{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:IX4557GMV5IQCLB5FFV5GCLA67","short_pith_number":"pith:IX4557GM","canonical_record":{"source":{"id":"2109.11599","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2021-09-23T19:05:57Z","cross_cats_sorted":["astro-ph.CO","astro-ph.HE","hep-th"],"title_canon_sha256":"ac924e7978035d0152fbf507992a6c156da4f46a586d3e75b3bba9b983c4b649","abstract_canon_sha256":"c368e0e53cb6cdbc20a1a4673be40a64363717434df77e8f4b6aaa07e33829bb"},"schema_version":"1.0"},"canonical_sha256":"45f9defcccaf51012c3d296bd30960f7de263ef57aff4a4a9609dc0f0388944a","source":{"kind":"arxiv","id":"2109.11599","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2109.11599","created_at":"2026-07-05T03:54:02Z"},{"alias_kind":"arxiv_version","alias_value":"2109.11599v3","created_at":"2026-07-05T03:54:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2109.11599","created_at":"2026-07-05T03:54:02Z"},{"alias_kind":"pith_short_12","alias_value":"IX4557GMV5IQ","created_at":"2026-07-05T03:54:02Z"},{"alias_kind":"pith_short_16","alias_value":"IX4557GMV5IQCLB5","created_at":"2026-07-05T03:54:02Z"},{"alias_kind":"pith_short_8","alias_value":"IX4557GM","created_at":"2026-07-05T03:54:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:IX4557GMV5IQCLB5FFV5GCLA67","target":"record","payload":{"canonical_record":{"source":{"id":"2109.11599","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2021-09-23T19:05:57Z","cross_cats_sorted":["astro-ph.CO","astro-ph.HE","hep-th"],"title_canon_sha256":"ac924e7978035d0152fbf507992a6c156da4f46a586d3e75b3bba9b983c4b649","abstract_canon_sha256":"c368e0e53cb6cdbc20a1a4673be40a64363717434df77e8f4b6aaa07e33829bb"},"schema_version":"1.0"},"canonical_sha256":"45f9defcccaf51012c3d296bd30960f7de263ef57aff4a4a9609dc0f0388944a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:54:02.610272Z","signature_b64":"VGkwL1McTwZqYdh95aivlBggk7m4M5dfiGhSoF5PfxyV/V0HngTFQeWTKWlXR5cX00zj1+mAfX8ldmQ0JCW/Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"45f9defcccaf51012c3d296bd30960f7de263ef57aff4a4a9609dc0f0388944a","last_reissued_at":"2026-07-05T03:54:02.609879Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:54:02.609879Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2109.11599","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T03:54:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CYIdjieIvJb30KIBah4BHouP1m5/Y6n3qusrSTnr2kIbj6t1QGeos+beQdXowojhFcf6i70xGlElrcoHnou5AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T10:28:56.548301Z"},"content_sha256":"896899da59aef9894f25b37f7a4e6515c2c76e1cd3b3c059ff191adc0e2dbaf7","schema_version":"1.0","event_id":"sha256:896899da59aef9894f25b37f7a4e6515c2c76e1cd3b3c059ff191adc0e2dbaf7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:IX4557GMV5IQCLB5FFV5GCLA67","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Gravitational Memory and Compact Extra Dimensions","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.CO","astro-ph.HE","hep-th"],"primary_cat":"gr-qc","authors_text":"Christian Ferko, Gautam Satishchandran, Savdeep Sethi","submitted_at":"2021-09-23T19:05:57Z","abstract_excerpt":"We develop a general formalism for treating radiative degrees of freedom near $\\mathscr{I}^{+}$ in theories with an arbitrary Ricci-flat internal space. These radiative modes are encoded in a generalized news tensor which decomposes into gravitational, electromagnetic, and scalar components. We find a preferred gauge which simplifies the asymptotic analysis of the full nonlinear Einstein equations and makes the asymptotic symmetry group transparent. This asymptotic symmetry group extends the BMS group to include angle-dependent isometries of the internal space. We apply this formalism to study"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.11599","kind":"arxiv","version":3},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2109.11599/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T03:54:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"y6iW6a192oom7rb/nXbbD5f2vXYFfKCLLinVkeGIlQTtD8toqUdWQNnRNUmZAvUmw1HDtzYuKRyVfO3TQeksCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T10:28:56.550011Z"},"content_sha256":"4086b8b2fbc491596a5a55ef86598526360f2c8a1c0407a8520110c4b1cd6bd3","schema_version":"1.0","event_id":"sha256:4086b8b2fbc491596a5a55ef86598526360f2c8a1c0407a8520110c4b1cd6bd3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IX4557GMV5IQCLB5FFV5GCLA67/bundle.json","state_url":"https://pith.science/pith/IX4557GMV5IQCLB5FFV5GCLA67/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IX4557GMV5IQCLB5FFV5GCLA67/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":"2026-08-07T10:28:56Z","links":{"resolver":"https://pith.science/pith/IX4557GMV5IQCLB5FFV5GCLA67","bundle":"https://pith.science/pith/IX4557GMV5IQCLB5FFV5GCLA67/bundle.json","state":"https://pith.science/pith/IX4557GMV5IQCLB5FFV5GCLA67/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IX4557GMV5IQCLB5FFV5GCLA67/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:IX4557GMV5IQCLB5FFV5GCLA67","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":"c368e0e53cb6cdbc20a1a4673be40a64363717434df77e8f4b6aaa07e33829bb","cross_cats_sorted":["astro-ph.CO","astro-ph.HE","hep-th"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2021-09-23T19:05:57Z","title_canon_sha256":"ac924e7978035d0152fbf507992a6c156da4f46a586d3e75b3bba9b983c4b649"},"schema_version":"1.0","source":{"id":"2109.11599","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2109.11599","created_at":"2026-07-05T03:54:02Z"},{"alias_kind":"arxiv_version","alias_value":"2109.11599v3","created_at":"2026-07-05T03:54:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2109.11599","created_at":"2026-07-05T03:54:02Z"},{"alias_kind":"pith_short_12","alias_value":"IX4557GMV5IQ","created_at":"2026-07-05T03:54:02Z"},{"alias_kind":"pith_short_16","alias_value":"IX4557GMV5IQCLB5","created_at":"2026-07-05T03:54:02Z"},{"alias_kind":"pith_short_8","alias_value":"IX4557GM","created_at":"2026-07-05T03:54:02Z"}],"graph_snapshots":[{"event_id":"sha256:4086b8b2fbc491596a5a55ef86598526360f2c8a1c0407a8520110c4b1cd6bd3","target":"graph","created_at":"2026-07-05T03:54:02Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2109.11599/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We develop a general formalism for treating radiative degrees of freedom near $\\mathscr{I}^{+}$ in theories with an arbitrary Ricci-flat internal space. These radiative modes are encoded in a generalized news tensor which decomposes into gravitational, electromagnetic, and scalar components. We find a preferred gauge which simplifies the asymptotic analysis of the full nonlinear Einstein equations and makes the asymptotic symmetry group transparent. This asymptotic symmetry group extends the BMS group to include angle-dependent isometries of the internal space. We apply this formalism to study","authors_text":"Christian Ferko, Gautam Satishchandran, Savdeep Sethi","cross_cats":["astro-ph.CO","astro-ph.HE","hep-th"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2021-09-23T19:05:57Z","title":"Gravitational Memory and Compact Extra Dimensions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.11599","kind":"arxiv","version":3},"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":"sha256:896899da59aef9894f25b37f7a4e6515c2c76e1cd3b3c059ff191adc0e2dbaf7","target":"record","created_at":"2026-07-05T03:54:02Z","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":"c368e0e53cb6cdbc20a1a4673be40a64363717434df77e8f4b6aaa07e33829bb","cross_cats_sorted":["astro-ph.CO","astro-ph.HE","hep-th"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2021-09-23T19:05:57Z","title_canon_sha256":"ac924e7978035d0152fbf507992a6c156da4f46a586d3e75b3bba9b983c4b649"},"schema_version":"1.0","source":{"id":"2109.11599","kind":"arxiv","version":3}},"canonical_sha256":"45f9defcccaf51012c3d296bd30960f7de263ef57aff4a4a9609dc0f0388944a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"45f9defcccaf51012c3d296bd30960f7de263ef57aff4a4a9609dc0f0388944a","first_computed_at":"2026-07-05T03:54:02.609879Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:54:02.609879Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VGkwL1McTwZqYdh95aivlBggk7m4M5dfiGhSoF5PfxyV/V0HngTFQeWTKWlXR5cX00zj1+mAfX8ldmQ0JCW/Bw==","signature_status":"signed_v1","signed_at":"2026-07-05T03:54:02.610272Z","signed_message":"canonical_sha256_bytes"},"source_id":"2109.11599","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:896899da59aef9894f25b37f7a4e6515c2c76e1cd3b3c059ff191adc0e2dbaf7","sha256:4086b8b2fbc491596a5a55ef86598526360f2c8a1c0407a8520110c4b1cd6bd3"],"state_sha256":"fedf2d514c53a1c5aad202acf5e8e62a55604be0fbdcd240bba8a34db8f38be0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qg9Rtl40Hnnct50Di53YiHb9p9+PZWXc3yJMZW/K0hydzlTdg2067v8kHPNyY9cbo8yh4gj23hi8eLWsEmqVCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T10:28:56.563256Z","bundle_sha256":"a2c410783cab9faa235b4bdc1aa4d3b19c3c700180755a19177fd406a5467ef9"}}