{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:ZVFVVT6Z6TLLFYF3BHAMV6E5FS","short_pith_number":"pith:ZVFVVT6Z","canonical_record":{"source":{"id":"1010.0674","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-10-04T20:00:01Z","cross_cats_sorted":["astro-ph.SR","hep-ph"],"title_canon_sha256":"470e54db602b5dd9f768f5fcec73fbbdd0f86ec902b35191738c9405f7bd8c2f","abstract_canon_sha256":"39b30962865932e1bfe32120ebd5b05d13dd1d393057db2316885dd65c2d5555"},"schema_version":"1.0"},"canonical_sha256":"cd4b5acfd9f4d6b2e0bb09c0caf89d2cb37162acb07e886f0aa3b4a06276237b","source":{"kind":"arxiv","id":"1010.0674","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1010.0674","created_at":"2026-05-18T02:23:47Z"},{"alias_kind":"arxiv_version","alias_value":"1010.0674v2","created_at":"2026-05-18T02:23:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1010.0674","created_at":"2026-05-18T02:23:47Z"},{"alias_kind":"pith_short_12","alias_value":"ZVFVVT6Z6TLL","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_16","alias_value":"ZVFVVT6Z6TLLFYF3","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_8","alias_value":"ZVFVVT6Z","created_at":"2026-05-18T12:26:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:ZVFVVT6Z6TLLFYF3BHAMV6E5FS","target":"record","payload":{"canonical_record":{"source":{"id":"1010.0674","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-10-04T20:00:01Z","cross_cats_sorted":["astro-ph.SR","hep-ph"],"title_canon_sha256":"470e54db602b5dd9f768f5fcec73fbbdd0f86ec902b35191738c9405f7bd8c2f","abstract_canon_sha256":"39b30962865932e1bfe32120ebd5b05d13dd1d393057db2316885dd65c2d5555"},"schema_version":"1.0"},"canonical_sha256":"cd4b5acfd9f4d6b2e0bb09c0caf89d2cb37162acb07e886f0aa3b4a06276237b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:23:47.100366Z","signature_b64":"27o/0BZxPq2zvVdX3CrK9Vtw++8IFi+9lC8B5PXKnPpYG6m2+tFV/kACl+3ctSLU2Oib+lon+SnSVJkSB2FCDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cd4b5acfd9f4d6b2e0bb09c0caf89d2cb37162acb07e886f0aa3b4a06276237b","last_reissued_at":"2026-05-18T02:23:47.099781Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:23:47.099781Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1010.0674","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:23:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0Ncsg+uxxwhjI/DO3vIVUaqWt+DABX9TQmR05B4E4QY71OVTowTeXz8lfRg+jwaPqzkUa9CXIq4pHabDJFplBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T17:35:27.810925Z"},"content_sha256":"30d87e04a9140967f3e82e2e18ccb78f7d1104fb97597079e3c82e0b579c9d37","schema_version":"1.0","event_id":"sha256:30d87e04a9140967f3e82e2e18ccb78f7d1104fb97597079e3c82e0b579c9d37"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:ZVFVVT6Z6TLLFYF3BHAMV6E5FS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Theoretical Support for the Hydrodynamic Mechanism of Pulsar Kicks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR","hep-ph"],"primary_cat":"astro-ph.HE","authors_text":"A. Burrows (Princeton), C. D. Ott (Caltech), E. Livne (Hebrew Univ.), J. Nordhaus (Princeton), T. D. Brandt (Princeton)","submitted_at":"2010-10-04T20:00:01Z","abstract_excerpt":"The collapse of a massive star's core, followed by a neutrino-driven, asymmetric supernova explosion, can naturally lead to pulsar recoils and neutron star kicks. Here, we present a two-dimensional, radiation-hydrodynamic simulation in which core collapse leads to significant acceleration of a fully-formed, nascent neutron star (NS) via an induced, neutrino-driven explosion. During the explosion, a ~10% anisotropy in the low-mass, high-velocity ejecta lead to recoil of the high-mass neutron star. At the end of our simulation, the NS has achieved a velocity of ~150 km s$^{-1}$ and is accelerati"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1010.0674","kind":"arxiv","version":2},"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":"2026-05-18T02:23:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"w7zwdekiYuuErBIDsT+VUf+y3CxpQIRYg6Rk+xTjWUquLimg5jwKOUZH54aP5upjxOUmjdreW4U2JgMv9LbfCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T17:35:27.811524Z"},"content_sha256":"1cb92c0fde9b482af09eae9a777d9c3bca25ce394e621588f04a59785a6ba039","schema_version":"1.0","event_id":"sha256:1cb92c0fde9b482af09eae9a777d9c3bca25ce394e621588f04a59785a6ba039"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZVFVVT6Z6TLLFYF3BHAMV6E5FS/bundle.json","state_url":"https://pith.science/pith/ZVFVVT6Z6TLLFYF3BHAMV6E5FS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZVFVVT6Z6TLLFYF3BHAMV6E5FS/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":"2026-05-19T17:35:27Z","links":{"resolver":"https://pith.science/pith/ZVFVVT6Z6TLLFYF3BHAMV6E5FS","bundle":"https://pith.science/pith/ZVFVVT6Z6TLLFYF3BHAMV6E5FS/bundle.json","state":"https://pith.science/pith/ZVFVVT6Z6TLLFYF3BHAMV6E5FS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZVFVVT6Z6TLLFYF3BHAMV6E5FS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:ZVFVVT6Z6TLLFYF3BHAMV6E5FS","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":"39b30962865932e1bfe32120ebd5b05d13dd1d393057db2316885dd65c2d5555","cross_cats_sorted":["astro-ph.SR","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-10-04T20:00:01Z","title_canon_sha256":"470e54db602b5dd9f768f5fcec73fbbdd0f86ec902b35191738c9405f7bd8c2f"},"schema_version":"1.0","source":{"id":"1010.0674","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1010.0674","created_at":"2026-05-18T02:23:47Z"},{"alias_kind":"arxiv_version","alias_value":"1010.0674v2","created_at":"2026-05-18T02:23:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1010.0674","created_at":"2026-05-18T02:23:47Z"},{"alias_kind":"pith_short_12","alias_value":"ZVFVVT6Z6TLL","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_16","alias_value":"ZVFVVT6Z6TLLFYF3","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_8","alias_value":"ZVFVVT6Z","created_at":"2026-05-18T12:26:18Z"}],"graph_snapshots":[{"event_id":"sha256:1cb92c0fde9b482af09eae9a777d9c3bca25ce394e621588f04a59785a6ba039","target":"graph","created_at":"2026-05-18T02:23:47Z","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 collapse of a massive star's core, followed by a neutrino-driven, asymmetric supernova explosion, can naturally lead to pulsar recoils and neutron star kicks. Here, we present a two-dimensional, radiation-hydrodynamic simulation in which core collapse leads to significant acceleration of a fully-formed, nascent neutron star (NS) via an induced, neutrino-driven explosion. During the explosion, a ~10% anisotropy in the low-mass, high-velocity ejecta lead to recoil of the high-mass neutron star. At the end of our simulation, the NS has achieved a velocity of ~150 km s$^{-1}$ and is accelerati","authors_text":"A. Burrows (Princeton), C. D. Ott (Caltech), E. Livne (Hebrew Univ.), J. Nordhaus (Princeton), T. D. Brandt (Princeton)","cross_cats":["astro-ph.SR","hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-10-04T20:00:01Z","title":"Theoretical Support for the Hydrodynamic Mechanism of Pulsar Kicks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1010.0674","kind":"arxiv","version":2},"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":"sha256:30d87e04a9140967f3e82e2e18ccb78f7d1104fb97597079e3c82e0b579c9d37","target":"record","created_at":"2026-05-18T02:23:47Z","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":"39b30962865932e1bfe32120ebd5b05d13dd1d393057db2316885dd65c2d5555","cross_cats_sorted":["astro-ph.SR","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-10-04T20:00:01Z","title_canon_sha256":"470e54db602b5dd9f768f5fcec73fbbdd0f86ec902b35191738c9405f7bd8c2f"},"schema_version":"1.0","source":{"id":"1010.0674","kind":"arxiv","version":2}},"canonical_sha256":"cd4b5acfd9f4d6b2e0bb09c0caf89d2cb37162acb07e886f0aa3b4a06276237b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cd4b5acfd9f4d6b2e0bb09c0caf89d2cb37162acb07e886f0aa3b4a06276237b","first_computed_at":"2026-05-18T02:23:47.099781Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:23:47.099781Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"27o/0BZxPq2zvVdX3CrK9Vtw++8IFi+9lC8B5PXKnPpYG6m2+tFV/kACl+3ctSLU2Oib+lon+SnSVJkSB2FCDg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:23:47.100366Z","signed_message":"canonical_sha256_bytes"},"source_id":"1010.0674","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:30d87e04a9140967f3e82e2e18ccb78f7d1104fb97597079e3c82e0b579c9d37","sha256:1cb92c0fde9b482af09eae9a777d9c3bca25ce394e621588f04a59785a6ba039"],"state_sha256":"4c2b7ce7091fad3f6278ec48c96b9322ed06f7b80118300c14c06e65818d1e0e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AAyX2ffI3of9QhrlpNXI5mUPmGQsWTPsi4/r8Tm8zlczWl2tLJpDwDrOplXotAiGoWN0FRLixj/UsBqTdz7RCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-19T17:35:27.814743Z","bundle_sha256":"93ea8ffe9f147070a93c32a35e88e94b312e150d36fc3b714475b2f4682c2eac"}}