{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:AFX7AN2TBKJH6B5B5FC6R7277Q","short_pith_number":"pith:AFX7AN2T","canonical_record":{"source":{"id":"1710.07703","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-10-18T23:43:38Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"271f1028b01a251cb73676781e8db559f7852e028d197c3dde3f15cf16bc7615","abstract_canon_sha256":"ab2feb1ecb48fbaba3fe30a2088c9135adf9687f08780af749c6824a12507644"},"schema_version":"1.0"},"canonical_sha256":"016ff037530a927f07a1e945e8ff5ffc1fe66f0e56e47e02c2feb6ce9791dd27","source":{"kind":"arxiv","id":"1710.07703","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.07703","created_at":"2026-05-18T00:21:54Z"},{"alias_kind":"arxiv_version","alias_value":"1710.07703v3","created_at":"2026-05-18T00:21:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.07703","created_at":"2026-05-18T00:21:54Z"},{"alias_kind":"pith_short_12","alias_value":"AFX7AN2TBKJH","created_at":"2026-05-18T12:31:05Z"},{"alias_kind":"pith_short_16","alias_value":"AFX7AN2TBKJH6B5B","created_at":"2026-05-18T12:31:05Z"},{"alias_kind":"pith_short_8","alias_value":"AFX7AN2T","created_at":"2026-05-18T12:31:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:AFX7AN2TBKJH6B5B5FC6R7277Q","target":"record","payload":{"canonical_record":{"source":{"id":"1710.07703","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-10-18T23:43:38Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"271f1028b01a251cb73676781e8db559f7852e028d197c3dde3f15cf16bc7615","abstract_canon_sha256":"ab2feb1ecb48fbaba3fe30a2088c9135adf9687f08780af749c6824a12507644"},"schema_version":"1.0"},"canonical_sha256":"016ff037530a927f07a1e945e8ff5ffc1fe66f0e56e47e02c2feb6ce9791dd27","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:21:54.369543Z","signature_b64":"tQfgSvnvgtrzmQYlw7Af79HDoD4QKyzD1zQsyzOrqyGbkjF9dKpPJJAMWHaxOg7WocmgG/0CRq095MopRmQiBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"016ff037530a927f07a1e945e8ff5ffc1fe66f0e56e47e02c2feb6ce9791dd27","last_reissued_at":"2026-05-18T00:21:54.368891Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:21:54.368891Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1710.07703","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":"2026-05-18T00:21:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2cf1Eo/bJFupFFw9TxuCP5UFTulxjnrmH6XOD4R/ExAm3iX0hp5rtI3J42eimNME7LT6tMtePhQarxnmUTfzCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-29T18:17:35.952974Z"},"content_sha256":"7814d3e414addf32813cde216a70306d7f89e6743a3a156a5b18b2896c9c4e3c","schema_version":"1.0","event_id":"sha256:7814d3e414addf32813cde216a70306d7f89e6743a3a156a5b18b2896c9c4e3c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:AFX7AN2TBKJH6B5B5FC6R7277Q","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Collective behavior of light in vacuum","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"physics.optics","authors_text":"Fabio Briscese","submitted_at":"2017-10-18T23:43:38Z","abstract_excerpt":"Under the action of light-by-light scattering, light beams show collective behaviors in vacuum. For instance, in the case of two counterpropagating laser beams with specific initial helicity, the polarization of each beam oscillates periodically between the left and right helicity. Furthermore, the amplitudes and the corresponding intensities of each polarization propagate like waves. Such polarization waves might be observationally accessible in future laser experiments, in a physical regime complementary to those explored by particle accelerators."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.07703","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":""},"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":"2026-05-18T00:21:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Dkw1R9fKy2dY52O+U6HU1liAGWMXzUwvLdH0Hn9cnGhh2aj4jBth21PeJR6LztV9XVe/dzT73S1GEeDRnHKTDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-29T18:17:35.953301Z"},"content_sha256":"b1932b1f6bcb77508b334b6162747fff9b6e7d5ee8b9a0130eede9a671b0a4ae","schema_version":"1.0","event_id":"sha256:b1932b1f6bcb77508b334b6162747fff9b6e7d5ee8b9a0130eede9a671b0a4ae"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AFX7AN2TBKJH6B5B5FC6R7277Q/bundle.json","state_url":"https://pith.science/pith/AFX7AN2TBKJH6B5B5FC6R7277Q/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AFX7AN2TBKJH6B5B5FC6R7277Q/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":"2026-06-29T18:17:35Z","links":{"resolver":"https://pith.science/pith/AFX7AN2TBKJH6B5B5FC6R7277Q","bundle":"https://pith.science/pith/AFX7AN2TBKJH6B5B5FC6R7277Q/bundle.json","state":"https://pith.science/pith/AFX7AN2TBKJH6B5B5FC6R7277Q/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AFX7AN2TBKJH6B5B5FC6R7277Q/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:AFX7AN2TBKJH6B5B5FC6R7277Q","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":"ab2feb1ecb48fbaba3fe30a2088c9135adf9687f08780af749c6824a12507644","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-10-18T23:43:38Z","title_canon_sha256":"271f1028b01a251cb73676781e8db559f7852e028d197c3dde3f15cf16bc7615"},"schema_version":"1.0","source":{"id":"1710.07703","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.07703","created_at":"2026-05-18T00:21:54Z"},{"alias_kind":"arxiv_version","alias_value":"1710.07703v3","created_at":"2026-05-18T00:21:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.07703","created_at":"2026-05-18T00:21:54Z"},{"alias_kind":"pith_short_12","alias_value":"AFX7AN2TBKJH","created_at":"2026-05-18T12:31:05Z"},{"alias_kind":"pith_short_16","alias_value":"AFX7AN2TBKJH6B5B","created_at":"2026-05-18T12:31:05Z"},{"alias_kind":"pith_short_8","alias_value":"AFX7AN2T","created_at":"2026-05-18T12:31:05Z"}],"graph_snapshots":[{"event_id":"sha256:b1932b1f6bcb77508b334b6162747fff9b6e7d5ee8b9a0130eede9a671b0a4ae","target":"graph","created_at":"2026-05-18T00:21:54Z","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":"Under the action of light-by-light scattering, light beams show collective behaviors in vacuum. For instance, in the case of two counterpropagating laser beams with specific initial helicity, the polarization of each beam oscillates periodically between the left and right helicity. Furthermore, the amplitudes and the corresponding intensities of each polarization propagate like waves. Such polarization waves might be observationally accessible in future laser experiments, in a physical regime complementary to those explored by particle accelerators.","authors_text":"Fabio Briscese","cross_cats":["hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-10-18T23:43:38Z","title":"Collective behavior of light in vacuum"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.07703","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":"sha256:7814d3e414addf32813cde216a70306d7f89e6743a3a156a5b18b2896c9c4e3c","target":"record","created_at":"2026-05-18T00:21:54Z","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":"ab2feb1ecb48fbaba3fe30a2088c9135adf9687f08780af749c6824a12507644","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-10-18T23:43:38Z","title_canon_sha256":"271f1028b01a251cb73676781e8db559f7852e028d197c3dde3f15cf16bc7615"},"schema_version":"1.0","source":{"id":"1710.07703","kind":"arxiv","version":3}},"canonical_sha256":"016ff037530a927f07a1e945e8ff5ffc1fe66f0e56e47e02c2feb6ce9791dd27","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"016ff037530a927f07a1e945e8ff5ffc1fe66f0e56e47e02c2feb6ce9791dd27","first_computed_at":"2026-05-18T00:21:54.368891Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:21:54.368891Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tQfgSvnvgtrzmQYlw7Af79HDoD4QKyzD1zQsyzOrqyGbkjF9dKpPJJAMWHaxOg7WocmgG/0CRq095MopRmQiBg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:21:54.369543Z","signed_message":"canonical_sha256_bytes"},"source_id":"1710.07703","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7814d3e414addf32813cde216a70306d7f89e6743a3a156a5b18b2896c9c4e3c","sha256:b1932b1f6bcb77508b334b6162747fff9b6e7d5ee8b9a0130eede9a671b0a4ae"],"state_sha256":"6a8750d1c3752ef4c58c8b98d3c09cc4d056cefd7deefc1a6380fb2fc228a4b3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"V1FoeIoj6oEFXnXUYvy5H48WI1BZjam5r9SvyTKQbFa7oBMHgj5Gux8RqYOdjJecK69WVebplPUAou22G4vjAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-29T18:17:35.955125Z","bundle_sha256":"dcf86fd1c2a6f265a2b0d2dd65e6ac5e697646449b758d92c9a7e9a968023210"}}