{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:JEW3U264PFM4ZUEV4H2RS6Z3II","short_pith_number":"pith:JEW3U264","canonical_record":{"source":{"id":"1609.02495","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2016-08-24T17:35:22Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"ded0dadb42800f4da2d865abc9682ac8bff5e95285375c19c5eddf313aa092a9","abstract_canon_sha256":"4e0adcb94555fdcd7fcf8f671ae3dfbdb24dca2216878938c2af380d7aacd71d"},"schema_version":"1.0"},"canonical_sha256":"492dba6bdc7959ccd095e1f5197b3b422561f881ccbaa5f7d238ce060da981ed","source":{"kind":"arxiv","id":"1609.02495","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.02495","created_at":"2026-05-18T01:04:54Z"},{"alias_kind":"arxiv_version","alias_value":"1609.02495v1","created_at":"2026-05-18T01:04:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.02495","created_at":"2026-05-18T01:04:54Z"},{"alias_kind":"pith_short_12","alias_value":"JEW3U264PFM4","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_16","alias_value":"JEW3U264PFM4ZUEV","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_8","alias_value":"JEW3U264","created_at":"2026-05-18T12:30:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:JEW3U264PFM4ZUEV4H2RS6Z3II","target":"record","payload":{"canonical_record":{"source":{"id":"1609.02495","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2016-08-24T17:35:22Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"ded0dadb42800f4da2d865abc9682ac8bff5e95285375c19c5eddf313aa092a9","abstract_canon_sha256":"4e0adcb94555fdcd7fcf8f671ae3dfbdb24dca2216878938c2af380d7aacd71d"},"schema_version":"1.0"},"canonical_sha256":"492dba6bdc7959ccd095e1f5197b3b422561f881ccbaa5f7d238ce060da981ed","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:04:54.476501Z","signature_b64":"Xue89kZFa9/VV8oaTsY94dma+QPmgVdgKbK5I6Eqbx1PhhQlCO8M28kdpcf6YoxoCRmxa+JsnUaq9N5+NrRVAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"492dba6bdc7959ccd095e1f5197b3b422561f881ccbaa5f7d238ce060da981ed","last_reissued_at":"2026-05-18T01:04:54.475948Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:04:54.475948Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1609.02495","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":"2026-05-18T01:04:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qOVzwXBfhCknGhJJn0EFfzUIYq4VnbqiOBCGGwRYXdxTCPCeOzI3OcTmiCnudG0hV1Pd6OSgWYLxmynUNCdAAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T22:58:51.341946Z"},"content_sha256":"934a2154dbaebf0726b64c7c79b7f272fe98d425f1237cb383bda82effd96b0b","schema_version":"1.0","event_id":"sha256:934a2154dbaebf0726b64c7c79b7f272fe98d425f1237cb383bda82effd96b0b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:JEW3U264PFM4ZUEV4H2RS6Z3II","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Sub-wavelength Lithography of Complex 2D and 3D Nanostructures without Dyes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"cond-mat.soft","authors_text":"Arun Jaiswal, Govind Ummethala, Raghvendra P Chaudhary, Shobha Shukla, Sumit Saxena, Suyog R Hawal","submitted_at":"2016-08-24T17:35:22Z","abstract_excerpt":"One-photon or two photon absorption by dye molecules in photopolymers enable direct 2D & 3D lithography of micro/nano structures with high spatial resolution and can be used effectively in fabricating artificially structured nanomaterials. However, the major bottleneck in unleashing the potential of this useful technique is the indispensable usage of dyes that are extremely expensive, highly toxic and usually insoluble in commercially available photopolymers. Here we report a simple, inexpensive and one-step technique for direct-writing of micro/nanostructures, with sub-wavelength resolution a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.02495","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":"2026-05-18T01:04:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+NfERWuHjDcLfwELwUuRk79uRRbEPHiIvvDJ+Lt1NH6+CvNyTOQa/ITVNsEG1kNFD4V2j8kNWWgHRTN6lHoCDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T22:58:51.342696Z"},"content_sha256":"de5358c263838cccf61ef30a8e355824761ba1f5cf4cc099d61f2465f5557314","schema_version":"1.0","event_id":"sha256:de5358c263838cccf61ef30a8e355824761ba1f5cf4cc099d61f2465f5557314"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JEW3U264PFM4ZUEV4H2RS6Z3II/bundle.json","state_url":"https://pith.science/pith/JEW3U264PFM4ZUEV4H2RS6Z3II/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JEW3U264PFM4ZUEV4H2RS6Z3II/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":"2026-06-10T22:58:51Z","links":{"resolver":"https://pith.science/pith/JEW3U264PFM4ZUEV4H2RS6Z3II","bundle":"https://pith.science/pith/JEW3U264PFM4ZUEV4H2RS6Z3II/bundle.json","state":"https://pith.science/pith/JEW3U264PFM4ZUEV4H2RS6Z3II/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JEW3U264PFM4ZUEV4H2RS6Z3II/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:JEW3U264PFM4ZUEV4H2RS6Z3II","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":"4e0adcb94555fdcd7fcf8f671ae3dfbdb24dca2216878938c2af380d7aacd71d","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2016-08-24T17:35:22Z","title_canon_sha256":"ded0dadb42800f4da2d865abc9682ac8bff5e95285375c19c5eddf313aa092a9"},"schema_version":"1.0","source":{"id":"1609.02495","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.02495","created_at":"2026-05-18T01:04:54Z"},{"alias_kind":"arxiv_version","alias_value":"1609.02495v1","created_at":"2026-05-18T01:04:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.02495","created_at":"2026-05-18T01:04:54Z"},{"alias_kind":"pith_short_12","alias_value":"JEW3U264PFM4","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_16","alias_value":"JEW3U264PFM4ZUEV","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_8","alias_value":"JEW3U264","created_at":"2026-05-18T12:30:25Z"}],"graph_snapshots":[{"event_id":"sha256:de5358c263838cccf61ef30a8e355824761ba1f5cf4cc099d61f2465f5557314","target":"graph","created_at":"2026-05-18T01:04:54Z","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":"One-photon or two photon absorption by dye molecules in photopolymers enable direct 2D & 3D lithography of micro/nano structures with high spatial resolution and can be used effectively in fabricating artificially structured nanomaterials. However, the major bottleneck in unleashing the potential of this useful technique is the indispensable usage of dyes that are extremely expensive, highly toxic and usually insoluble in commercially available photopolymers. Here we report a simple, inexpensive and one-step technique for direct-writing of micro/nanostructures, with sub-wavelength resolution a","authors_text":"Arun Jaiswal, Govind Ummethala, Raghvendra P Chaudhary, Shobha Shukla, Sumit Saxena, Suyog R Hawal","cross_cats":["physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2016-08-24T17:35:22Z","title":"Sub-wavelength Lithography of Complex 2D and 3D Nanostructures without Dyes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.02495","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":"sha256:934a2154dbaebf0726b64c7c79b7f272fe98d425f1237cb383bda82effd96b0b","target":"record","created_at":"2026-05-18T01:04:54Z","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":"4e0adcb94555fdcd7fcf8f671ae3dfbdb24dca2216878938c2af380d7aacd71d","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2016-08-24T17:35:22Z","title_canon_sha256":"ded0dadb42800f4da2d865abc9682ac8bff5e95285375c19c5eddf313aa092a9"},"schema_version":"1.0","source":{"id":"1609.02495","kind":"arxiv","version":1}},"canonical_sha256":"492dba6bdc7959ccd095e1f5197b3b422561f881ccbaa5f7d238ce060da981ed","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"492dba6bdc7959ccd095e1f5197b3b422561f881ccbaa5f7d238ce060da981ed","first_computed_at":"2026-05-18T01:04:54.475948Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:04:54.475948Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Xue89kZFa9/VV8oaTsY94dma+QPmgVdgKbK5I6Eqbx1PhhQlCO8M28kdpcf6YoxoCRmxa+JsnUaq9N5+NrRVAg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:04:54.476501Z","signed_message":"canonical_sha256_bytes"},"source_id":"1609.02495","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:934a2154dbaebf0726b64c7c79b7f272fe98d425f1237cb383bda82effd96b0b","sha256:de5358c263838cccf61ef30a8e355824761ba1f5cf4cc099d61f2465f5557314"],"state_sha256":"31519774eb87e74cf7fc5eb5740a32726b23ff3298d3ce12ad7051122c6c97f6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EriE7Z1IIpPgbQkYYjEKDIJYABFfIQLYpVeHJukseMIiwjVeg/WQkLUYdDWl8wfvJoHfi8oPTLmwnPoaX2s/BQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-10T22:58:51.346721Z","bundle_sha256":"fe28a81c0659141244ace69669e13c1c22c96168c9910803cc1e4572645a93ce"}}