{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:PX3OBQJOUPBZDZYMA7SUZKRG6G","short_pith_number":"pith:PX3OBQJO","canonical_record":{"source":{"id":"2506.10599","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2025-06-12T11:43:40Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"f4c53e1fdebad253968138bb82fb5121fd6e02c710a186b90bfba33bb405ef5c","abstract_canon_sha256":"3681e2692180a663369e514d75881be7cc20899430cd3ccf84ecac15b0298ec1"},"schema_version":"1.0"},"canonical_sha256":"7df6e0c12ea3c391e70c07e54caa26f197d37024d1d7df88e993ba6e7e511831","source":{"kind":"arxiv","id":"2506.10599","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.10599","created_at":"2026-07-05T11:24:22Z"},{"alias_kind":"arxiv_version","alias_value":"2506.10599v3","created_at":"2026-07-05T11:24:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.10599","created_at":"2026-07-05T11:24:22Z"},{"alias_kind":"pith_short_12","alias_value":"PX3OBQJOUPBZ","created_at":"2026-07-05T11:24:22Z"},{"alias_kind":"pith_short_16","alias_value":"PX3OBQJOUPBZDZYM","created_at":"2026-07-05T11:24:22Z"},{"alias_kind":"pith_short_8","alias_value":"PX3OBQJO","created_at":"2026-07-05T11:24:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:PX3OBQJOUPBZDZYMA7SUZKRG6G","target":"record","payload":{"canonical_record":{"source":{"id":"2506.10599","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2025-06-12T11:43:40Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"f4c53e1fdebad253968138bb82fb5121fd6e02c710a186b90bfba33bb405ef5c","abstract_canon_sha256":"3681e2692180a663369e514d75881be7cc20899430cd3ccf84ecac15b0298ec1"},"schema_version":"1.0"},"canonical_sha256":"7df6e0c12ea3c391e70c07e54caa26f197d37024d1d7df88e993ba6e7e511831","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:24:22.887370Z","signature_b64":"DGvEaPHozuJem+UwmNoumxkbbtTXlTTL29Ss/xh4KN1PaXCsNI9m8xFkNBCHXSPY9QAkSi2hrKyb3N1Zmvn9AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7df6e0c12ea3c391e70c07e54caa26f197d37024d1d7df88e993ba6e7e511831","last_reissued_at":"2026-07-05T11:24:22.886843Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:24:22.886843Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2506.10599","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T11:24:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jzi+QaKV4qanBCQTClFCiGXObo5JxgBM+tvzKmcl970SkT1GXWuZGPDxM3G8iq2rHukTfmcrniOToBADuTUcCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T10:29:53.606261Z"},"content_sha256":"1e77cd04577f8ae7cd2ad1b20a58c0595e3f69b440b205b6e870cb4d2b8ce911","schema_version":"1.0","event_id":"sha256:1e77cd04577f8ae7cd2ad1b20a58c0595e3f69b440b205b6e870cb4d2b8ce911"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:PX3OBQJOUPBZDZYMA7SUZKRG6G","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Enhancing Taiji's Parameter Estimation under Non-Stationarity: a Time-Frequency Domain Framework for Galactic Binaries and Instrumental Noises","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"gr-qc","authors_text":"Minghui Du, Peng Xu, Ziren Luo","submitted_at":"2025-06-12T11:43:40Z","abstract_excerpt":"The data analysis of space-based gravitational wave detectors like Taiji faces significant challenges from non-stationary noise, which compromises the efficacy of traditional frequency-domain analysis. This work proposes a unified framework based on short-time Fourier transform (STFT) to enhance parameter estimation of Galactic binary and characterization of instrumental noise under non-stationarity. Segmenting data into locally stationary intervals, we derive STFT-based models for signals and noises, and implement Bayesian inference via the extended Whittle likelihood. Validated through the a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.10599","kind":"arxiv","version":3},"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/2506.10599/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":"2026-07-05T11:24:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6jY0buqR2YFo/Y5YRSD4e/RW5E7QV01R0OLPimTh9ruFO3LnaymKtxAfHK0ZR168snA+mOGmzJ+S111A9r5GCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T10:29:53.606784Z"},"content_sha256":"369f6e6c8c6b5636b123c05735202f300f476243e3b44725e0698d5bcf0609ab","schema_version":"1.0","event_id":"sha256:369f6e6c8c6b5636b123c05735202f300f476243e3b44725e0698d5bcf0609ab"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PX3OBQJOUPBZDZYMA7SUZKRG6G/bundle.json","state_url":"https://pith.science/pith/PX3OBQJOUPBZDZYMA7SUZKRG6G/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PX3OBQJOUPBZDZYMA7SUZKRG6G/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":"2026-08-09T10:29:53Z","links":{"resolver":"https://pith.science/pith/PX3OBQJOUPBZDZYMA7SUZKRG6G","bundle":"https://pith.science/pith/PX3OBQJOUPBZDZYMA7SUZKRG6G/bundle.json","state":"https://pith.science/pith/PX3OBQJOUPBZDZYMA7SUZKRG6G/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PX3OBQJOUPBZDZYMA7SUZKRG6G/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:PX3OBQJOUPBZDZYMA7SUZKRG6G","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":"3681e2692180a663369e514d75881be7cc20899430cd3ccf84ecac15b0298ec1","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2025-06-12T11:43:40Z","title_canon_sha256":"f4c53e1fdebad253968138bb82fb5121fd6e02c710a186b90bfba33bb405ef5c"},"schema_version":"1.0","source":{"id":"2506.10599","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.10599","created_at":"2026-07-05T11:24:22Z"},{"alias_kind":"arxiv_version","alias_value":"2506.10599v3","created_at":"2026-07-05T11:24:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.10599","created_at":"2026-07-05T11:24:22Z"},{"alias_kind":"pith_short_12","alias_value":"PX3OBQJOUPBZ","created_at":"2026-07-05T11:24:22Z"},{"alias_kind":"pith_short_16","alias_value":"PX3OBQJOUPBZDZYM","created_at":"2026-07-05T11:24:22Z"},{"alias_kind":"pith_short_8","alias_value":"PX3OBQJO","created_at":"2026-07-05T11:24:22Z"}],"graph_snapshots":[{"event_id":"sha256:369f6e6c8c6b5636b123c05735202f300f476243e3b44725e0698d5bcf0609ab","target":"graph","created_at":"2026-07-05T11:24:22Z","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/2506.10599/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The data analysis of space-based gravitational wave detectors like Taiji faces significant challenges from non-stationary noise, which compromises the efficacy of traditional frequency-domain analysis. This work proposes a unified framework based on short-time Fourier transform (STFT) to enhance parameter estimation of Galactic binary and characterization of instrumental noise under non-stationarity. Segmenting data into locally stationary intervals, we derive STFT-based models for signals and noises, and implement Bayesian inference via the extended Whittle likelihood. Validated through the a","authors_text":"Minghui Du, Peng Xu, Ziren Luo","cross_cats":["astro-ph.IM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2025-06-12T11:43:40Z","title":"Enhancing Taiji's Parameter Estimation under Non-Stationarity: a Time-Frequency Domain Framework for Galactic Binaries and Instrumental Noises"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.10599","kind":"arxiv","version":3},"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":"sha256:1e77cd04577f8ae7cd2ad1b20a58c0595e3f69b440b205b6e870cb4d2b8ce911","target":"record","created_at":"2026-07-05T11:24:22Z","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":"3681e2692180a663369e514d75881be7cc20899430cd3ccf84ecac15b0298ec1","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2025-06-12T11:43:40Z","title_canon_sha256":"f4c53e1fdebad253968138bb82fb5121fd6e02c710a186b90bfba33bb405ef5c"},"schema_version":"1.0","source":{"id":"2506.10599","kind":"arxiv","version":3}},"canonical_sha256":"7df6e0c12ea3c391e70c07e54caa26f197d37024d1d7df88e993ba6e7e511831","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7df6e0c12ea3c391e70c07e54caa26f197d37024d1d7df88e993ba6e7e511831","first_computed_at":"2026-07-05T11:24:22.886843Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:24:22.886843Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DGvEaPHozuJem+UwmNoumxkbbtTXlTTL29Ss/xh4KN1PaXCsNI9m8xFkNBCHXSPY9QAkSi2hrKyb3N1Zmvn9AA==","signature_status":"signed_v1","signed_at":"2026-07-05T11:24:22.887370Z","signed_message":"canonical_sha256_bytes"},"source_id":"2506.10599","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1e77cd04577f8ae7cd2ad1b20a58c0595e3f69b440b205b6e870cb4d2b8ce911","sha256:369f6e6c8c6b5636b123c05735202f300f476243e3b44725e0698d5bcf0609ab"],"state_sha256":"31951997c6653095f5042c68f203e4b90cc510de9ab57e831da131a62b171595"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6+xl3hkrRQqlKDIvBs0XlBVAMzsMtk3iiVRtaYDAKoofN0WeO51hxJXt5R/jXhuvVs4KdHniwi9C+jKtD1gBCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-09T10:29:53.610967Z","bundle_sha256":"13c8d29b0c4aa14824bbdf902a428586df4877b2b496458a9e69da03220c2e63"}}