T23:21:51.250863Z"},"content_sha256":"1f36e9b6ff1a3c078718f0b398bd0bcb0e3c6e6339f908edcb3ced4070fef23c","schema_version":"1.0","event_id":"sha256:1f36e9b6ff1a3c078718f0b398bd0bcb0e3c6e6339f908edcb3ced4070fef23c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GVIWVOXCMECVSVKETF3C5J3DJN/bundle.json","state_url":"https://pith.science/pith/GVIWVOXCMECVSVKETF3C5J3DJN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GVIWVOXCMECVSVKETF3C5J3DJN/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":"2026-05-25T23:21:51Z","links":{"resolver":"https://pith.science/pith/GVIWVOXCMECVSVKETF3C5J3DJN","bundle":"https://pith.science/pith/GVIWVOXCMECVSVKETF3C5J3DJN/bundle.json","state":"https://pith.science/pith/GVIWVOXCMECVSVKETF3C5J3DJN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GVIWVOXCMECVSVKETF3C5J3DJN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:GVIWVOXCMECVSVKETF3C5J3DJN","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":"16eaddc01e9998b436475a4175a2584c1d47316e767c4aa32a788e0fdd2fda68","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-07-27T21:16:18Z","title_canon_sha256":"95addb35faf795ac592d45a29050c85803ec8b02d71d93182254bdf37c86c863"},"schema_version":"1.0","source":{"id":"1607.08265","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1607.08265","created_at":"2026-05-18T01:09:54Z"},{"alias_kind":"arxiv_version","alias_value":"1607.08265v1","created_at":"2026-05-18T01:09:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.08265","created_at":"2026-05-18T01:09:54Z"},{"alias_kind":"pith_short_12","alias_value":"GVIWVOXCMECV","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_16","alias_value":"GVIWVOXCMECVSVKE","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_8","alias_value":"GVIWVOXC","created_at":"2026-05-18T12:30:19Z"}],"graph_snapshots":[{"event_id":"sha256:1f36e9b6ff1a3c078718f0b398bd0bcb0e3c6e6339f908edcb3ced4070fef23c","target":"graph","created_at":"2026-05-18T01:09:54Z","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":"White dwarfs are compact stars, similar in size to Earth but ~200,000 times more massive. Isolated white dwarfs emit most of their power from ultraviolet to near-infrared wavelengths, but when in close orbits with less dense stars, white dwarfs can strip material from their companions, and the resulting mass transfer can generate atomic line and X-ray emission, as well as near- and mid-infrared radiation if the white dwarf is magnetic. However, even in binaries, white dwarfs are rarely detected at far-infrared or radio frequencies. Here we report the discovery of a white dwarf / cool star bina","authors_text":"A. Aungwerojwit, A.F. Pala, B.T. G\\\"ansicke, C.A. Haswell, C.Lloyd, D. Koester, D.T. Steeghs, E. Breedt, E.R. Stanway, F.-J. Hambsch, J.J. Bochinski, J. van Roestel, K. Bernhard, L.K. Hardy, M.R. Schreiber, O. Toloza, P. Frank, P.G. Jonker, P.J. Wheatley, S. Arjyotha, S.G. Parsons, S. H\\\"ummerich, S.P. Littlefair, T. Kupfer, T.R. Marsh, V.S. Dhillon","cross_cats":["astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-07-27T21:16:18Z","title":"A radio pulsing white dwarf binary star"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.08265","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":"sha256:71ae59e3f91aa40edbb93520d1af8698c576c9dd20d415be1efc6381446bbd4a","target":"record","created_at":"2026-05-18T01:09:54Z","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":"16eaddc01e9998b436475a4175a2584c1d47316e767c4aa32a788e0fdd2fda68","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-07-27T21:16:18Z","title_canon_sha256":"95addb35faf795ac592d45a29050c85803ec8b02d71d93182254bdf37c86c863"},"schema_version":"1.0","source":{"id":"1607.08265","kind":"arxiv","version":1}},"canonical_sha256":"35516abae2610559554499762ea7634b41c593883134b29025187f4c227143c9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"35516abae2610559554499762ea7634b41c593883134b29025187f4c227143c9","first_computed_at":"2026-05-18T01:09:54.424491Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:09:54.424491Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"z4FoG/pDFq/qi52lcFVyMwddnLqaVYDe9VTkO0MQEpIIMb5wwJZM90V369BI7tGPSEBEFW8Q8qSQ7Fzk+dYGAw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:09:54.425215Z","signed_message":"canonical_sha256_bytes"},"source_id":"1607.08265","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:71ae59e3f91aa40edbb93520d1af8698c576c9dd20d415be1efc6381446bbd4a","sha256:1f36e9b6ff1a3c078718f0b398bd0bcb0e3c6e6339f908edcb3ced4070fef23c"],"state_sha256":"6c2dfa799537299654e92655e4523ad9c18f0a65fcbeb794a2dbb3394bb9ea37"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1nTsaLke+5t7+9LJDhAVy9aiBhfsjusKe2zU9VPkEW860wBBmGJrMi1Ujkysfuqh+nU18DGSKutQZtJFiX2/Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T23:21:51.254602Z","bundle_sha256":"ca52d076f9ac76701b6139048554956a0fb2f8f6bde0440192a2f3c87b39952d"}}