{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:IIEDVDAHPSZ5ZMXH73ULX2UC33","short_pith_number":"pith:IIEDVDAH","canonical_record":{"source":{"id":"1604.07541","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-04-26T06:35:23Z","cross_cats_sorted":[],"title_canon_sha256":"7806f3eb1fdf8034957d49607b5e5d1702793e18ed88a819a79ed023c0078603","abstract_canon_sha256":"d2e3e1336e2a9ccc3c3fa74fbf5eb2d65c01dd4796f38aa9f6f39b9bc696f203"},"schema_version":"1.0"},"canonical_sha256":"42083a8c077cb3dcb2e7fee8bbea82ded5b290ff64a2e6b528acb61f64a1aee6","source":{"kind":"arxiv","id":"1604.07541","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1604.07541","created_at":"2026-05-18T01:16:19Z"},{"alias_kind":"arxiv_version","alias_value":"1604.07541v1","created_at":"2026-05-18T01:16:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.07541","created_at":"2026-05-18T01:16:19Z"},{"alias_kind":"pith_short_12","alias_value":"IIEDVDAHPSZ5","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_16","alias_value":"IIEDVDAHPSZ5ZMXH","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_8","alias_value":"IIEDVDAH","created_at":"2026-05-18T12:30:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:IIEDVDAHPSZ5ZMXH73ULX2UC33","target":"record","payload":{"canonical_record":{"source":{"id":"1604.07541","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-04-26T06:35:23Z","cross_cats_sorted":[],"title_canon_sha256":"7806f3eb1fdf8034957d49607b5e5d1702793e18ed88a819a79ed023c0078603","abstract_canon_sha256":"d2e3e1336e2a9ccc3c3fa74fbf5eb2d65c01dd4796f38aa9f6f39b9bc696f203"},"schema_version":"1.0"},"canonical_sha256":"42083a8c077cb3dcb2e7fee8bbea82ded5b290ff64a2e6b528acb61f64a1aee6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:16:19.540636Z","signature_b64":"I6LolBMhdCQ9Ut6VcIXSn8xWZeOdmwrwT+c0RVdq9Vu7XGlyHTWjV3AK5ykr+xCPSVLKFHEsiplFddBjWs3rCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"42083a8c077cb3dcb2e7fee8bbea82ded5b290ff64a2e6b528acb61f64a1aee6","last_reissued_at":"2026-05-18T01:16:19.539973Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:16:19.539973Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1604.07541","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":"2026-05-18T01:16:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MELPVZpM6totiRPdZh4+MbrNsLqy/uMekPIn1E6VVS63nSt+zS5fQHb0cmQC9ThNMD7UNX83aRN/Q9dZUV+8AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T15:08:54.154804Z"},"content_sha256":"56da7420726c1224e30e3264b2725dd590acc13c63c895ccafd3d0e693cafcfb","schema_version":"1.0","event_id":"sha256:56da7420726c1224e30e3264b2725dd590acc13c63c895ccafd3d0e693cafcfb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:IIEDVDAHPSZ5ZMXH73ULX2UC33","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Efficient X-ray generation from gold colloidal solutions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Armandas Balcytis, Frances Camille P. Masim, Koji Hatanaka, Mai Thanh Nguyen, Matteo Porta, Saulius Juodkazis, Tetsu Yonezawa, Wei-Hung Hsu","submitted_at":"2016-04-26T06:35:23Z","abstract_excerpt":"Hard X-ray generation for Au nanoparticle dispersion was systematically investigated for different particle diameters ranging from 10 to 100 nm with a narrow size distribution of +/- 2%. Scaling law of X-ray generation is close to a 6-photon process before the onset of saturation for excitation by 45 fs laser pulses with central wavelength of 800 nm. This is consistent with bulk plasmon excitation at wavelength ~ 138 nm. The longitudinal E-field component due to nanoparticle focusing is responsible for the excitation of the longitudinal bulk plasmon. The proposed analysis also explains X-ray e"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.07541","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":"2026-05-18T01:16:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1rs2OgelW69NtRG/QJ6som8+zliHfygUW3mik9XRT81wjfz+C8VwIYSaQxDkoDjQSzBklIktic3LgNftQjOYDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T15:08:54.155167Z"},"content_sha256":"fa2b5a782835ab93ac237362e98a8d67641bea65c28a99b5bc6705b3bd8db26b","schema_version":"1.0","event_id":"sha256:fa2b5a782835ab93ac237362e98a8d67641bea65c28a99b5bc6705b3bd8db26b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IIEDVDAHPSZ5ZMXH73ULX2UC33/bundle.json","state_url":"https://pith.science/pith/IIEDVDAHPSZ5ZMXH73ULX2UC33/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IIEDVDAHPSZ5ZMXH73ULX2UC33/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":"2026-06-09T15:08:54Z","links":{"resolver":"https://pith.science/pith/IIEDVDAHPSZ5ZMXH73ULX2UC33","bundle":"https://pith.science/pith/IIEDVDAHPSZ5ZMXH73ULX2UC33/bundle.json","state":"https://pith.science/pith/IIEDVDAHPSZ5ZMXH73ULX2UC33/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IIEDVDAHPSZ5ZMXH73ULX2UC33/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:IIEDVDAHPSZ5ZMXH73ULX2UC33","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":"d2e3e1336e2a9ccc3c3fa74fbf5eb2d65c01dd4796f38aa9f6f39b9bc696f203","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-04-26T06:35:23Z","title_canon_sha256":"7806f3eb1fdf8034957d49607b5e5d1702793e18ed88a819a79ed023c0078603"},"schema_version":"1.0","source":{"id":"1604.07541","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1604.07541","created_at":"2026-05-18T01:16:19Z"},{"alias_kind":"arxiv_version","alias_value":"1604.07541v1","created_at":"2026-05-18T01:16:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.07541","created_at":"2026-05-18T01:16:19Z"},{"alias_kind":"pith_short_12","alias_value":"IIEDVDAHPSZ5","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_16","alias_value":"IIEDVDAHPSZ5ZMXH","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_8","alias_value":"IIEDVDAH","created_at":"2026-05-18T12:30:22Z"}],"graph_snapshots":[{"event_id":"sha256:fa2b5a782835ab93ac237362e98a8d67641bea65c28a99b5bc6705b3bd8db26b","target":"graph","created_at":"2026-05-18T01:16:19Z","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":"Hard X-ray generation for Au nanoparticle dispersion was systematically investigated for different particle diameters ranging from 10 to 100 nm with a narrow size distribution of +/- 2%. Scaling law of X-ray generation is close to a 6-photon process before the onset of saturation for excitation by 45 fs laser pulses with central wavelength of 800 nm. This is consistent with bulk plasmon excitation at wavelength ~ 138 nm. The longitudinal E-field component due to nanoparticle focusing is responsible for the excitation of the longitudinal bulk plasmon. The proposed analysis also explains X-ray e","authors_text":"Armandas Balcytis, Frances Camille P. Masim, Koji Hatanaka, Mai Thanh Nguyen, Matteo Porta, Saulius Juodkazis, Tetsu Yonezawa, Wei-Hung Hsu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-04-26T06:35:23Z","title":"Efficient X-ray generation from gold colloidal solutions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.07541","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":"sha256:56da7420726c1224e30e3264b2725dd590acc13c63c895ccafd3d0e693cafcfb","target":"record","created_at":"2026-05-18T01:16:19Z","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":"d2e3e1336e2a9ccc3c3fa74fbf5eb2d65c01dd4796f38aa9f6f39b9bc696f203","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-04-26T06:35:23Z","title_canon_sha256":"7806f3eb1fdf8034957d49607b5e5d1702793e18ed88a819a79ed023c0078603"},"schema_version":"1.0","source":{"id":"1604.07541","kind":"arxiv","version":1}},"canonical_sha256":"42083a8c077cb3dcb2e7fee8bbea82ded5b290ff64a2e6b528acb61f64a1aee6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"42083a8c077cb3dcb2e7fee8bbea82ded5b290ff64a2e6b528acb61f64a1aee6","first_computed_at":"2026-05-18T01:16:19.539973Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:16:19.539973Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"I6LolBMhdCQ9Ut6VcIXSn8xWZeOdmwrwT+c0RVdq9Vu7XGlyHTWjV3AK5ykr+xCPSVLKFHEsiplFddBjWs3rCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:16:19.540636Z","signed_message":"canonical_sha256_bytes"},"source_id":"1604.07541","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:56da7420726c1224e30e3264b2725dd590acc13c63c895ccafd3d0e693cafcfb","sha256:fa2b5a782835ab93ac237362e98a8d67641bea65c28a99b5bc6705b3bd8db26b"],"state_sha256":"88a183d50621cac205ef74ba9952630392801e78818aa54d777424af4df54e2a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UNuIkQK2QqyHG6jfVGEdofuVpCR2EWC8d6/orSt31SN2Y5SAgBVfC2IhWX+g4J0tBMDT6oufXKw44cSBaOcKDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T15:08:54.157607Z","bundle_sha256":"a249e1f3f1f9a9589f1734e05b69a2c19af6f1b3b4dada6cc93a45f7ea1f6518"}}