{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:JYPW7NCYG6GPRZVHLWGOMDXW2T","short_pith_number":"pith:JYPW7NCY","canonical_record":{"source":{"id":"1412.7899","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-12-26T07:00:44Z","cross_cats_sorted":[],"title_canon_sha256":"3116726f5c3b41c82fd72e8313a7f1ca39433dc45a9f977a40c1a32304d6d8a8","abstract_canon_sha256":"061da49c50fc1e33f8e6b22418058dc839be1054b546b3a784efd7ee8dc75224"},"schema_version":"1.0"},"canonical_sha256":"4e1f6fb458378cf8e6a75d8ce60ef6d4ecd22413b760fb5826aea23f38b418d5","source":{"kind":"arxiv","id":"1412.7899","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1412.7899","created_at":"2026-05-18T02:30:24Z"},{"alias_kind":"arxiv_version","alias_value":"1412.7899v1","created_at":"2026-05-18T02:30:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.7899","created_at":"2026-05-18T02:30:24Z"},{"alias_kind":"pith_short_12","alias_value":"JYPW7NCYG6GP","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_16","alias_value":"JYPW7NCYG6GPRZVH","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_8","alias_value":"JYPW7NCY","created_at":"2026-05-18T12:28:35Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:JYPW7NCYG6GPRZVHLWGOMDXW2T","target":"record","payload":{"canonical_record":{"source":{"id":"1412.7899","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-12-26T07:00:44Z","cross_cats_sorted":[],"title_canon_sha256":"3116726f5c3b41c82fd72e8313a7f1ca39433dc45a9f977a40c1a32304d6d8a8","abstract_canon_sha256":"061da49c50fc1e33f8e6b22418058dc839be1054b546b3a784efd7ee8dc75224"},"schema_version":"1.0"},"canonical_sha256":"4e1f6fb458378cf8e6a75d8ce60ef6d4ecd22413b760fb5826aea23f38b418d5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:30:24.784707Z","signature_b64":"wh60aJFryo7jJjRNWITrDJwxZBHVSd8Y9FRe92DMGlpV/BDjaHVyXmO24GQ1nIjyLjgkrEJPwdJDgEo8EUDrAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4e1f6fb458378cf8e6a75d8ce60ef6d4ecd22413b760fb5826aea23f38b418d5","last_reissued_at":"2026-05-18T02:30:24.784138Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:30:24.784138Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1412.7899","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":"2026-05-18T02:30:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qFXoM9IrqVb2Jw0MJCMWkmk56tLABypIOv7RlWQ8yB0QbLv5tahdK7o+j+mrbCROBu2RYMEjNVBV9bWXPNXjAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T18:46:22.895183Z"},"content_sha256":"79786ed37d73f06fbcde8eff6fd1a24ed6863ccacbb579998ca57a80463ce88b","schema_version":"1.0","event_id":"sha256:79786ed37d73f06fbcde8eff6fd1a24ed6863ccacbb579998ca57a80463ce88b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:JYPW7NCYG6GPRZVHLWGOMDXW2T","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Thin shell model revisited","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Sijie Gao, Xiaobao Wang","submitted_at":"2014-12-26T07:00:44Z","abstract_excerpt":"We reconsider some fundamental problems of the thin shell model. First, we point out that the \"cut and paste\" construction does not guarantee a well-defined manifold because there is no overlap of coordinates across the shell. When one requires that the spacetime metric across the thin shell is continuous, it also provides a way to specify the tangent space and the manifold. Other authors have shown that this specification leads to the conservation laws when shells collide. On the other hand, the well-known areal radius $r$ seems to be a perfect coordinate covering all regions of a spherically"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.7899","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":"2026-05-18T02:30:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"492Y3Q8bxSY+vDGwcPfsNcFrC/rGRSO89NzpIKwrfrHAS8XhSq9fEOafE4YWgbqzYZKUob1NmTMxPvmEaBcIAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T18:46:22.895540Z"},"content_sha256":"31586c7381cc6ef6ebd9745e7fb1c606846cfde1bdbcc2d3d5d2fe45329e4ff6","schema_version":"1.0","event_id":"sha256:31586c7381cc6ef6ebd9745e7fb1c606846cfde1bdbcc2d3d5d2fe45329e4ff6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JYPW7NCYG6GPRZVHLWGOMDXW2T/bundle.json","state_url":"https://pith.science/pith/JYPW7NCYG6GPRZVHLWGOMDXW2T/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JYPW7NCYG6GPRZVHLWGOMDXW2T/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":"2026-06-27T18:46:22Z","links":{"resolver":"https://pith.science/pith/JYPW7NCYG6GPRZVHLWGOMDXW2T","bundle":"https://pith.science/pith/JYPW7NCYG6GPRZVHLWGOMDXW2T/bundle.json","state":"https://pith.science/pith/JYPW7NCYG6GPRZVHLWGOMDXW2T/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JYPW7NCYG6GPRZVHLWGOMDXW2T/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:JYPW7NCYG6GPRZVHLWGOMDXW2T","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":"061da49c50fc1e33f8e6b22418058dc839be1054b546b3a784efd7ee8dc75224","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-12-26T07:00:44Z","title_canon_sha256":"3116726f5c3b41c82fd72e8313a7f1ca39433dc45a9f977a40c1a32304d6d8a8"},"schema_version":"1.0","source":{"id":"1412.7899","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1412.7899","created_at":"2026-05-18T02:30:24Z"},{"alias_kind":"arxiv_version","alias_value":"1412.7899v1","created_at":"2026-05-18T02:30:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.7899","created_at":"2026-05-18T02:30:24Z"},{"alias_kind":"pith_short_12","alias_value":"JYPW7NCYG6GP","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_16","alias_value":"JYPW7NCYG6GPRZVH","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_8","alias_value":"JYPW7NCY","created_at":"2026-05-18T12:28:35Z"}],"graph_snapshots":[{"event_id":"sha256:31586c7381cc6ef6ebd9745e7fb1c606846cfde1bdbcc2d3d5d2fe45329e4ff6","target":"graph","created_at":"2026-05-18T02:30:24Z","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":"We reconsider some fundamental problems of the thin shell model. First, we point out that the \"cut and paste\" construction does not guarantee a well-defined manifold because there is no overlap of coordinates across the shell. When one requires that the spacetime metric across the thin shell is continuous, it also provides a way to specify the tangent space and the manifold. Other authors have shown that this specification leads to the conservation laws when shells collide. On the other hand, the well-known areal radius $r$ seems to be a perfect coordinate covering all regions of a spherically","authors_text":"Sijie Gao, Xiaobao Wang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-12-26T07:00:44Z","title":"Thin shell model revisited"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.7899","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":"sha256:79786ed37d73f06fbcde8eff6fd1a24ed6863ccacbb579998ca57a80463ce88b","target":"record","created_at":"2026-05-18T02:30:24Z","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":"061da49c50fc1e33f8e6b22418058dc839be1054b546b3a784efd7ee8dc75224","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-12-26T07:00:44Z","title_canon_sha256":"3116726f5c3b41c82fd72e8313a7f1ca39433dc45a9f977a40c1a32304d6d8a8"},"schema_version":"1.0","source":{"id":"1412.7899","kind":"arxiv","version":1}},"canonical_sha256":"4e1f6fb458378cf8e6a75d8ce60ef6d4ecd22413b760fb5826aea23f38b418d5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4e1f6fb458378cf8e6a75d8ce60ef6d4ecd22413b760fb5826aea23f38b418d5","first_computed_at":"2026-05-18T02:30:24.784138Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:30:24.784138Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wh60aJFryo7jJjRNWITrDJwxZBHVSd8Y9FRe92DMGlpV/BDjaHVyXmO24GQ1nIjyLjgkrEJPwdJDgEo8EUDrAg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:30:24.784707Z","signed_message":"canonical_sha256_bytes"},"source_id":"1412.7899","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:79786ed37d73f06fbcde8eff6fd1a24ed6863ccacbb579998ca57a80463ce88b","sha256:31586c7381cc6ef6ebd9745e7fb1c606846cfde1bdbcc2d3d5d2fe45329e4ff6"],"state_sha256":"f848a198288a6a98527aeaa0e32bc92026c1001c3e036a7b3419325035dbe81e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Pvvo73MCG1FbstKLV56LL5NDKX/sGtoUQqB95EVQDamIUR0neTtEoNW7l3SgRA8Dphod3xDAZbYJDTERcekfAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-27T18:46:22.897373Z","bundle_sha256":"3ded42ba6e9b836255107b1c62fb9decda45017cb495c86cc5be7bb592b6532f"}}