{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:TTM2V6W6ED6HUONDQSZO4FC64D","short_pith_number":"pith:TTM2V6W6","schema_version":"1.0","canonical_sha256":"9cd9aafade20fc7a39a384b2ee145ee0dc94de607c227c5aabeb0abb2617f74a","source":{"kind":"arxiv","id":"1408.1813","version":1},"attestation_state":"computed","paper":{"title":"Photophoretic Strength on Chondrules. 2. Experiment","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.SR","authors_text":"Addi Bischoff, Alexander Hesse, Christoph Loesche, Gerhard Wurm, Jens Teiser, Jon M. Friedrich","submitted_at":"2014-08-08T10:43:57Z","abstract_excerpt":"Photophoretic motion can transport illuminated particles in protoplanetary disks. In a previous paper we focused on the modeling of steady state photophoretic forces based on the compositions derived from tomography and heat transfer. Here, we present microgravity experiments which deviate significantly from the steady state calculations of the first paper. The experiments on average show a significantly smaller force than predicted with a large variation in absolute photophoretic force and in the direction of motion with respect to the illumination. Time-dependent modeling of photophoretic fo"},"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":"1408.1813","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-08-08T10:43:57Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"ce7bfcd0e22d094b625cc1f03384023859e1ba02c1bad5bc1b4867be455fdcd0","abstract_canon_sha256":"32019995eaf414e65c6cd07267df6f72055781363e65f02eeca49188418e341b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:17:26.017263Z","signature_b64":"2mwGlVIgP72NPnXVm3koTGx98UzLv8/5u/jtRYNL88IR/i3TfV0unT0354z8xAODckmNtxtoUP84wvyBHqfRAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9cd9aafade20fc7a39a384b2ee145ee0dc94de607c227c5aabeb0abb2617f74a","last_reissued_at":"2026-05-18T01:17:26.016793Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:17:26.016793Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Photophoretic Strength on Chondrules. 2. Experiment","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.SR","authors_text":"Addi Bischoff, Alexander Hesse, Christoph Loesche, Gerhard Wurm, Jens Teiser, Jon M. Friedrich","submitted_at":"2014-08-08T10:43:57Z","abstract_excerpt":"Photophoretic motion can transport illuminated particles in protoplanetary disks. In a previous paper we focused on the modeling of steady state photophoretic forces based on the compositions derived from tomography and heat transfer. Here, we present microgravity experiments which deviate significantly from the steady state calculations of the first paper. The experiments on average show a significantly smaller force than predicted with a large variation in absolute photophoretic force and in the direction of motion with respect to the illumination. Time-dependent modeling of photophoretic fo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.1813","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1408.1813","created_at":"2026-05-18T01:17:26.016870+00:00"},{"alias_kind":"arxiv_version","alias_value":"1408.1813v1","created_at":"2026-05-18T01:17:26.016870+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.1813","created_at":"2026-05-18T01:17:26.016870+00:00"},{"alias_kind":"pith_short_12","alias_value":"TTM2V6W6ED6H","created_at":"2026-05-18T12:28:52.271510+00:00"},{"alias_kind":"pith_short_16","alias_value":"TTM2V6W6ED6HUOND","created_at":"2026-05-18T12:28:52.271510+00:00"},{"alias_kind":"pith_short_8","alias_value":"TTM2V6W6","created_at":"2026-05-18T12:28:52.271510+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/TTM2V6W6ED6HUONDQSZO4FC64D","json":"https://pith.science/pith/TTM2V6W6ED6HUONDQSZO4FC64D.json","graph_json":"https://pith.science/api/pith-number/TTM2V6W6ED6HUONDQSZO4FC64D/graph.json","events_json":"https://pith.science/api/pith-number/TTM2V6W6ED6HUONDQSZO4FC64D/events.json","paper":"https://pith.science/paper/TTM2V6W6"},"agent_actions":{"view_html":"https://pith.science/pith/TTM2V6W6ED6HUONDQSZO4FC64D","download_json":"https://pith.science/pith/TTM2V6W6ED6HUONDQSZO4FC64D.json","view_paper":"https://pith.science/paper/TTM2V6W6","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1408.1813&json=true","fetch_graph":"https://pith.science/api/pith-number/TTM2V6W6ED6HUONDQSZO4FC64D/graph.json","fetch_events":"https://pith.science/api/pith-number/TTM2V6W6ED6HUONDQSZO4FC64D/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/TTM2V6W6ED6HUONDQSZO4FC64D/action/timestamp_anchor","attest_storage":"https://pith.science/pith/TTM2V6W6ED6HUONDQSZO4FC64D/action/storage_attestation","attest_author":"https://pith.science/pith/TTM2V6W6ED6HUONDQSZO4FC64D/action/author_attestation","sign_citation":"https://pith.science/pith/TTM2V6W6ED6HUONDQSZO4FC64D/action/citation_signature","submit_replication":"https://pith.science/pith/TTM2V6W6ED6HUONDQSZO4FC64D/action/replication_record"}},"created_at":"2026-05-18T01:17:26.016870+00:00","updated_at":"2026-05-18T01:17:26.016870+00:00"}