{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:W6OCASJSZSEPCMW6EM6MAQWT35","short_pith_number":"pith:W6OCASJS","canonical_record":{"source":{"id":"1412.3157","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-12-09T23:56:02Z","cross_cats_sorted":[],"title_canon_sha256":"92fc799da6927a66d9d0fec1375b2e3394c1e509ef8807a0f757ca1b9085e6b2","abstract_canon_sha256":"1e7d617d70eb1ee167e225b531bbf8a56238df3317738f28260d5ec8639b9ec2"},"schema_version":"1.0"},"canonical_sha256":"b79c204932cc88f132de233cc042d3df7e28e542b8a784908ad0a9ac28ff0e61","source":{"kind":"arxiv","id":"1412.3157","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1412.3157","created_at":"2026-05-18T02:31:37Z"},{"alias_kind":"arxiv_version","alias_value":"1412.3157v1","created_at":"2026-05-18T02:31:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.3157","created_at":"2026-05-18T02:31:37Z"},{"alias_kind":"pith_short_12","alias_value":"W6OCASJSZSEP","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_16","alias_value":"W6OCASJSZSEPCMW6","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_8","alias_value":"W6OCASJS","created_at":"2026-05-18T12:28:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:W6OCASJSZSEPCMW6EM6MAQWT35","target":"record","payload":{"canonical_record":{"source":{"id":"1412.3157","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-12-09T23:56:02Z","cross_cats_sorted":[],"title_canon_sha256":"92fc799da6927a66d9d0fec1375b2e3394c1e509ef8807a0f757ca1b9085e6b2","abstract_canon_sha256":"1e7d617d70eb1ee167e225b531bbf8a56238df3317738f28260d5ec8639b9ec2"},"schema_version":"1.0"},"canonical_sha256":"b79c204932cc88f132de233cc042d3df7e28e542b8a784908ad0a9ac28ff0e61","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:31:37.409394Z","signature_b64":"B2qQLLCjffhMLPV9T90kCbgxKOjgQWf0xtLmSfz2LCDgjubDq1JPvZ6OJK0qwDLRdr0JVeHUBkYzRLvkAYJLBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b79c204932cc88f132de233cc042d3df7e28e542b8a784908ad0a9ac28ff0e61","last_reissued_at":"2026-05-18T02:31:37.408966Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:31:37.408966Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1412.3157","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":"2026-05-18T02:31:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dLFFvD/KItUMGcB9uRCtrhhWg+hi3LyqvFrberOVfKyc8CBkchKlMZ1EkY4hqGqg04hIZwpdlPnlYucwSqYLDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T15:04:33.646132Z"},"content_sha256":"f352aade2d09a0379c822e8ec1a356ef4a5cc3c0116dfea2e98cc41c96652402","schema_version":"1.0","event_id":"sha256:f352aade2d09a0379c822e8ec1a356ef4a5cc3c0116dfea2e98cc41c96652402"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:W6OCASJSZSEPCMW6EM6MAQWT35","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Active absorption of electromagnetic pulses in a cavity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"R. N. Foster, S. A. R. Horsley, T. G. Philbin, T. Tyc","submitted_at":"2014-12-09T23:56:02Z","abstract_excerpt":"We show that a pulse of electromagnetic radiation launched into a cavity can be completely absorbed into an infinitesimal region of space, provided one has a high degree of control over the current flowing through this region. We work out explicit examples of this effect in a cubic cavity and a cylindrical one, and experimentally demonstrate the effect in the microwave regime."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.3157","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":"2026-05-18T02:31:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"j8Eh5uhHwZroYsqTPn8ZvSTjdqIn1E2fiNzgOqY7PBuvoL2XixU/DX758qnyqNmD0Q3PEjsM9l0uCVmOzfDZBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T15:04:33.646913Z"},"content_sha256":"94fb19c5f84d9c90e3ebc6e2e9a2667ccc5ff0b103461e807bf8dbe48849c857","schema_version":"1.0","event_id":"sha256:94fb19c5f84d9c90e3ebc6e2e9a2667ccc5ff0b103461e807bf8dbe48849c857"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/W6OCASJSZSEPCMW6EM6MAQWT35/bundle.json","state_url":"https://pith.science/pith/W6OCASJSZSEPCMW6EM6MAQWT35/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/W6OCASJSZSEPCMW6EM6MAQWT35/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":"2026-06-08T15:04:33Z","links":{"resolver":"https://pith.science/pith/W6OCASJSZSEPCMW6EM6MAQWT35","bundle":"https://pith.science/pith/W6OCASJSZSEPCMW6EM6MAQWT35/bundle.json","state":"https://pith.science/pith/W6OCASJSZSEPCMW6EM6MAQWT35/state.json","well_known_bundle":"https://pith.science/.well-known/pith/W6OCASJSZSEPCMW6EM6MAQWT35/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:W6OCASJSZSEPCMW6EM6MAQWT35","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":"1e7d617d70eb1ee167e225b531bbf8a56238df3317738f28260d5ec8639b9ec2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-12-09T23:56:02Z","title_canon_sha256":"92fc799da6927a66d9d0fec1375b2e3394c1e509ef8807a0f757ca1b9085e6b2"},"schema_version":"1.0","source":{"id":"1412.3157","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1412.3157","created_at":"2026-05-18T02:31:37Z"},{"alias_kind":"arxiv_version","alias_value":"1412.3157v1","created_at":"2026-05-18T02:31:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.3157","created_at":"2026-05-18T02:31:37Z"},{"alias_kind":"pith_short_12","alias_value":"W6OCASJSZSEP","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_16","alias_value":"W6OCASJSZSEPCMW6","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_8","alias_value":"W6OCASJS","created_at":"2026-05-18T12:28:54Z"}],"graph_snapshots":[{"event_id":"sha256:94fb19c5f84d9c90e3ebc6e2e9a2667ccc5ff0b103461e807bf8dbe48849c857","target":"graph","created_at":"2026-05-18T02:31:37Z","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":"We show that a pulse of electromagnetic radiation launched into a cavity can be completely absorbed into an infinitesimal region of space, provided one has a high degree of control over the current flowing through this region. We work out explicit examples of this effect in a cubic cavity and a cylindrical one, and experimentally demonstrate the effect in the microwave regime.","authors_text":"R. N. Foster, S. A. R. Horsley, T. G. Philbin, T. Tyc","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-12-09T23:56:02Z","title":"Active absorption of electromagnetic pulses in a cavity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.3157","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:f352aade2d09a0379c822e8ec1a356ef4a5cc3c0116dfea2e98cc41c96652402","target":"record","created_at":"2026-05-18T02:31:37Z","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":"1e7d617d70eb1ee167e225b531bbf8a56238df3317738f28260d5ec8639b9ec2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-12-09T23:56:02Z","title_canon_sha256":"92fc799da6927a66d9d0fec1375b2e3394c1e509ef8807a0f757ca1b9085e6b2"},"schema_version":"1.0","source":{"id":"1412.3157","kind":"arxiv","version":1}},"canonical_sha256":"b79c204932cc88f132de233cc042d3df7e28e542b8a784908ad0a9ac28ff0e61","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b79c204932cc88f132de233cc042d3df7e28e542b8a784908ad0a9ac28ff0e61","first_computed_at":"2026-05-18T02:31:37.408966Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:31:37.408966Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"B2qQLLCjffhMLPV9T90kCbgxKOjgQWf0xtLmSfz2LCDgjubDq1JPvZ6OJK0qwDLRdr0JVeHUBkYzRLvkAYJLBw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:31:37.409394Z","signed_message":"canonical_sha256_bytes"},"source_id":"1412.3157","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f352aade2d09a0379c822e8ec1a356ef4a5cc3c0116dfea2e98cc41c96652402","sha256:94fb19c5f84d9c90e3ebc6e2e9a2667ccc5ff0b103461e807bf8dbe48849c857"],"state_sha256":"07bec553be742d920f0596929ccaf80c8f2b8a31d1a9f41b7db7e6eb2d3305b4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nq+epa+Ooou1+vOX1ly2lELLQHCYADs6ufNxK3wTH8+49ockQWAOMK3RNvhVAWO5N3CjH2lw9m+X6rpuK/ZiCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T15:04:33.650905Z","bundle_sha256":"e366de2ccdb8cc5dd7b675c14c4620c5f128c542ff862b5e5c5763265b8f4956"}}