{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:EWIYPLNCG2VTWTBJUCDZVTIMOC","short_pith_number":"pith:EWIYPLNC","canonical_record":{"source":{"id":"1201.6109","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2012-01-30T06:17:28Z","cross_cats_sorted":["astro-ph.CO","hep-th"],"title_canon_sha256":"e0144a3825822d31b719ff4e467a4ead082b353fb11d0ea63aa1fb021420f532","abstract_canon_sha256":"48bcba0e629a8eb21278dfef4e802c8c92423d1ffdfb436957153d3c3a250f16"},"schema_version":"1.0"},"canonical_sha256":"259187ada236ab3b4c29a0879acd0c70a904be8657de63fb925fc8a7d640bf82","source":{"kind":"arxiv","id":"1201.6109","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1201.6109","created_at":"2026-05-18T01:58:38Z"},{"alias_kind":"arxiv_version","alias_value":"1201.6109v2","created_at":"2026-05-18T01:58:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.6109","created_at":"2026-05-18T01:58:38Z"},{"alias_kind":"pith_short_12","alias_value":"EWIYPLNCG2VT","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_16","alias_value":"EWIYPLNCG2VTWTBJ","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_8","alias_value":"EWIYPLNC","created_at":"2026-05-18T12:27:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:EWIYPLNCG2VTWTBJUCDZVTIMOC","target":"record","payload":{"canonical_record":{"source":{"id":"1201.6109","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2012-01-30T06:17:28Z","cross_cats_sorted":["astro-ph.CO","hep-th"],"title_canon_sha256":"e0144a3825822d31b719ff4e467a4ead082b353fb11d0ea63aa1fb021420f532","abstract_canon_sha256":"48bcba0e629a8eb21278dfef4e802c8c92423d1ffdfb436957153d3c3a250f16"},"schema_version":"1.0"},"canonical_sha256":"259187ada236ab3b4c29a0879acd0c70a904be8657de63fb925fc8a7d640bf82","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:58:38.378581Z","signature_b64":"vrMV4t1TlrwvAOruL+8KUGcfl5HB+Vmn8A6vxAEGewu8kL57MVUQ4SBFgJS8jTgvzUH/aLmJXR7Vg4874zJtCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"259187ada236ab3b4c29a0879acd0c70a904be8657de63fb925fc8a7d640bf82","last_reissued_at":"2026-05-18T01:58:38.377972Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:58:38.377972Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1201.6109","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":"2026-05-18T01:58:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Gj5pA7oNNDpPKsKO59QvjgvOSyiHA5X64d39ZRzJQYV2EZRfjqpWWcAet2kiHOF13hAAF+D63C7kfIfBJGFxAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T16:21:06.456819Z"},"content_sha256":"07aa9ecab6ef8dc8660dac0da3cdc95f73ac68846bddca403aadb223571fe3ff","schema_version":"1.0","event_id":"sha256:07aa9ecab6ef8dc8660dac0da3cdc95f73ac68846bddca403aadb223571fe3ff"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:EWIYPLNCG2VTWTBJUCDZVTIMOC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Bubble collision with gravitation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","hep-th"],"primary_cat":"gr-qc","authors_text":"Bum-Hoon Lee, Dong-han Yeom, Dong-il Hwang, Wonwoo Lee","submitted_at":"2012-01-30T06:17:28Z","abstract_excerpt":"In this paper, we study vacuum bubble collisions with various potentials including gravitation, assuming spherical, planar, and hyperbolic symmetry. We use numerical calculations from double-null formalism. Spherical symmetry can mimic the formation of a black hole via multiple bubble collisions. Planar and especially hyperbolic symmetry describes two bubble collisions. We study both cases, when two true vacuum regions have the same field value or different field values, by varying tensions. For the latter case, we also test symmetric and asymmetric bubble collisions, and see details of causal"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.6109","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":"2026-05-18T01:58:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DwprrUrw+EjtZcZ1pNyCKO95IIFExOuHCDHF9k/BHyHcumfBH8OhYi5eRmPKUKzfRAVA4b7QJhOg99H+lpIECw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T16:21:06.457293Z"},"content_sha256":"4fe0939ed81811f8212bb7b1a446081580b7e79612caad9e83811387cecd2255","schema_version":"1.0","event_id":"sha256:4fe0939ed81811f8212bb7b1a446081580b7e79612caad9e83811387cecd2255"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EWIYPLNCG2VTWTBJUCDZVTIMOC/bundle.json","state_url":"https://pith.science/pith/EWIYPLNCG2VTWTBJUCDZVTIMOC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EWIYPLNCG2VTWTBJUCDZVTIMOC/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":"2026-08-18T16:21:06Z","links":{"resolver":"https://pith.science/pith/EWIYPLNCG2VTWTBJUCDZVTIMOC","bundle":"https://pith.science/pith/EWIYPLNCG2VTWTBJUCDZVTIMOC/bundle.json","state":"https://pith.science/pith/EWIYPLNCG2VTWTBJUCDZVTIMOC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EWIYPLNCG2VTWTBJUCDZVTIMOC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:EWIYPLNCG2VTWTBJUCDZVTIMOC","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":"48bcba0e629a8eb21278dfef4e802c8c92423d1ffdfb436957153d3c3a250f16","cross_cats_sorted":["astro-ph.CO","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2012-01-30T06:17:28Z","title_canon_sha256":"e0144a3825822d31b719ff4e467a4ead082b353fb11d0ea63aa1fb021420f532"},"schema_version":"1.0","source":{"id":"1201.6109","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1201.6109","created_at":"2026-05-18T01:58:38Z"},{"alias_kind":"arxiv_version","alias_value":"1201.6109v2","created_at":"2026-05-18T01:58:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.6109","created_at":"2026-05-18T01:58:38Z"},{"alias_kind":"pith_short_12","alias_value":"EWIYPLNCG2VT","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_16","alias_value":"EWIYPLNCG2VTWTBJ","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_8","alias_value":"EWIYPLNC","created_at":"2026-05-18T12:27:04Z"}],"graph_snapshots":[{"event_id":"sha256:4fe0939ed81811f8212bb7b1a446081580b7e79612caad9e83811387cecd2255","target":"graph","created_at":"2026-05-18T01:58:38Z","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":"In this paper, we study vacuum bubble collisions with various potentials including gravitation, assuming spherical, planar, and hyperbolic symmetry. We use numerical calculations from double-null formalism. Spherical symmetry can mimic the formation of a black hole via multiple bubble collisions. Planar and especially hyperbolic symmetry describes two bubble collisions. We study both cases, when two true vacuum regions have the same field value or different field values, by varying tensions. For the latter case, we also test symmetric and asymmetric bubble collisions, and see details of causal","authors_text":"Bum-Hoon Lee, Dong-han Yeom, Dong-il Hwang, Wonwoo Lee","cross_cats":["astro-ph.CO","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2012-01-30T06:17:28Z","title":"Bubble collision with gravitation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.6109","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":"sha256:07aa9ecab6ef8dc8660dac0da3cdc95f73ac68846bddca403aadb223571fe3ff","target":"record","created_at":"2026-05-18T01:58:38Z","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":"48bcba0e629a8eb21278dfef4e802c8c92423d1ffdfb436957153d3c3a250f16","cross_cats_sorted":["astro-ph.CO","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2012-01-30T06:17:28Z","title_canon_sha256":"e0144a3825822d31b719ff4e467a4ead082b353fb11d0ea63aa1fb021420f532"},"schema_version":"1.0","source":{"id":"1201.6109","kind":"arxiv","version":2}},"canonical_sha256":"259187ada236ab3b4c29a0879acd0c70a904be8657de63fb925fc8a7d640bf82","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"259187ada236ab3b4c29a0879acd0c70a904be8657de63fb925fc8a7d640bf82","first_computed_at":"2026-05-18T01:58:38.377972Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:58:38.377972Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vrMV4t1TlrwvAOruL+8KUGcfl5HB+Vmn8A6vxAEGewu8kL57MVUQ4SBFgJS8jTgvzUH/aLmJXR7Vg4874zJtCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:58:38.378581Z","signed_message":"canonical_sha256_bytes"},"source_id":"1201.6109","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:07aa9ecab6ef8dc8660dac0da3cdc95f73ac68846bddca403aadb223571fe3ff","sha256:4fe0939ed81811f8212bb7b1a446081580b7e79612caad9e83811387cecd2255"],"state_sha256":"77c7d52eb1e824ef410d4c2002325111374769c17cc14ff8fe016f83f1dd094e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PbtDR0EPCSXP7c4FZxWG4DK63j1BF50f72G6JjLKyIky8Z0z3o/KK9eGrl0wKrduEJeVJGgSfzLOc8Nt+6alCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-18T16:21:06.461930Z","bundle_sha256":"52a8346f26f0dd27bab843e7c8dd9e784be4eb4458228c8ca93a9ef31bcbad42"}}