{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:XF5T4AZ5A2MLNUWZT3Y25XDKVW","short_pith_number":"pith:XF5T4AZ5","canonical_record":{"source":{"id":"1105.2298","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2011-05-11T20:00:08Z","cross_cats_sorted":["gr-qc","hep-ph"],"title_canon_sha256":"874752366a78b42cf399448911d207456c834633af079065d3fe22345e204285","abstract_canon_sha256":"39b6d581bd27c29d3e30d98b275fa76a68210fa70a99126df8adb2b9959dbce8"},"schema_version":"1.0"},"canonical_sha256":"b97b3e033d0698b6d2d99ef1aedc6aadb686b17fcf83e1b3001f52e65888a38e","source":{"kind":"arxiv","id":"1105.2298","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1105.2298","created_at":"2026-05-18T04:16:40Z"},{"alias_kind":"arxiv_version","alias_value":"1105.2298v2","created_at":"2026-05-18T04:16:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1105.2298","created_at":"2026-05-18T04:16:40Z"},{"alias_kind":"pith_short_12","alias_value":"XF5T4AZ5A2ML","created_at":"2026-05-18T12:26:44Z"},{"alias_kind":"pith_short_16","alias_value":"XF5T4AZ5A2MLNUWZ","created_at":"2026-05-18T12:26:44Z"},{"alias_kind":"pith_short_8","alias_value":"XF5T4AZ5","created_at":"2026-05-18T12:26:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:XF5T4AZ5A2MLNUWZT3Y25XDKVW","target":"record","payload":{"canonical_record":{"source":{"id":"1105.2298","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2011-05-11T20:00:08Z","cross_cats_sorted":["gr-qc","hep-ph"],"title_canon_sha256":"874752366a78b42cf399448911d207456c834633af079065d3fe22345e204285","abstract_canon_sha256":"39b6d581bd27c29d3e30d98b275fa76a68210fa70a99126df8adb2b9959dbce8"},"schema_version":"1.0"},"canonical_sha256":"b97b3e033d0698b6d2d99ef1aedc6aadb686b17fcf83e1b3001f52e65888a38e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:16:40.643793Z","signature_b64":"OcwVIv5eR/84vH8mx0iqA0oPXpx1xtIceNDpq7qLoGGzEpxoujTGBTps5AVRxDEyZ17OgIrc9X6xx7OrFP+1Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b97b3e033d0698b6d2d99ef1aedc6aadb686b17fcf83e1b3001f52e65888a38e","last_reissued_at":"2026-05-18T04:16:40.643189Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:16:40.643189Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1105.2298","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":"2026-05-18T04:16:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rWZzKv+IRumJ9quNO6j2jlhkCovte9bGDHElvzx7BYmaFnb+aD+1NDdIHYxGdDwACichDM9BnaCZMY+YzbbsAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T02:36:17.507489Z"},"content_sha256":"1c0ce03913ec394a26acc8519161fbf445aa40d7ddbbb4092655d951f0beed0b","schema_version":"1.0","event_id":"sha256:1c0ce03913ec394a26acc8519161fbf445aa40d7ddbbb4092655d951f0beed0b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:XF5T4AZ5A2MLNUWZT3Y25XDKVW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Radiation from a D-dimensional collision of shock waves: first order perturbation theory","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","hep-ph"],"primary_cat":"hep-th","authors_text":"Carlos Herdeiro, Carmen Rebelo, Marco O. P. Sampaio","submitted_at":"2011-05-11T20:00:08Z","abstract_excerpt":"We study the spacetime obtained by superimposing two equal Aichelburg-Sexl shock waves in D dimensions traveling, head-on, in opposite directions. Considering the collision in a boosted frame, one shock becomes stronger than the other, and a perturbative framework to compute the metric in the future of the collision is setup. The geometry is given, in first order perturbation theory, as an integral solution, in terms of initial data on the null surface where the strong shock has support. We then extract the radiation emitted in the collision by using a D-dimensional generalisation of the Landa"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1105.2298","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":"2026-05-18T04:16:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PnBbqw8eHwD8EwoV9RtEjvrigWTUJOxRCgrjCo70DyADH/wDx5lKhk8bwJtESrKrV2yZcpdf3gIZb1D2LSSQDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T02:36:17.508193Z"},"content_sha256":"96a8b4fbb818b847d1a5cdc4213b81f7ac724657a000a73d068cca964a55c7fa","schema_version":"1.0","event_id":"sha256:96a8b4fbb818b847d1a5cdc4213b81f7ac724657a000a73d068cca964a55c7fa"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XF5T4AZ5A2MLNUWZT3Y25XDKVW/bundle.json","state_url":"https://pith.science/pith/XF5T4AZ5A2MLNUWZT3Y25XDKVW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XF5T4AZ5A2MLNUWZT3Y25XDKVW/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":"2026-06-08T02:36:17Z","links":{"resolver":"https://pith.science/pith/XF5T4AZ5A2MLNUWZT3Y25XDKVW","bundle":"https://pith.science/pith/XF5T4AZ5A2MLNUWZT3Y25XDKVW/bundle.json","state":"https://pith.science/pith/XF5T4AZ5A2MLNUWZT3Y25XDKVW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XF5T4AZ5A2MLNUWZT3Y25XDKVW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:XF5T4AZ5A2MLNUWZT3Y25XDKVW","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":"39b6d581bd27c29d3e30d98b275fa76a68210fa70a99126df8adb2b9959dbce8","cross_cats_sorted":["gr-qc","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2011-05-11T20:00:08Z","title_canon_sha256":"874752366a78b42cf399448911d207456c834633af079065d3fe22345e204285"},"schema_version":"1.0","source":{"id":"1105.2298","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1105.2298","created_at":"2026-05-18T04:16:40Z"},{"alias_kind":"arxiv_version","alias_value":"1105.2298v2","created_at":"2026-05-18T04:16:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1105.2298","created_at":"2026-05-18T04:16:40Z"},{"alias_kind":"pith_short_12","alias_value":"XF5T4AZ5A2ML","created_at":"2026-05-18T12:26:44Z"},{"alias_kind":"pith_short_16","alias_value":"XF5T4AZ5A2MLNUWZ","created_at":"2026-05-18T12:26:44Z"},{"alias_kind":"pith_short_8","alias_value":"XF5T4AZ5","created_at":"2026-05-18T12:26:44Z"}],"graph_snapshots":[{"event_id":"sha256:96a8b4fbb818b847d1a5cdc4213b81f7ac724657a000a73d068cca964a55c7fa","target":"graph","created_at":"2026-05-18T04:16:40Z","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 study the spacetime obtained by superimposing two equal Aichelburg-Sexl shock waves in D dimensions traveling, head-on, in opposite directions. Considering the collision in a boosted frame, one shock becomes stronger than the other, and a perturbative framework to compute the metric in the future of the collision is setup. The geometry is given, in first order perturbation theory, as an integral solution, in terms of initial data on the null surface where the strong shock has support. We then extract the radiation emitted in the collision by using a D-dimensional generalisation of the Landa","authors_text":"Carlos Herdeiro, Carmen Rebelo, Marco O. P. Sampaio","cross_cats":["gr-qc","hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2011-05-11T20:00:08Z","title":"Radiation from a D-dimensional collision of shock waves: first order perturbation theory"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1105.2298","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":"sha256:1c0ce03913ec394a26acc8519161fbf445aa40d7ddbbb4092655d951f0beed0b","target":"record","created_at":"2026-05-18T04:16:40Z","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":"39b6d581bd27c29d3e30d98b275fa76a68210fa70a99126df8adb2b9959dbce8","cross_cats_sorted":["gr-qc","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2011-05-11T20:00:08Z","title_canon_sha256":"874752366a78b42cf399448911d207456c834633af079065d3fe22345e204285"},"schema_version":"1.0","source":{"id":"1105.2298","kind":"arxiv","version":2}},"canonical_sha256":"b97b3e033d0698b6d2d99ef1aedc6aadb686b17fcf83e1b3001f52e65888a38e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b97b3e033d0698b6d2d99ef1aedc6aadb686b17fcf83e1b3001f52e65888a38e","first_computed_at":"2026-05-18T04:16:40.643189Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:16:40.643189Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OcwVIv5eR/84vH8mx0iqA0oPXpx1xtIceNDpq7qLoGGzEpxoujTGBTps5AVRxDEyZ17OgIrc9X6xx7OrFP+1Bw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:16:40.643793Z","signed_message":"canonical_sha256_bytes"},"source_id":"1105.2298","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1c0ce03913ec394a26acc8519161fbf445aa40d7ddbbb4092655d951f0beed0b","sha256:96a8b4fbb818b847d1a5cdc4213b81f7ac724657a000a73d068cca964a55c7fa"],"state_sha256":"f8df2d3bbacdbe10a3aab5cea8b136b847e9399ef54904324ae2a1ecda1b84ab"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"stBwPF9JX+BWtTdxPW2kVory4Z8gixUknYzdtLtwKxqZyhga4hyNmfSPMW0H2OQdcJgW/Pgb/g0cg0FPm660DQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T02:36:17.511772Z","bundle_sha256":"84c54c0c0ed41f819c7304e891c77daee206e6d47d76e416df11b81532551078"}}