{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:7KQQMOICQKZHYUJRX325ZYAV47","short_pith_number":"pith:7KQQMOIC","canonical_record":{"source":{"id":"2505.08857","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-05-13T18:00:00Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"ac222c8feba2552f2d905d4b73e5bf84f55b1512b9e34046e9ed760da54d8d82","abstract_canon_sha256":"0b0ce27177fa8821331335400d3d3cbc3111b3bdb245dfea58c05f126e46ac32"},"schema_version":"1.0"},"canonical_sha256":"faa106390282b27c5131bef5dce015e7ef56d7ca4c84b34e2bc9ed1019c90528","source":{"kind":"arxiv","id":"2505.08857","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.08857","created_at":"2026-07-05T11:02:45Z"},{"alias_kind":"arxiv_version","alias_value":"2505.08857v1","created_at":"2026-07-05T11:02:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.08857","created_at":"2026-07-05T11:02:45Z"},{"alias_kind":"pith_short_12","alias_value":"7KQQMOICQKZH","created_at":"2026-07-05T11:02:45Z"},{"alias_kind":"pith_short_16","alias_value":"7KQQMOICQKZHYUJR","created_at":"2026-07-05T11:02:45Z"},{"alias_kind":"pith_short_8","alias_value":"7KQQMOIC","created_at":"2026-07-05T11:02:45Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:7KQQMOICQKZHYUJRX325ZYAV47","target":"record","payload":{"canonical_record":{"source":{"id":"2505.08857","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-05-13T18:00:00Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"ac222c8feba2552f2d905d4b73e5bf84f55b1512b9e34046e9ed760da54d8d82","abstract_canon_sha256":"0b0ce27177fa8821331335400d3d3cbc3111b3bdb245dfea58c05f126e46ac32"},"schema_version":"1.0"},"canonical_sha256":"faa106390282b27c5131bef5dce015e7ef56d7ca4c84b34e2bc9ed1019c90528","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:02:45.908894Z","signature_b64":"CjsBADdvnT1UiCGG/I3SlT5h5psjIc31FBZupPh7b5wUz3J5o/eXWJPbkckOcqE+yaO9XRfWV5M734wDrD6xDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"faa106390282b27c5131bef5dce015e7ef56d7ca4c84b34e2bc9ed1019c90528","last_reissued_at":"2026-07-05T11:02:45.908402Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:02:45.908402Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2505.08857","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":"2026-07-05T11:02:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mj0EFChuJeWrJevjT30/5RNrub4a6lMQ2yt2LdcsuGq7QTBdokLivxAsNLx9J7uL4f0Zj33NPBj9CFtzq7cuBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T21:57:40.498434Z"},"content_sha256":"79c0e16e3d30539c6afc0da131b968c2d09ceb58a7c67bfe72cdc08a1137bb35","schema_version":"1.0","event_id":"sha256:79c0e16e3d30539c6afc0da131b968c2d09ceb58a7c67bfe72cdc08a1137bb35"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:7KQQMOICQKZHYUJRX325ZYAV47","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Evidence of polar and ultralow supernova kicks from the orbits of Be X-ray binaries","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.HE","authors_text":"Alejandro Vigna-G\\'omez, Amanda C. Rubio, Chen Wang, Cole Johnston, Daniel Kresse, Norbert Langer, Ruggero Valli, Selma E. de Mink, Stephen Justham, Thomas Callister","submitted_at":"2025-05-13T18:00:00Z","abstract_excerpt":"Supernovae, the explosive deaths of massive stars, create heavy elements and form black holes and neutron stars. These compact objects often receive a velocity at formation, a \"kick\" whose physical origin remains debated. We investigate kicks in Be X-ray binaries, containing a neutron star and a rapidly spinning companion. We identify two distinct populations: one with kicks below $10\\,\\rm{km}\\,\\rm{s}^{-1}$, much lower than theoretical predictions, and another with kicks around $100\\,\\rm{km}\\,\\rm{s}^{-1}$, that shows evidence for being aligned within 5 degrees of the progenitor's rotation axis"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.08857","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2505.08857/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T11:02:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5V2w0nbStFZgo600vM2nMqiSY8m0C+lbqllB9UP2tompUszSi5U8QGibff7LwmWPqeJCQPoe3/66ZAapJcL+Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T21:57:40.499058Z"},"content_sha256":"961c92fdf5b21a133f053a4f4867c74ab3c6f393c069e9377c0b210697e2c5ce","schema_version":"1.0","event_id":"sha256:961c92fdf5b21a133f053a4f4867c74ab3c6f393c069e9377c0b210697e2c5ce"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7KQQMOICQKZHYUJRX325ZYAV47/bundle.json","state_url":"https://pith.science/pith/7KQQMOICQKZHYUJRX325ZYAV47/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7KQQMOICQKZHYUJRX325ZYAV47/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":"2026-08-18T21:57:40Z","links":{"resolver":"https://pith.science/pith/7KQQMOICQKZHYUJRX325ZYAV47","bundle":"https://pith.science/pith/7KQQMOICQKZHYUJRX325ZYAV47/bundle.json","state":"https://pith.science/pith/7KQQMOICQKZHYUJRX325ZYAV47/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7KQQMOICQKZHYUJRX325ZYAV47/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:7KQQMOICQKZHYUJRX325ZYAV47","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":"0b0ce27177fa8821331335400d3d3cbc3111b3bdb245dfea58c05f126e46ac32","cross_cats_sorted":["astro-ph.SR"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-05-13T18:00:00Z","title_canon_sha256":"ac222c8feba2552f2d905d4b73e5bf84f55b1512b9e34046e9ed760da54d8d82"},"schema_version":"1.0","source":{"id":"2505.08857","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.08857","created_at":"2026-07-05T11:02:45Z"},{"alias_kind":"arxiv_version","alias_value":"2505.08857v1","created_at":"2026-07-05T11:02:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.08857","created_at":"2026-07-05T11:02:45Z"},{"alias_kind":"pith_short_12","alias_value":"7KQQMOICQKZH","created_at":"2026-07-05T11:02:45Z"},{"alias_kind":"pith_short_16","alias_value":"7KQQMOICQKZHYUJR","created_at":"2026-07-05T11:02:45Z"},{"alias_kind":"pith_short_8","alias_value":"7KQQMOIC","created_at":"2026-07-05T11:02:45Z"}],"graph_snapshots":[{"event_id":"sha256:961c92fdf5b21a133f053a4f4867c74ab3c6f393c069e9377c0b210697e2c5ce","target":"graph","created_at":"2026-07-05T11:02:45Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2505.08857/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Supernovae, the explosive deaths of massive stars, create heavy elements and form black holes and neutron stars. These compact objects often receive a velocity at formation, a \"kick\" whose physical origin remains debated. We investigate kicks in Be X-ray binaries, containing a neutron star and a rapidly spinning companion. We identify two distinct populations: one with kicks below $10\\,\\rm{km}\\,\\rm{s}^{-1}$, much lower than theoretical predictions, and another with kicks around $100\\,\\rm{km}\\,\\rm{s}^{-1}$, that shows evidence for being aligned within 5 degrees of the progenitor's rotation axis","authors_text":"Alejandro Vigna-G\\'omez, Amanda C. Rubio, Chen Wang, Cole Johnston, Daniel Kresse, Norbert Langer, Ruggero Valli, Selma E. de Mink, Stephen Justham, Thomas Callister","cross_cats":["astro-ph.SR"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-05-13T18:00:00Z","title":"Evidence of polar and ultralow supernova kicks from the orbits of Be X-ray binaries"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.08857","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":"sha256:79c0e16e3d30539c6afc0da131b968c2d09ceb58a7c67bfe72cdc08a1137bb35","target":"record","created_at":"2026-07-05T11:02:45Z","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":"0b0ce27177fa8821331335400d3d3cbc3111b3bdb245dfea58c05f126e46ac32","cross_cats_sorted":["astro-ph.SR"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-05-13T18:00:00Z","title_canon_sha256":"ac222c8feba2552f2d905d4b73e5bf84f55b1512b9e34046e9ed760da54d8d82"},"schema_version":"1.0","source":{"id":"2505.08857","kind":"arxiv","version":1}},"canonical_sha256":"faa106390282b27c5131bef5dce015e7ef56d7ca4c84b34e2bc9ed1019c90528","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"faa106390282b27c5131bef5dce015e7ef56d7ca4c84b34e2bc9ed1019c90528","first_computed_at":"2026-07-05T11:02:45.908402Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:02:45.908402Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CjsBADdvnT1UiCGG/I3SlT5h5psjIc31FBZupPh7b5wUz3J5o/eXWJPbkckOcqE+yaO9XRfWV5M734wDrD6xDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T11:02:45.908894Z","signed_message":"canonical_sha256_bytes"},"source_id":"2505.08857","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:79c0e16e3d30539c6afc0da131b968c2d09ceb58a7c67bfe72cdc08a1137bb35","sha256:961c92fdf5b21a133f053a4f4867c74ab3c6f393c069e9377c0b210697e2c5ce"],"state_sha256":"d293296f5dd8226757514adc063338d3f71e642dbbce1dc6be8846cb8b47e5f1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GBen2Bxzn2s8uS9qeHO2NankWl7OksOxmDexVbHlH4L7/pVkloDw2TtLC8PFp5PlYRRDyMZSfxMvnlizw7b5AA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-18T21:57:40.504428Z","bundle_sha256":"295d10014c16fb178d044b67b67f549e197bad8ff0945dadc6fb95fd618e079f"}}