{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:HUFKXXT75X3O2L3WZHEZQPAZ3I","short_pith_number":"pith:HUFKXXT7","schema_version":"1.0","canonical_sha256":"3d0aabde7fedf6ed2f76c9c9983c19da288b9227e6bd016f9934230e5dae3949","source":{"kind":"arxiv","id":"2501.05913","version":1},"attestation_state":"computed","paper":{"title":"Dust processing in the terrestrial planet-forming region of the PDS 70 disk","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Dafa Li, Fujun Du, Giulia Perotti, Haoran Feng, Hongchi Wang, Min Fang, Thomas Henning, Yao Liu","submitted_at":"2025-01-10T12:15:39Z","abstract_excerpt":"Dust grains in protoplanetary disks are the building blocks of planets. Investigating the dust composition and size, and their variation over time, is crucial for understanding the planet formation process. The PDS 70 disk is so far the only protoplanetary disk with concrete evidence for the presence of young planets. Mid-infrared spectra were obtained for PDS 70 by the Infrared Spectrograph (IRS) on the Spitzer Space Telescope (SST) and the Mid-Infrared Instrument (MIRI) on the James Webb Space Telescope (JWST) in 2007 and 2022, respectively. In this work, we investigate the dust mineralogy t"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2501.05913","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2025-01-10T12:15:39Z","cross_cats_sorted":[],"title_canon_sha256":"485f7613a20e18c55e27f47bd1b83e9268c92cd350466d7be2c0cff126b9fe16","abstract_canon_sha256":"916d5ea1e8f62ec82ddc9ee82b20390e59e5f9162416793c90950a50c80291e0"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:59:30.297857Z","signature_b64":"taUml8r1hSq2zZcdDW0R+nFOEkUUq3R0pQtxD7UBBMgZCHh1EK2s09MoywVSVdkdKPq5aUUb4oV3wFti+iSZDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3d0aabde7fedf6ed2f76c9c9983c19da288b9227e6bd016f9934230e5dae3949","last_reissued_at":"2026-07-05T09:59:30.297402Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:59:30.297402Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Dust processing in the terrestrial planet-forming region of the PDS 70 disk","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Dafa Li, Fujun Du, Giulia Perotti, Haoran Feng, Hongchi Wang, Min Fang, Thomas Henning, Yao Liu","submitted_at":"2025-01-10T12:15:39Z","abstract_excerpt":"Dust grains in protoplanetary disks are the building blocks of planets. Investigating the dust composition and size, and their variation over time, is crucial for understanding the planet formation process. The PDS 70 disk is so far the only protoplanetary disk with concrete evidence for the presence of young planets. Mid-infrared spectra were obtained for PDS 70 by the Infrared Spectrograph (IRS) on the Spitzer Space Telescope (SST) and the Mid-Infrared Instrument (MIRI) on the James Webb Space Telescope (JWST) in 2007 and 2022, respectively. In this work, we investigate the dust mineralogy t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.05913","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/2501.05913/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2501.05913","created_at":"2026-07-05T09:59:30.297461+00:00"},{"alias_kind":"arxiv_version","alias_value":"2501.05913v1","created_at":"2026-07-05T09:59:30.297461+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.05913","created_at":"2026-07-05T09:59:30.297461+00:00"},{"alias_kind":"pith_short_12","alias_value":"HUFKXXT75X3O","created_at":"2026-07-05T09:59:30.297461+00:00"},{"alias_kind":"pith_short_16","alias_value":"HUFKXXT75X3O2L3W","created_at":"2026-07-05T09:59:30.297461+00:00"},{"alias_kind":"pith_short_8","alias_value":"HUFKXXT7","created_at":"2026-07-05T09:59:30.297461+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2506.11709","citing_title":"Inner disc and circumplanetary material in the PDS 70 system","ref_index":31,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/HUFKXXT75X3O2L3WZHEZQPAZ3I","json":"https://pith.science/pith/HUFKXXT75X3O2L3WZHEZQPAZ3I.json","graph_json":"https://pith.science/api/pith-number/HUFKXXT75X3O2L3WZHEZQPAZ3I/graph.json","events_json":"https://pith.science/api/pith-number/HUFKXXT75X3O2L3WZHEZQPAZ3I/events.json","paper":"https://pith.science/paper/HUFKXXT7"},"agent_actions":{"view_html":"https://pith.science/pith/HUFKXXT75X3O2L3WZHEZQPAZ3I","download_json":"https://pith.science/pith/HUFKXXT75X3O2L3WZHEZQPAZ3I.json","view_paper":"https://pith.science/paper/HUFKXXT7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2501.05913&json=true","fetch_graph":"https://pith.science/api/pith-number/HUFKXXT75X3O2L3WZHEZQPAZ3I/graph.json","fetch_events":"https://pith.science/api/pith-number/HUFKXXT75X3O2L3WZHEZQPAZ3I/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/HUFKXXT75X3O2L3WZHEZQPAZ3I/action/timestamp_anchor","attest_storage":"https://pith.science/pith/HUFKXXT75X3O2L3WZHEZQPAZ3I/action/storage_attestation","attest_author":"https://pith.science/pith/HUFKXXT75X3O2L3WZHEZQPAZ3I/action/author_attestation","sign_citation":"https://pith.science/pith/HUFKXXT75X3O2L3WZHEZQPAZ3I/action/citation_signature","submit_replication":"https://pith.science/pith/HUFKXXT75X3O2L3WZHEZQPAZ3I/action/replication_record"}},"created_at":"2026-07-05T09:59:30.297461+00:00","updated_at":"2026-07-05T09:59:30.297461+00:00"}