{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:Y52G74UHTLFLMB67CRHKFPOUDW","short_pith_number":"pith:Y52G74UH","canonical_record":{"source":{"id":"1104.4387","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2011-04-22T05:54:40Z","cross_cats_sorted":[],"title_canon_sha256":"d2408300a39b02b4ade96a07b72c4cccb53b320c19ed2e11bd35d6115924e348","abstract_canon_sha256":"7705c603db0a0ccf258b1eeca01e59005b38f85b55052d5d8aaf5ab9eb39c264"},"schema_version":"1.0"},"canonical_sha256":"c7746ff2879acab607df144ea2bdd41dbc8dd2c3d37666ed843b0f5120e29a8a","source":{"kind":"arxiv","id":"1104.4387","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1104.4387","created_at":"2026-05-18T04:14:47Z"},{"alias_kind":"arxiv_version","alias_value":"1104.4387v1","created_at":"2026-05-18T04:14:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1104.4387","created_at":"2026-05-18T04:14:47Z"},{"alias_kind":"pith_short_12","alias_value":"Y52G74UHTLFL","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_16","alias_value":"Y52G74UHTLFLMB67","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_8","alias_value":"Y52G74UH","created_at":"2026-05-18T12:26:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:Y52G74UHTLFLMB67CRHKFPOUDW","target":"record","payload":{"canonical_record":{"source":{"id":"1104.4387","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2011-04-22T05:54:40Z","cross_cats_sorted":[],"title_canon_sha256":"d2408300a39b02b4ade96a07b72c4cccb53b320c19ed2e11bd35d6115924e348","abstract_canon_sha256":"7705c603db0a0ccf258b1eeca01e59005b38f85b55052d5d8aaf5ab9eb39c264"},"schema_version":"1.0"},"canonical_sha256":"c7746ff2879acab607df144ea2bdd41dbc8dd2c3d37666ed843b0f5120e29a8a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:14:47.179773Z","signature_b64":"KlRW0uBrdBvrsnJOxNLjVJQdM+zliROA6/wghnXTL4kp5oKaaludfEO1qkWFQvr88AI659Md1d/iQsY1pmPSDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c7746ff2879acab607df144ea2bdd41dbc8dd2c3d37666ed843b0f5120e29a8a","last_reissued_at":"2026-05-18T04:14:47.179349Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:14:47.179349Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1104.4387","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":"2026-05-18T04:14:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"P4ZFho/+QqXYyXyvcR0/YSLvU29l6skVSBXg32oRq0DGGFSA+gBWiwoF6hTJJh3bGIOPUY5v82CHGH6140iWCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T19:00:09.939513Z"},"content_sha256":"16351bf7e25fec1abf9017589c23374fa84f2791f7c6016724661dd3e4dd1219","schema_version":"1.0","event_id":"sha256:16351bf7e25fec1abf9017589c23374fa84f2791f7c6016724661dd3e4dd1219"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:Y52G74UHTLFLMB67CRHKFPOUDW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Ectoplasm with an Edge","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"C. Strickland-Constable, K. S. Stelle, P. S. Howe, T. G. Pugh","submitted_at":"2011-04-22T05:54:40Z","abstract_excerpt":"The construction of supersymmetric invariant actions on a spacetime manifold with a boundary is carried out using the \"ectoplasm\" formalism for the construction of closed forms in superspace. Non-trivial actions are obtained from the pull-backs to the bosonic bodies of closed but non-exact forms in superspace; finding supersymmetric invariants thus becomes a cohomology problem. For a spacetime with a boundary, the appropriate mathematical language changes to relative cohomology, which we use to give a general formulation of off-shell supersymmetric invariants in the presence of boundaries. We "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1104.4387","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":"2026-05-18T04:14:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QlF4zNVh6kiEcAXUVNKA3WMoRf+fHNhuFwxB3IgdygH/k5kNgKRH9MqFjJXT2SQUkTRzzPiaHj0aOyyxcL+3Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T19:00:09.939868Z"},"content_sha256":"c64ff6d1beae047ca5089aabf8c0fba5d2aad1ac15dd5c4241134d6f2994f993","schema_version":"1.0","event_id":"sha256:c64ff6d1beae047ca5089aabf8c0fba5d2aad1ac15dd5c4241134d6f2994f993"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Y52G74UHTLFLMB67CRHKFPOUDW/bundle.json","state_url":"https://pith.science/pith/Y52G74UHTLFLMB67CRHKFPOUDW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Y52G74UHTLFLMB67CRHKFPOUDW/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":"2026-06-01T19:00:09Z","links":{"resolver":"https://pith.science/pith/Y52G74UHTLFLMB67CRHKFPOUDW","bundle":"https://pith.science/pith/Y52G74UHTLFLMB67CRHKFPOUDW/bundle.json","state":"https://pith.science/pith/Y52G74UHTLFLMB67CRHKFPOUDW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Y52G74UHTLFLMB67CRHKFPOUDW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:Y52G74UHTLFLMB67CRHKFPOUDW","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":"7705c603db0a0ccf258b1eeca01e59005b38f85b55052d5d8aaf5ab9eb39c264","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2011-04-22T05:54:40Z","title_canon_sha256":"d2408300a39b02b4ade96a07b72c4cccb53b320c19ed2e11bd35d6115924e348"},"schema_version":"1.0","source":{"id":"1104.4387","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1104.4387","created_at":"2026-05-18T04:14:47Z"},{"alias_kind":"arxiv_version","alias_value":"1104.4387v1","created_at":"2026-05-18T04:14:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1104.4387","created_at":"2026-05-18T04:14:47Z"},{"alias_kind":"pith_short_12","alias_value":"Y52G74UHTLFL","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_16","alias_value":"Y52G74UHTLFLMB67","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_8","alias_value":"Y52G74UH","created_at":"2026-05-18T12:26:47Z"}],"graph_snapshots":[{"event_id":"sha256:c64ff6d1beae047ca5089aabf8c0fba5d2aad1ac15dd5c4241134d6f2994f993","target":"graph","created_at":"2026-05-18T04:14:47Z","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 construction of supersymmetric invariant actions on a spacetime manifold with a boundary is carried out using the \"ectoplasm\" formalism for the construction of closed forms in superspace. Non-trivial actions are obtained from the pull-backs to the bosonic bodies of closed but non-exact forms in superspace; finding supersymmetric invariants thus becomes a cohomology problem. For a spacetime with a boundary, the appropriate mathematical language changes to relative cohomology, which we use to give a general formulation of off-shell supersymmetric invariants in the presence of boundaries. We ","authors_text":"C. Strickland-Constable, K. S. Stelle, P. S. Howe, T. G. Pugh","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2011-04-22T05:54:40Z","title":"Ectoplasm with an Edge"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1104.4387","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":"sha256:16351bf7e25fec1abf9017589c23374fa84f2791f7c6016724661dd3e4dd1219","target":"record","created_at":"2026-05-18T04:14:47Z","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":"7705c603db0a0ccf258b1eeca01e59005b38f85b55052d5d8aaf5ab9eb39c264","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2011-04-22T05:54:40Z","title_canon_sha256":"d2408300a39b02b4ade96a07b72c4cccb53b320c19ed2e11bd35d6115924e348"},"schema_version":"1.0","source":{"id":"1104.4387","kind":"arxiv","version":1}},"canonical_sha256":"c7746ff2879acab607df144ea2bdd41dbc8dd2c3d37666ed843b0f5120e29a8a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c7746ff2879acab607df144ea2bdd41dbc8dd2c3d37666ed843b0f5120e29a8a","first_computed_at":"2026-05-18T04:14:47.179349Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:14:47.179349Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KlRW0uBrdBvrsnJOxNLjVJQdM+zliROA6/wghnXTL4kp5oKaaludfEO1qkWFQvr88AI659Md1d/iQsY1pmPSDw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:14:47.179773Z","signed_message":"canonical_sha256_bytes"},"source_id":"1104.4387","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:16351bf7e25fec1abf9017589c23374fa84f2791f7c6016724661dd3e4dd1219","sha256:c64ff6d1beae047ca5089aabf8c0fba5d2aad1ac15dd5c4241134d6f2994f993"],"state_sha256":"6f3363b1d410f1d048aef6c48d868063014c2eda69024fe98870b0d487ba27d9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8cL2+Cbg2jZqViL3/A6OpPbRRJwLzDYb9jHxDpXVu2i9onEBjxF6dWLLsZGURF6sLzKB9piJ9L19/iZNTbTSDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T19:00:09.941816Z","bundle_sha256":"3cc792844e144c07bfeb9a43a0916eb11a08478a2d6703d59fe14f6fa644a659"}}