{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:CGHJF65H2JTR76BY3C3S5AGW3B","short_pith_number":"pith:CGHJF65H","canonical_record":{"source":{"id":"2205.03989","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-05-09T01:25:09Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"52df1ccea89ed9b93dde3249c509313d1ed73f54bbb34d8086ed1e54de1b77f1","abstract_canon_sha256":"d57647c7d2f7d832e8cb0e63b2f24e2ccf4bed002575cf6529124a249d96abec"},"schema_version":"1.0"},"canonical_sha256":"118e92fba7d2671ff838d8b72e80d6d85c72d566b02cf40510e5e93bf2231995","source":{"kind":"arxiv","id":"2205.03989","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2205.03989","created_at":"2026-07-05T04:26:03Z"},{"alias_kind":"arxiv_version","alias_value":"2205.03989v1","created_at":"2026-07-05T04:26:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2205.03989","created_at":"2026-07-05T04:26:03Z"},{"alias_kind":"pith_short_12","alias_value":"CGHJF65H2JTR","created_at":"2026-07-05T04:26:03Z"},{"alias_kind":"pith_short_16","alias_value":"CGHJF65H2JTR76BY","created_at":"2026-07-05T04:26:03Z"},{"alias_kind":"pith_short_8","alias_value":"CGHJF65H","created_at":"2026-07-05T04:26:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:CGHJF65H2JTR76BY3C3S5AGW3B","target":"record","payload":{"canonical_record":{"source":{"id":"2205.03989","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-05-09T01:25:09Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"52df1ccea89ed9b93dde3249c509313d1ed73f54bbb34d8086ed1e54de1b77f1","abstract_canon_sha256":"d57647c7d2f7d832e8cb0e63b2f24e2ccf4bed002575cf6529124a249d96abec"},"schema_version":"1.0"},"canonical_sha256":"118e92fba7d2671ff838d8b72e80d6d85c72d566b02cf40510e5e93bf2231995","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:26:03.586000Z","signature_b64":"pRrX+ArCLe4j09WXwd53yIvdWR93CJKjGl1ZOSGhV4fwr9wJvFFfROKuznDsJaQ2n2RUkhtp7z+7gR5toSSVDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"118e92fba7d2671ff838d8b72e80d6d85c72d566b02cf40510e5e93bf2231995","last_reissued_at":"2026-07-05T04:26:03.585571Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:26:03.585571Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2205.03989","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":"2026-07-05T04:26:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Up/wa456Ez9UpQfPQLYDaDEkqLeOrWzcbt/kG9jmoS8LjIDp7ouSzxiHOf0LV0Od52+p7yN4O/xisx5nphN5Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T18:57:42.777175Z"},"content_sha256":"36c49a462cdeb07b2dec1fc98462a45c3cc507aeb16def93016db129f833feac","schema_version":"1.0","event_id":"sha256:36c49a462cdeb07b2dec1fc98462a45c3cc507aeb16def93016db129f833feac"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:CGHJF65H2JTR76BY3C3S5AGW3B","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Wide binary pulsars from electron-capture supernovae","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.HE","authors_text":"Alejandro Vigna-Gomez, Floor Broekgaarden, Reinhold Willcox, Simon Stevenson","submitted_at":"2022-05-09T01:25:09Z","abstract_excerpt":"Neutron stars receive velocity kicks at birth in supernovae. Those formed in electron-capture supernovae from super asymptotic giant branch stars -- the lowest mass stars to end their lives in supernovae -- may receive significantly lower kicks than typical neutron stars. Given that many massive stars are members of wide binaries, this suggests the existence of a population of low-mass ($1.25 < M_\\mathrm{psr} / $M$_\\odot < 1.3$), wide ($P_\\mathrm{orb} \\gtrsim 10^{4}$\\,day), eccentric ($e \\sim 0.7$), unrecycled ($P_\\mathrm{spin} \\sim 1$\\,s) binary pulsars. The formation rate of such binaries is"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2205.03989","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/2205.03989/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":"2026-07-05T04:26:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kY/9+oqEodV8/LCxTv+3iZ3yBlBwp4qxo75mYIkosEwWOcWvMU2BIi0uS7pOL/SPV0qeX60uLl+zihvsFyJ9DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T18:57:42.777770Z"},"content_sha256":"0860796d55c2d7efaa21998595717e791e2f1132d1d209a2494a7b1573262f97","schema_version":"1.0","event_id":"sha256:0860796d55c2d7efaa21998595717e791e2f1132d1d209a2494a7b1573262f97"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CGHJF65H2JTR76BY3C3S5AGW3B/bundle.json","state_url":"https://pith.science/pith/CGHJF65H2JTR76BY3C3S5AGW3B/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CGHJF65H2JTR76BY3C3S5AGW3B/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":"2026-08-06T18:57:42Z","links":{"resolver":"https://pith.science/pith/CGHJF65H2JTR76BY3C3S5AGW3B","bundle":"https://pith.science/pith/CGHJF65H2JTR76BY3C3S5AGW3B/bundle.json","state":"https://pith.science/pith/CGHJF65H2JTR76BY3C3S5AGW3B/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CGHJF65H2JTR76BY3C3S5AGW3B/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:CGHJF65H2JTR76BY3C3S5AGW3B","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":"d57647c7d2f7d832e8cb0e63b2f24e2ccf4bed002575cf6529124a249d96abec","cross_cats_sorted":["astro-ph.SR"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-05-09T01:25:09Z","title_canon_sha256":"52df1ccea89ed9b93dde3249c509313d1ed73f54bbb34d8086ed1e54de1b77f1"},"schema_version":"1.0","source":{"id":"2205.03989","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2205.03989","created_at":"2026-07-05T04:26:03Z"},{"alias_kind":"arxiv_version","alias_value":"2205.03989v1","created_at":"2026-07-05T04:26:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2205.03989","created_at":"2026-07-05T04:26:03Z"},{"alias_kind":"pith_short_12","alias_value":"CGHJF65H2JTR","created_at":"2026-07-05T04:26:03Z"},{"alias_kind":"pith_short_16","alias_value":"CGHJF65H2JTR76BY","created_at":"2026-07-05T04:26:03Z"},{"alias_kind":"pith_short_8","alias_value":"CGHJF65H","created_at":"2026-07-05T04:26:03Z"}],"graph_snapshots":[{"event_id":"sha256:0860796d55c2d7efaa21998595717e791e2f1132d1d209a2494a7b1573262f97","target":"graph","created_at":"2026-07-05T04:26:03Z","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/2205.03989/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Neutron stars receive velocity kicks at birth in supernovae. Those formed in electron-capture supernovae from super asymptotic giant branch stars -- the lowest mass stars to end their lives in supernovae -- may receive significantly lower kicks than typical neutron stars. Given that many massive stars are members of wide binaries, this suggests the existence of a population of low-mass ($1.25 < M_\\mathrm{psr} / $M$_\\odot < 1.3$), wide ($P_\\mathrm{orb} \\gtrsim 10^{4}$\\,day), eccentric ($e \\sim 0.7$), unrecycled ($P_\\mathrm{spin} \\sim 1$\\,s) binary pulsars. The formation rate of such binaries is","authors_text":"Alejandro Vigna-Gomez, Floor Broekgaarden, Reinhold Willcox, Simon Stevenson","cross_cats":["astro-ph.SR"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-05-09T01:25:09Z","title":"Wide binary pulsars from electron-capture supernovae"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2205.03989","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":"sha256:36c49a462cdeb07b2dec1fc98462a45c3cc507aeb16def93016db129f833feac","target":"record","created_at":"2026-07-05T04:26:03Z","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":"d57647c7d2f7d832e8cb0e63b2f24e2ccf4bed002575cf6529124a249d96abec","cross_cats_sorted":["astro-ph.SR"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-05-09T01:25:09Z","title_canon_sha256":"52df1ccea89ed9b93dde3249c509313d1ed73f54bbb34d8086ed1e54de1b77f1"},"schema_version":"1.0","source":{"id":"2205.03989","kind":"arxiv","version":1}},"canonical_sha256":"118e92fba7d2671ff838d8b72e80d6d85c72d566b02cf40510e5e93bf2231995","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"118e92fba7d2671ff838d8b72e80d6d85c72d566b02cf40510e5e93bf2231995","first_computed_at":"2026-07-05T04:26:03.585571Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:26:03.585571Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"pRrX+ArCLe4j09WXwd53yIvdWR93CJKjGl1ZOSGhV4fwr9wJvFFfROKuznDsJaQ2n2RUkhtp7z+7gR5toSSVDA==","signature_status":"signed_v1","signed_at":"2026-07-05T04:26:03.586000Z","signed_message":"canonical_sha256_bytes"},"source_id":"2205.03989","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:36c49a462cdeb07b2dec1fc98462a45c3cc507aeb16def93016db129f833feac","sha256:0860796d55c2d7efaa21998595717e791e2f1132d1d209a2494a7b1573262f97"],"state_sha256":"d5c165503b23b77a29f7e578daecda901525f33cce46536d2685e54a839a4bbf"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hTf/9nXXaLYWp5khoyikp6+Ew8Mv5S6E8pGE6SsMWHJCNuR8WtbhhKpozBB5NdgDIfcyDA8jQ+eJQbTfVALoCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T18:57:42.784059Z","bundle_sha256":"f5e71c8b7b0b8dcb891e63e2dd5f79eef5027c8df831f02f91b728add8cc4b53"}}