{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:HTZ3KOVGOYQW6MGHDS3USCIUZN","short_pith_number":"pith:HTZ3KOVG","canonical_record":{"source":{"id":"2505.03167","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2025-05-06T04:24:05Z","cross_cats_sorted":[],"title_canon_sha256":"830bc551c007f4579960e7dfaa3dfab75141480ac8c145bb3fb0512e5b2c924a","abstract_canon_sha256":"9938622e9c75bdd641c3f61a73905033b91dff0c2c073f350fb86ab876980f20"},"schema_version":"1.0"},"canonical_sha256":"3cf3b53aa676216f30c71cb7490914cb55a7119de831fa9c58f7d03a32134270","source":{"kind":"arxiv","id":"2505.03167","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.03167","created_at":"2026-07-05T10:59:11Z"},{"alias_kind":"arxiv_version","alias_value":"2505.03167v1","created_at":"2026-07-05T10:59:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.03167","created_at":"2026-07-05T10:59:11Z"},{"alias_kind":"pith_short_12","alias_value":"HTZ3KOVGOYQW","created_at":"2026-07-05T10:59:11Z"},{"alias_kind":"pith_short_16","alias_value":"HTZ3KOVGOYQW6MGH","created_at":"2026-07-05T10:59:11Z"},{"alias_kind":"pith_short_8","alias_value":"HTZ3KOVG","created_at":"2026-07-05T10:59:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:HTZ3KOVGOYQW6MGHDS3USCIUZN","target":"record","payload":{"canonical_record":{"source":{"id":"2505.03167","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2025-05-06T04:24:05Z","cross_cats_sorted":[],"title_canon_sha256":"830bc551c007f4579960e7dfaa3dfab75141480ac8c145bb3fb0512e5b2c924a","abstract_canon_sha256":"9938622e9c75bdd641c3f61a73905033b91dff0c2c073f350fb86ab876980f20"},"schema_version":"1.0"},"canonical_sha256":"3cf3b53aa676216f30c71cb7490914cb55a7119de831fa9c58f7d03a32134270","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:59:11.247974Z","signature_b64":"joWxQziKbKurW2sYtNWy3874YLvxnEi/A32vXVeAHsRm1SPUQn/3sPAgwojHDeBKp6fSOoRYUjjuJfCsaAEECA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3cf3b53aa676216f30c71cb7490914cb55a7119de831fa9c58f7d03a32134270","last_reissued_at":"2026-07-05T10:59:11.247501Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:59:11.247501Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2505.03167","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":"2026-07-05T10:59:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"u6KONNYuLKCQRFWpwa3x7bLFYPxlLH2WW9X539YL8JL2rdLorgaVwFHwAh98atvlEbXqtjwJcju55112KFHHCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-17T08:48:31.452988Z"},"content_sha256":"bd0e87e0dd56b42d90485861602ac3a63f990f4769202c0cb0d684c39a48068f","schema_version":"1.0","event_id":"sha256:bd0e87e0dd56b42d90485861602ac3a63f990f4769202c0cb0d684c39a48068f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:HTZ3KOVGOYQW6MGHDS3USCIUZN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Enhanced Patterned Fluorescence from Polystyrene through Focused Electron Beam Irradiation under Various Gases","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Deepak Kumar, Joseph W. Brill, J. Todd Hastings","submitted_at":"2025-05-06T04:24:05Z","abstract_excerpt":"We report on a novel method for tuning and enhancing fluorescence from irradiated polystyrene through electron-beam exposure in gaseous environments. We describe the effect of electron dose and ambient gas on the photoluminescence spectra and yield of irradiated PS films on insulating and conductive substrates. PS films were exposed in an environmental scanning electron microscope using a 20 keV electron beam, ambient gas pressures from high vacuum to 3 mbar, and electron doses from 1.8 to 45 mC cm-2. Irradiated PS films were characterized using confocal microscopy, TEM, EDS and FTIR spectrosc"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.03167","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/2505.03167/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":"2026-07-05T10:59:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"icgR6ypD92e2MsHdbMlHEx17w/LTG/ahHoW0vW1NqGclAPljUmcOvOFB6IStEkfSSodtRez4pqBKyRMMoIYnAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-17T08:48:31.453384Z"},"content_sha256":"d1bcc606786ca738b9db5e214f0cea988b328785eeb727b4f0bdd6d736f0cb74","schema_version":"1.0","event_id":"sha256:d1bcc606786ca738b9db5e214f0cea988b328785eeb727b4f0bdd6d736f0cb74"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HTZ3KOVGOYQW6MGHDS3USCIUZN/bundle.json","state_url":"https://pith.science/pith/HTZ3KOVGOYQW6MGHDS3USCIUZN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HTZ3KOVGOYQW6MGHDS3USCIUZN/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":"2026-07-17T08:48:31Z","links":{"resolver":"https://pith.science/pith/HTZ3KOVGOYQW6MGHDS3USCIUZN","bundle":"https://pith.science/pith/HTZ3KOVGOYQW6MGHDS3USCIUZN/bundle.json","state":"https://pith.science/pith/HTZ3KOVGOYQW6MGHDS3USCIUZN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HTZ3KOVGOYQW6MGHDS3USCIUZN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:HTZ3KOVGOYQW6MGHDS3USCIUZN","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":"9938622e9c75bdd641c3f61a73905033b91dff0c2c073f350fb86ab876980f20","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2025-05-06T04:24:05Z","title_canon_sha256":"830bc551c007f4579960e7dfaa3dfab75141480ac8c145bb3fb0512e5b2c924a"},"schema_version":"1.0","source":{"id":"2505.03167","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.03167","created_at":"2026-07-05T10:59:11Z"},{"alias_kind":"arxiv_version","alias_value":"2505.03167v1","created_at":"2026-07-05T10:59:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.03167","created_at":"2026-07-05T10:59:11Z"},{"alias_kind":"pith_short_12","alias_value":"HTZ3KOVGOYQW","created_at":"2026-07-05T10:59:11Z"},{"alias_kind":"pith_short_16","alias_value":"HTZ3KOVGOYQW6MGH","created_at":"2026-07-05T10:59:11Z"},{"alias_kind":"pith_short_8","alias_value":"HTZ3KOVG","created_at":"2026-07-05T10:59:11Z"}],"graph_snapshots":[{"event_id":"sha256:d1bcc606786ca738b9db5e214f0cea988b328785eeb727b4f0bdd6d736f0cb74","target":"graph","created_at":"2026-07-05T10:59:11Z","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/2505.03167/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We report on a novel method for tuning and enhancing fluorescence from irradiated polystyrene through electron-beam exposure in gaseous environments. We describe the effect of electron dose and ambient gas on the photoluminescence spectra and yield of irradiated PS films on insulating and conductive substrates. PS films were exposed in an environmental scanning electron microscope using a 20 keV electron beam, ambient gas pressures from high vacuum to 3 mbar, and electron doses from 1.8 to 45 mC cm-2. Irradiated PS films were characterized using confocal microscopy, TEM, EDS and FTIR spectrosc","authors_text":"Deepak Kumar, Joseph W. Brill, J. Todd Hastings","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2025-05-06T04:24:05Z","title":"Enhanced Patterned Fluorescence from Polystyrene through Focused Electron Beam Irradiation under Various Gases"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.03167","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:bd0e87e0dd56b42d90485861602ac3a63f990f4769202c0cb0d684c39a48068f","target":"record","created_at":"2026-07-05T10:59:11Z","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":"9938622e9c75bdd641c3f61a73905033b91dff0c2c073f350fb86ab876980f20","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2025-05-06T04:24:05Z","title_canon_sha256":"830bc551c007f4579960e7dfaa3dfab75141480ac8c145bb3fb0512e5b2c924a"},"schema_version":"1.0","source":{"id":"2505.03167","kind":"arxiv","version":1}},"canonical_sha256":"3cf3b53aa676216f30c71cb7490914cb55a7119de831fa9c58f7d03a32134270","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3cf3b53aa676216f30c71cb7490914cb55a7119de831fa9c58f7d03a32134270","first_computed_at":"2026-07-05T10:59:11.247501Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:59:11.247501Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"joWxQziKbKurW2sYtNWy3874YLvxnEi/A32vXVeAHsRm1SPUQn/3sPAgwojHDeBKp6fSOoRYUjjuJfCsaAEECA==","signature_status":"signed_v1","signed_at":"2026-07-05T10:59:11.247974Z","signed_message":"canonical_sha256_bytes"},"source_id":"2505.03167","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bd0e87e0dd56b42d90485861602ac3a63f990f4769202c0cb0d684c39a48068f","sha256:d1bcc606786ca738b9db5e214f0cea988b328785eeb727b4f0bdd6d736f0cb74"],"state_sha256":"8c89a679d632c26e32f80aaf87ba5449b9d21a51b52f0086648b648db3509ced"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/2lBB+Ka9drct3ZZZSORb2nOm3B7qtAgKTP+NkN3FGAJmfLCZg3j0x2xO57BkGcVbEMkS4+ROkA6z5f4mQXADw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-17T08:48:31.455602Z","bundle_sha256":"56138099ecf38a3431a4a43ccb9065a7ab444d55816a8ef55e7e551fb2e02b1e"}}