{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:Y3C4TMFQI2JKR2FNX3SZFIYQTW","short_pith_number":"pith:Y3C4TMFQ","canonical_record":{"source":{"id":"2004.13716","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2020-04-28T14:19:51Z","cross_cats_sorted":[],"title_canon_sha256":"f65cb78d579e045a86ce7132f3cbb6e3d1b3bbbd50507b8daaedcb81eae07878","abstract_canon_sha256":"ca6e89f70b238e17e00bf80ec395eae8a2c32fc42d4e4429e8f782d7f63a6c8f"},"schema_version":"1.0"},"canonical_sha256":"c6c5c9b0b04692a8e8adbee592a3109dad2faa9f994910576852d48d2dfee55b","source":{"kind":"arxiv","id":"2004.13716","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2004.13716","created_at":"2026-07-05T02:43:06Z"},{"alias_kind":"arxiv_version","alias_value":"2004.13716v1","created_at":"2026-07-05T02:43:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2004.13716","created_at":"2026-07-05T02:43:06Z"},{"alias_kind":"pith_short_12","alias_value":"Y3C4TMFQI2JK","created_at":"2026-07-05T02:43:06Z"},{"alias_kind":"pith_short_16","alias_value":"Y3C4TMFQI2JKR2FN","created_at":"2026-07-05T02:43:06Z"},{"alias_kind":"pith_short_8","alias_value":"Y3C4TMFQ","created_at":"2026-07-05T02:43:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:Y3C4TMFQI2JKR2FNX3SZFIYQTW","target":"record","payload":{"canonical_record":{"source":{"id":"2004.13716","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2020-04-28T14:19:51Z","cross_cats_sorted":[],"title_canon_sha256":"f65cb78d579e045a86ce7132f3cbb6e3d1b3bbbd50507b8daaedcb81eae07878","abstract_canon_sha256":"ca6e89f70b238e17e00bf80ec395eae8a2c32fc42d4e4429e8f782d7f63a6c8f"},"schema_version":"1.0"},"canonical_sha256":"c6c5c9b0b04692a8e8adbee592a3109dad2faa9f994910576852d48d2dfee55b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:43:06.038915Z","signature_b64":"x9sQLDTHBLfa32KZ0kXaI6/9l5+7OAJ8OhY7HCyWUY6CzyhMhHYaasz6dh5kDae2zetJ22zRYeu5jhelJDU/CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c6c5c9b0b04692a8e8adbee592a3109dad2faa9f994910576852d48d2dfee55b","last_reissued_at":"2026-07-05T02:43:06.038534Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:43:06.038534Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2004.13716","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":"2026-07-05T02:43:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yLuxPKh8SgSk2F5d0BoXHBUyQoYbflq2wqocvebfUxS+hTO+y2qF3Hfi9I5ZWvmegUAOVVkKfXx7aAQuErF5BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T04:14:14.787824Z"},"content_sha256":"d1b3ba51b433d22f0f22be272a155baf8e471b794b9dd4060a422b93059aa72f","schema_version":"1.0","event_id":"sha256:d1b3ba51b433d22f0f22be272a155baf8e471b794b9dd4060a422b93059aa72f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:Y3C4TMFQI2JKR2FNX3SZFIYQTW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Longitudinal Radiation Force of Laser Pulses and Optics of Moving Particles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Lubomir Kovachev","submitted_at":"2020-04-28T14:19:51Z","abstract_excerpt":"For a long time transverse and longitudinal optical forces are used for non-contact and noninvasive manipulation of small individual particles. The following question arises: What is the impact of these forces on the ensemble of thousand particles in continuous media? The aim of this work is to find analytical expression of the radiation force and potential densities creating from laser pulse propagating in dielectric media. This allows us to find an effective averaged longitudinal real force at the level of the laser pulse spot. The obtained force is proportional to initial pulse energy and i"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2004.13716","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2004.13716/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":"2026-07-05T02:43:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Dt1rKt4UlFhrZa5A0eMkAM0HkjgtHJeo/lcawKeCyPRtaktBsBYsss4PtW2M37Ly/rhRQTVLegKigRckIgqCDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T04:14:14.788500Z"},"content_sha256":"b0e02aacd2c685f07102186a87562a6d67113ae358f83d9db8c1f0a5b9025627","schema_version":"1.0","event_id":"sha256:b0e02aacd2c685f07102186a87562a6d67113ae358f83d9db8c1f0a5b9025627"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Y3C4TMFQI2JKR2FNX3SZFIYQTW/bundle.json","state_url":"https://pith.science/pith/Y3C4TMFQI2JKR2FNX3SZFIYQTW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Y3C4TMFQI2JKR2FNX3SZFIYQTW/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":"2026-08-06T04:14:14Z","links":{"resolver":"https://pith.science/pith/Y3C4TMFQI2JKR2FNX3SZFIYQTW","bundle":"https://pith.science/pith/Y3C4TMFQI2JKR2FNX3SZFIYQTW/bundle.json","state":"https://pith.science/pith/Y3C4TMFQI2JKR2FNX3SZFIYQTW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Y3C4TMFQI2JKR2FNX3SZFIYQTW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:Y3C4TMFQI2JKR2FNX3SZFIYQTW","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":"ca6e89f70b238e17e00bf80ec395eae8a2c32fc42d4e4429e8f782d7f63a6c8f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2020-04-28T14:19:51Z","title_canon_sha256":"f65cb78d579e045a86ce7132f3cbb6e3d1b3bbbd50507b8daaedcb81eae07878"},"schema_version":"1.0","source":{"id":"2004.13716","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2004.13716","created_at":"2026-07-05T02:43:06Z"},{"alias_kind":"arxiv_version","alias_value":"2004.13716v1","created_at":"2026-07-05T02:43:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2004.13716","created_at":"2026-07-05T02:43:06Z"},{"alias_kind":"pith_short_12","alias_value":"Y3C4TMFQI2JK","created_at":"2026-07-05T02:43:06Z"},{"alias_kind":"pith_short_16","alias_value":"Y3C4TMFQI2JKR2FN","created_at":"2026-07-05T02:43:06Z"},{"alias_kind":"pith_short_8","alias_value":"Y3C4TMFQ","created_at":"2026-07-05T02:43:06Z"}],"graph_snapshots":[{"event_id":"sha256:b0e02aacd2c685f07102186a87562a6d67113ae358f83d9db8c1f0a5b9025627","target":"graph","created_at":"2026-07-05T02:43:06Z","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/2004.13716/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"For a long time transverse and longitudinal optical forces are used for non-contact and noninvasive manipulation of small individual particles. The following question arises: What is the impact of these forces on the ensemble of thousand particles in continuous media? The aim of this work is to find analytical expression of the radiation force and potential densities creating from laser pulse propagating in dielectric media. This allows us to find an effective averaged longitudinal real force at the level of the laser pulse spot. The obtained force is proportional to initial pulse energy and i","authors_text":"Lubomir Kovachev","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2020-04-28T14:19:51Z","title":"Longitudinal Radiation Force of Laser Pulses and Optics of Moving Particles"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2004.13716","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:d1b3ba51b433d22f0f22be272a155baf8e471b794b9dd4060a422b93059aa72f","target":"record","created_at":"2026-07-05T02:43:06Z","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":"ca6e89f70b238e17e00bf80ec395eae8a2c32fc42d4e4429e8f782d7f63a6c8f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2020-04-28T14:19:51Z","title_canon_sha256":"f65cb78d579e045a86ce7132f3cbb6e3d1b3bbbd50507b8daaedcb81eae07878"},"schema_version":"1.0","source":{"id":"2004.13716","kind":"arxiv","version":1}},"canonical_sha256":"c6c5c9b0b04692a8e8adbee592a3109dad2faa9f994910576852d48d2dfee55b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c6c5c9b0b04692a8e8adbee592a3109dad2faa9f994910576852d48d2dfee55b","first_computed_at":"2026-07-05T02:43:06.038534Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:43:06.038534Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"x9sQLDTHBLfa32KZ0kXaI6/9l5+7OAJ8OhY7HCyWUY6CzyhMhHYaasz6dh5kDae2zetJ22zRYeu5jhelJDU/CQ==","signature_status":"signed_v1","signed_at":"2026-07-05T02:43:06.038915Z","signed_message":"canonical_sha256_bytes"},"source_id":"2004.13716","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d1b3ba51b433d22f0f22be272a155baf8e471b794b9dd4060a422b93059aa72f","sha256:b0e02aacd2c685f07102186a87562a6d67113ae358f83d9db8c1f0a5b9025627"],"state_sha256":"ffdd019679f6ea38781d0d41d38f6bfaa5698efab634cbeff92985547ffa4ca3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dl9LAN8ZgYRn0N0srK9ks/N1MhCYIhqlSdIEMqRcCq+4+PGz7gsg79tbkFxSJY5AAKlu4s+F3Qs0yzFLhM1uDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T04:14:14.796590Z","bundle_sha256":"4682797fd7363a5bc5aa2891686c94d6a59914437e2810d6a14c07005245ead4"}}