{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:KKXRSTRYL25TAXCFRIV6H2OHVV","short_pith_number":"pith:KKXRSTRY","canonical_record":{"source":{"id":"1307.8081","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-07-30T18:39:21Z","cross_cats_sorted":["hep-th","math-ph","math.MP"],"title_canon_sha256":"e0c2f97a79c9bb33222f6e29253c38c044bd3af935620de2824f1d04b740d5b4","abstract_canon_sha256":"1dbbc609a80430af2fc09a13c09f6746b6ee29bf2ed5981bf2cd865e46227125"},"schema_version":"1.0"},"canonical_sha256":"52af194e385ebb305c458a2be3e9c7ad7dabd723262699a2d816d073c8a0c09d","source":{"kind":"arxiv","id":"1307.8081","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1307.8081","created_at":"2026-05-18T02:38:17Z"},{"alias_kind":"arxiv_version","alias_value":"1307.8081v2","created_at":"2026-05-18T02:38:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1307.8081","created_at":"2026-05-18T02:38:17Z"},{"alias_kind":"pith_short_12","alias_value":"KKXRSTRYL25T","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_16","alias_value":"KKXRSTRYL25TAXCF","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_8","alias_value":"KKXRSTRY","created_at":"2026-05-18T12:27:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:KKXRSTRYL25TAXCFRIV6H2OHVV","target":"record","payload":{"canonical_record":{"source":{"id":"1307.8081","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-07-30T18:39:21Z","cross_cats_sorted":["hep-th","math-ph","math.MP"],"title_canon_sha256":"e0c2f97a79c9bb33222f6e29253c38c044bd3af935620de2824f1d04b740d5b4","abstract_canon_sha256":"1dbbc609a80430af2fc09a13c09f6746b6ee29bf2ed5981bf2cd865e46227125"},"schema_version":"1.0"},"canonical_sha256":"52af194e385ebb305c458a2be3e9c7ad7dabd723262699a2d816d073c8a0c09d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:38:17.133862Z","signature_b64":"XR0EBbBsLVwXZB+QLCK5Se8mxpAAXPM8tF4Qebmn0P02+Iq5JgRL42p2TKGrlbUvL2G1xE0R+6o/qsDpCiXMDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"52af194e385ebb305c458a2be3e9c7ad7dabd723262699a2d816d073c8a0c09d","last_reissued_at":"2026-05-18T02:38:17.133237Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:38:17.133237Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1307.8081","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":"2026-05-18T02:38:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X4ryM6q7UCy1G5a77I8PKSWXExzGoR7P+Ei5/zeOXbixJzj6+q7i550rAWlOt/gfJJ+M1IqmSNlrYeTFe3xsAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T10:18:59.458293Z"},"content_sha256":"d23703e5f1adb05ade23c4d3bb1c9b459e8d0e3f1bfeceec4a49edc86ea2e523","schema_version":"1.0","event_id":"sha256:d23703e5f1adb05ade23c4d3bb1c9b459e8d0e3f1bfeceec4a49edc86ea2e523"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:KKXRSTRYL25TAXCFRIV6H2OHVV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Proof of the most general multiple-scalar field theory in Minkowski space-time free of Ostrogradski Ghost","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th","math-ph","math.MP"],"primary_cat":"gr-qc","authors_text":"Vishagan Sivanesan","submitted_at":"2013-07-30T18:39:21Z","abstract_excerpt":"We give a proof of the most general multiple scalar field theory in flat space-time free of Ostrogradski ghosts. We start from the assumption that the action is a functional of the scalar fields and their derivatives of order upto two (which in general can have field equations of derivative order up to four), and arrive at the most-general field theory that can be constructed such that the field equations are of derivative order up to two. Naturally, this theory includes all physically viable multi-scalar field theories in flat space-time, in the sense that they don't suffer from Ostrogradski "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.8081","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":"2026-05-18T02:38:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Kn0kNgK2dLBS8S78kncKpxHZknxT7WPVmIPxFnCgifgS/7xcKKj5bqoTCjBTfV4cnKzSlWGE51ficA+nGJqLDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T10:18:59.459493Z"},"content_sha256":"87665e39eea72fe1f846c732e463dde6ba2f8d0cb0c813b5a39cd81b0871e0c2","schema_version":"1.0","event_id":"sha256:87665e39eea72fe1f846c732e463dde6ba2f8d0cb0c813b5a39cd81b0871e0c2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KKXRSTRYL25TAXCFRIV6H2OHVV/bundle.json","state_url":"https://pith.science/pith/KKXRSTRYL25TAXCFRIV6H2OHVV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KKXRSTRYL25TAXCFRIV6H2OHVV/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":"2026-08-04T10:18:59Z","links":{"resolver":"https://pith.science/pith/KKXRSTRYL25TAXCFRIV6H2OHVV","bundle":"https://pith.science/pith/KKXRSTRYL25TAXCFRIV6H2OHVV/bundle.json","state":"https://pith.science/pith/KKXRSTRYL25TAXCFRIV6H2OHVV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KKXRSTRYL25TAXCFRIV6H2OHVV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:KKXRSTRYL25TAXCFRIV6H2OHVV","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":"1dbbc609a80430af2fc09a13c09f6746b6ee29bf2ed5981bf2cd865e46227125","cross_cats_sorted":["hep-th","math-ph","math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-07-30T18:39:21Z","title_canon_sha256":"e0c2f97a79c9bb33222f6e29253c38c044bd3af935620de2824f1d04b740d5b4"},"schema_version":"1.0","source":{"id":"1307.8081","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1307.8081","created_at":"2026-05-18T02:38:17Z"},{"alias_kind":"arxiv_version","alias_value":"1307.8081v2","created_at":"2026-05-18T02:38:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1307.8081","created_at":"2026-05-18T02:38:17Z"},{"alias_kind":"pith_short_12","alias_value":"KKXRSTRYL25T","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_16","alias_value":"KKXRSTRYL25TAXCF","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_8","alias_value":"KKXRSTRY","created_at":"2026-05-18T12:27:51Z"}],"graph_snapshots":[{"event_id":"sha256:87665e39eea72fe1f846c732e463dde6ba2f8d0cb0c813b5a39cd81b0871e0c2","target":"graph","created_at":"2026-05-18T02:38:17Z","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 give a proof of the most general multiple scalar field theory in flat space-time free of Ostrogradski ghosts. We start from the assumption that the action is a functional of the scalar fields and their derivatives of order upto two (which in general can have field equations of derivative order up to four), and arrive at the most-general field theory that can be constructed such that the field equations are of derivative order up to two. Naturally, this theory includes all physically viable multi-scalar field theories in flat space-time, in the sense that they don't suffer from Ostrogradski ","authors_text":"Vishagan Sivanesan","cross_cats":["hep-th","math-ph","math.MP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-07-30T18:39:21Z","title":"Proof of the most general multiple-scalar field theory in Minkowski space-time free of Ostrogradski Ghost"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.8081","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:d23703e5f1adb05ade23c4d3bb1c9b459e8d0e3f1bfeceec4a49edc86ea2e523","target":"record","created_at":"2026-05-18T02:38:17Z","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":"1dbbc609a80430af2fc09a13c09f6746b6ee29bf2ed5981bf2cd865e46227125","cross_cats_sorted":["hep-th","math-ph","math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-07-30T18:39:21Z","title_canon_sha256":"e0c2f97a79c9bb33222f6e29253c38c044bd3af935620de2824f1d04b740d5b4"},"schema_version":"1.0","source":{"id":"1307.8081","kind":"arxiv","version":2}},"canonical_sha256":"52af194e385ebb305c458a2be3e9c7ad7dabd723262699a2d816d073c8a0c09d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"52af194e385ebb305c458a2be3e9c7ad7dabd723262699a2d816d073c8a0c09d","first_computed_at":"2026-05-18T02:38:17.133237Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:38:17.133237Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XR0EBbBsLVwXZB+QLCK5Se8mxpAAXPM8tF4Qebmn0P02+Iq5JgRL42p2TKGrlbUvL2G1xE0R+6o/qsDpCiXMDw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:38:17.133862Z","signed_message":"canonical_sha256_bytes"},"source_id":"1307.8081","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d23703e5f1adb05ade23c4d3bb1c9b459e8d0e3f1bfeceec4a49edc86ea2e523","sha256:87665e39eea72fe1f846c732e463dde6ba2f8d0cb0c813b5a39cd81b0871e0c2"],"state_sha256":"5b489ddb695f0bf97cc76d649529be3d9ee0a5b427bf4c4e139883e45afda270"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"p7s7MZGEDdSbROLzPORSHwuj7WcjXVBIFSbwwl8b2KzD3tKELRQWcsg5sW9PMpPhfJL4Ldxo5wqfUIgIH5JrAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T10:18:59.466196Z","bundle_sha256":"035003935b8b72d3d10d82766c12dc494851af562b533b22f8bc04fd2248e1d7"}}