{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:LDYEFCTGQALBPGJ2UB4BFMHHBF","short_pith_number":"pith:LDYEFCTG","canonical_record":{"source":{"id":"1609.01943","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2016-09-07T11:29:52Z","cross_cats_sorted":[],"title_canon_sha256":"72e596263f7a78699edefec5374f7ef0d0a7193712e51fa71ce2ccc09e8ba213","abstract_canon_sha256":"5d1259534188731a75e99b88bfb8fe4ecfd190d91e869f67e4409715cdf5c1f7"},"schema_version":"1.0"},"canonical_sha256":"58f0428a66801617993aa07812b0e709773a956ab8a3f82c5da534fa653435cd","source":{"kind":"arxiv","id":"1609.01943","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.01943","created_at":"2026-05-18T00:56:37Z"},{"alias_kind":"arxiv_version","alias_value":"1609.01943v1","created_at":"2026-05-18T00:56:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.01943","created_at":"2026-05-18T00:56:37Z"},{"alias_kind":"pith_short_12","alias_value":"LDYEFCTGQALB","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_16","alias_value":"LDYEFCTGQALBPGJ2","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_8","alias_value":"LDYEFCTG","created_at":"2026-05-18T12:30:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:LDYEFCTGQALBPGJ2UB4BFMHHBF","target":"record","payload":{"canonical_record":{"source":{"id":"1609.01943","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2016-09-07T11:29:52Z","cross_cats_sorted":[],"title_canon_sha256":"72e596263f7a78699edefec5374f7ef0d0a7193712e51fa71ce2ccc09e8ba213","abstract_canon_sha256":"5d1259534188731a75e99b88bfb8fe4ecfd190d91e869f67e4409715cdf5c1f7"},"schema_version":"1.0"},"canonical_sha256":"58f0428a66801617993aa07812b0e709773a956ab8a3f82c5da534fa653435cd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:56:37.634536Z","signature_b64":"3nlbX92WYhEM9+yDUBJUXdu4QSnhkUWj8J27ijXAuDvFdykKv6Ov6crF1S9S+DQncarAtT2ll2670BROtF8yDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"58f0428a66801617993aa07812b0e709773a956ab8a3f82c5da534fa653435cd","last_reissued_at":"2026-05-18T00:56:37.633891Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:56:37.633891Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1609.01943","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":"2026-05-18T00:56:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"almfsqV8eg5NAvcOKW1AHF/ogOt0AWtnE75piSdODrhNJ8TQjqMEHImY36Ok6zeeq3XOgIpGVFu59Umh44ySDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T21:31:55.640138Z"},"content_sha256":"6de3003eb3855400b79423ea7c9f44be1d5f5d3943a6814dcfc230d2b5fc54ea","schema_version":"1.0","event_id":"sha256:6de3003eb3855400b79423ea7c9f44be1d5f5d3943a6814dcfc230d2b5fc54ea"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:LDYEFCTGQALBPGJ2UB4BFMHHBF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Gravitational Couplings on D-brane Revisited","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Ahmad Ghodsi, Ghadir Jafari","submitted_at":"2016-09-07T11:29:52Z","abstract_excerpt":"Gravitational couplings in bulk space-time include those terms which are fixed by scattering amplitude of strings and ambiguous terms that are coming from the field redefinitions. These field redefinitions can be fixed in the bulk by ghost-free condition. In this paper we have revised the effective gravitational couplings on D-branes by including the field redefinitions. We find the gravitational effective action up to $\\alpha'^2$-order."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.01943","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":"2026-05-18T00:56:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gxub+G0M/e44NagQwo1tEiXkDPb1GJOhbupWB6Em60vKirG+51bpKds7l18vSrkKvT8QaSEpzigG5Bf+VLfbCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T21:31:55.640486Z"},"content_sha256":"f6f485368b02422fbccd561df2ddb15c79f859c5c133ae0450cd3119da3a3b6d","schema_version":"1.0","event_id":"sha256:f6f485368b02422fbccd561df2ddb15c79f859c5c133ae0450cd3119da3a3b6d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LDYEFCTGQALBPGJ2UB4BFMHHBF/bundle.json","state_url":"https://pith.science/pith/LDYEFCTGQALBPGJ2UB4BFMHHBF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LDYEFCTGQALBPGJ2UB4BFMHHBF/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":"2026-06-02T21:31:55Z","links":{"resolver":"https://pith.science/pith/LDYEFCTGQALBPGJ2UB4BFMHHBF","bundle":"https://pith.science/pith/LDYEFCTGQALBPGJ2UB4BFMHHBF/bundle.json","state":"https://pith.science/pith/LDYEFCTGQALBPGJ2UB4BFMHHBF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LDYEFCTGQALBPGJ2UB4BFMHHBF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:LDYEFCTGQALBPGJ2UB4BFMHHBF","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":"5d1259534188731a75e99b88bfb8fe4ecfd190d91e869f67e4409715cdf5c1f7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2016-09-07T11:29:52Z","title_canon_sha256":"72e596263f7a78699edefec5374f7ef0d0a7193712e51fa71ce2ccc09e8ba213"},"schema_version":"1.0","source":{"id":"1609.01943","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.01943","created_at":"2026-05-18T00:56:37Z"},{"alias_kind":"arxiv_version","alias_value":"1609.01943v1","created_at":"2026-05-18T00:56:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.01943","created_at":"2026-05-18T00:56:37Z"},{"alias_kind":"pith_short_12","alias_value":"LDYEFCTGQALB","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_16","alias_value":"LDYEFCTGQALBPGJ2","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_8","alias_value":"LDYEFCTG","created_at":"2026-05-18T12:30:29Z"}],"graph_snapshots":[{"event_id":"sha256:f6f485368b02422fbccd561df2ddb15c79f859c5c133ae0450cd3119da3a3b6d","target":"graph","created_at":"2026-05-18T00:56:37Z","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":"Gravitational couplings in bulk space-time include those terms which are fixed by scattering amplitude of strings and ambiguous terms that are coming from the field redefinitions. These field redefinitions can be fixed in the bulk by ghost-free condition. In this paper we have revised the effective gravitational couplings on D-branes by including the field redefinitions. We find the gravitational effective action up to $\\alpha'^2$-order.","authors_text":"Ahmad Ghodsi, Ghadir Jafari","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2016-09-07T11:29:52Z","title":"Gravitational Couplings on D-brane Revisited"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.01943","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":"sha256:6de3003eb3855400b79423ea7c9f44be1d5f5d3943a6814dcfc230d2b5fc54ea","target":"record","created_at":"2026-05-18T00:56:37Z","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":"5d1259534188731a75e99b88bfb8fe4ecfd190d91e869f67e4409715cdf5c1f7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2016-09-07T11:29:52Z","title_canon_sha256":"72e596263f7a78699edefec5374f7ef0d0a7193712e51fa71ce2ccc09e8ba213"},"schema_version":"1.0","source":{"id":"1609.01943","kind":"arxiv","version":1}},"canonical_sha256":"58f0428a66801617993aa07812b0e709773a956ab8a3f82c5da534fa653435cd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"58f0428a66801617993aa07812b0e709773a956ab8a3f82c5da534fa653435cd","first_computed_at":"2026-05-18T00:56:37.633891Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:56:37.633891Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3nlbX92WYhEM9+yDUBJUXdu4QSnhkUWj8J27ijXAuDvFdykKv6Ov6crF1S9S+DQncarAtT2ll2670BROtF8yDw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:56:37.634536Z","signed_message":"canonical_sha256_bytes"},"source_id":"1609.01943","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6de3003eb3855400b79423ea7c9f44be1d5f5d3943a6814dcfc230d2b5fc54ea","sha256:f6f485368b02422fbccd561df2ddb15c79f859c5c133ae0450cd3119da3a3b6d"],"state_sha256":"e59d185fda253ceea6996675e12a722c2f945dac82b66bb2b36c4713aee7e6cb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JTXPoN9WRCl9XHZ4BFwatNd6byzJxmPD66cPPH5PrTTHw7QQ5cPOMiwlDqPCf+bPVocU6sIdbOa8u/s0TbR9Cw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T21:31:55.642391Z","bundle_sha256":"38c026ddb61605d3df825053d2b0b7f1efab7fedab326650e70d40dad4639d46"}}