{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:4ND5NPQ2T5LKZYO5YJJCYRRUJR","short_pith_number":"pith:4ND5NPQ2","canonical_record":{"source":{"id":"2605.29173","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-05-27T23:16:02Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"bb0569fde0cf0f705dd3a54baad4037e87246d04fd0cf67f9987e915a92e99a0","abstract_canon_sha256":"147f912386ebc098795a305699e828fccd5e452f4cf2931a443e4ab350670dfb"},"schema_version":"1.0"},"canonical_sha256":"e347d6be1a9f56ace1ddc2522c46344c5c036684780c886bddc50f8ce58b2a7a","source":{"kind":"arxiv","id":"2605.29173","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.29173","created_at":"2026-05-29T01:05:22Z"},{"alias_kind":"arxiv_version","alias_value":"2605.29173v1","created_at":"2026-05-29T01:05:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.29173","created_at":"2026-05-29T01:05:22Z"},{"alias_kind":"pith_short_12","alias_value":"4ND5NPQ2T5LK","created_at":"2026-05-29T01:05:22Z"},{"alias_kind":"pith_short_16","alias_value":"4ND5NPQ2T5LKZYO5","created_at":"2026-05-29T01:05:22Z"},{"alias_kind":"pith_short_8","alias_value":"4ND5NPQ2","created_at":"2026-05-29T01:05:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:4ND5NPQ2T5LKZYO5YJJCYRRUJR","target":"record","payload":{"canonical_record":{"source":{"id":"2605.29173","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-05-27T23:16:02Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"bb0569fde0cf0f705dd3a54baad4037e87246d04fd0cf67f9987e915a92e99a0","abstract_canon_sha256":"147f912386ebc098795a305699e828fccd5e452f4cf2931a443e4ab350670dfb"},"schema_version":"1.0"},"canonical_sha256":"e347d6be1a9f56ace1ddc2522c46344c5c036684780c886bddc50f8ce58b2a7a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-29T01:05:22.764221Z","signature_b64":"Hu0JIgDoQg9Vlq22jL0xJ4H1LdFMRwgkTMtNOFE7xiGXXlt841y8woc4tPoi07XK9zjis4/GV4+IA+MOOlqrAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e347d6be1a9f56ace1ddc2522c46344c5c036684780c886bddc50f8ce58b2a7a","last_reissued_at":"2026-05-29T01:05:22.763330Z","signature_status":"signed_v1","first_computed_at":"2026-05-29T01:05:22.763330Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2605.29173","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":"2026-05-29T01:05:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8cVQTe/MTESEzhRwdlMJSnyZRveDwNQqcmpYXHT0kbkVuBOWfk3dUTA6HAjx2+rQIvv5uKi4y3hTwnqtLrPuCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T22:54:53.978202Z"},"content_sha256":"dbdc947f23a36137443b60dbaff2d6874ea5cf5118f21ada225cba3854e032d9","schema_version":"1.0","event_id":"sha256:dbdc947f23a36137443b60dbaff2d6874ea5cf5118f21ada225cba3854e032d9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:4ND5NPQ2T5LKZYO5YJJCYRRUJR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Modular non-Hermitian topology and its application to critical sensing","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"quant-ph","authors_text":"Abolfazl Bayat, Chiranjib Mukhopadhyay, Saubhik Sarkar","submitted_at":"2026-05-27T23:16:02Z","abstract_excerpt":"Non-Hermitian topological systems have attracted a lot of research activities in recent times, both theoretically and experimentally, due to their unique physical properties and association with open quantum systems. We show that modular structures, where specific couplings at regular intervals take distinct values, enrich the unique topological attributes of these systems such as the non-Hermitian skin effect and the breakdown of conventional bulk-boundary correspondence. These systems also possess the capability of displaying criticality-enhanced sensitivity for precision metrology. We estab"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.29173","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/2605.29173/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":"2026-05-29T01:05:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1p+wtp9y0Eu8zL1U53EdO8ann+Cpyy119Jj202OStRTaScmxK4KK7NgWga/GKrZ+3nwlu6TdtzLr3oTYxKpxAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T22:54:53.978987Z"},"content_sha256":"1735b5efbf63c6a98a2c937b2ec586db16251b8a216a8fe803805dd951fdb3dd","schema_version":"1.0","event_id":"sha256:1735b5efbf63c6a98a2c937b2ec586db16251b8a216a8fe803805dd951fdb3dd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4ND5NPQ2T5LKZYO5YJJCYRRUJR/bundle.json","state_url":"https://pith.science/pith/4ND5NPQ2T5LKZYO5YJJCYRRUJR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4ND5NPQ2T5LKZYO5YJJCYRRUJR/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":"2026-06-06T22:54:53Z","links":{"resolver":"https://pith.science/pith/4ND5NPQ2T5LKZYO5YJJCYRRUJR","bundle":"https://pith.science/pith/4ND5NPQ2T5LKZYO5YJJCYRRUJR/bundle.json","state":"https://pith.science/pith/4ND5NPQ2T5LKZYO5YJJCYRRUJR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4ND5NPQ2T5LKZYO5YJJCYRRUJR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:4ND5NPQ2T5LKZYO5YJJCYRRUJR","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":"147f912386ebc098795a305699e828fccd5e452f4cf2931a443e4ab350670dfb","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-05-27T23:16:02Z","title_canon_sha256":"bb0569fde0cf0f705dd3a54baad4037e87246d04fd0cf67f9987e915a92e99a0"},"schema_version":"1.0","source":{"id":"2605.29173","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.29173","created_at":"2026-05-29T01:05:22Z"},{"alias_kind":"arxiv_version","alias_value":"2605.29173v1","created_at":"2026-05-29T01:05:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.29173","created_at":"2026-05-29T01:05:22Z"},{"alias_kind":"pith_short_12","alias_value":"4ND5NPQ2T5LK","created_at":"2026-05-29T01:05:22Z"},{"alias_kind":"pith_short_16","alias_value":"4ND5NPQ2T5LKZYO5","created_at":"2026-05-29T01:05:22Z"},{"alias_kind":"pith_short_8","alias_value":"4ND5NPQ2","created_at":"2026-05-29T01:05:22Z"}],"graph_snapshots":[{"event_id":"sha256:1735b5efbf63c6a98a2c937b2ec586db16251b8a216a8fe803805dd951fdb3dd","target":"graph","created_at":"2026-05-29T01:05:22Z","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/2605.29173/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Non-Hermitian topological systems have attracted a lot of research activities in recent times, both theoretically and experimentally, due to their unique physical properties and association with open quantum systems. We show that modular structures, where specific couplings at regular intervals take distinct values, enrich the unique topological attributes of these systems such as the non-Hermitian skin effect and the breakdown of conventional bulk-boundary correspondence. These systems also possess the capability of displaying criticality-enhanced sensitivity for precision metrology. We estab","authors_text":"Abolfazl Bayat, Chiranjib Mukhopadhyay, Saubhik Sarkar","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-05-27T23:16:02Z","title":"Modular non-Hermitian topology and its application to critical sensing"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.29173","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:dbdc947f23a36137443b60dbaff2d6874ea5cf5118f21ada225cba3854e032d9","target":"record","created_at":"2026-05-29T01:05:22Z","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":"147f912386ebc098795a305699e828fccd5e452f4cf2931a443e4ab350670dfb","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-05-27T23:16:02Z","title_canon_sha256":"bb0569fde0cf0f705dd3a54baad4037e87246d04fd0cf67f9987e915a92e99a0"},"schema_version":"1.0","source":{"id":"2605.29173","kind":"arxiv","version":1}},"canonical_sha256":"e347d6be1a9f56ace1ddc2522c46344c5c036684780c886bddc50f8ce58b2a7a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e347d6be1a9f56ace1ddc2522c46344c5c036684780c886bddc50f8ce58b2a7a","first_computed_at":"2026-05-29T01:05:22.763330Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-29T01:05:22.763330Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Hu0JIgDoQg9Vlq22jL0xJ4H1LdFMRwgkTMtNOFE7xiGXXlt841y8woc4tPoi07XK9zjis4/GV4+IA+MOOlqrAA==","signature_status":"signed_v1","signed_at":"2026-05-29T01:05:22.764221Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.29173","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dbdc947f23a36137443b60dbaff2d6874ea5cf5118f21ada225cba3854e032d9","sha256:1735b5efbf63c6a98a2c937b2ec586db16251b8a216a8fe803805dd951fdb3dd"],"state_sha256":"083a864d5fe4e717e9688e0642602c0f33b1bbbf4399935c785dca817d4a9624"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wsUmfqTm3rXQr7LoyeC5QaU4f7J0UTR8VsvxKWj2b+fhCHAxdAsvRcdTwatWvk86JxpaOC6sHH4elw4a1nD6AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T22:54:53.982665Z","bundle_sha256":"e6d0943cd320949b835cc1810b4611986acbc7ba4647252765d88a3a6e23313f"}}