{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:LQTBNFESIR6MX2S6ILYHNFQMW5","short_pith_number":"pith:LQTBNFES","canonical_record":{"source":{"id":"1705.08703","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-05-24T11:30:07Z","cross_cats_sorted":[],"title_canon_sha256":"bd721454dd58884b99e434203ee51f7cbed0470c85a6dad952979f55e81e1925","abstract_canon_sha256":"081d779a2868f6031a8d33d9cd74e622a18986ba141a00dff3eadd33d14960f7"},"schema_version":"1.0"},"canonical_sha256":"5c26169492447ccbea5e42f076960cb76908c91fde21720bbbd814b617ec26f7","source":{"kind":"arxiv","id":"1705.08703","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.08703","created_at":"2026-05-18T00:40:03Z"},{"alias_kind":"arxiv_version","alias_value":"1705.08703v1","created_at":"2026-05-18T00:40:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.08703","created_at":"2026-05-18T00:40:03Z"},{"alias_kind":"pith_short_12","alias_value":"LQTBNFESIR6M","created_at":"2026-05-18T12:31:28Z"},{"alias_kind":"pith_short_16","alias_value":"LQTBNFESIR6MX2S6","created_at":"2026-05-18T12:31:28Z"},{"alias_kind":"pith_short_8","alias_value":"LQTBNFES","created_at":"2026-05-18T12:31:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:LQTBNFESIR6MX2S6ILYHNFQMW5","target":"record","payload":{"canonical_record":{"source":{"id":"1705.08703","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-05-24T11:30:07Z","cross_cats_sorted":[],"title_canon_sha256":"bd721454dd58884b99e434203ee51f7cbed0470c85a6dad952979f55e81e1925","abstract_canon_sha256":"081d779a2868f6031a8d33d9cd74e622a18986ba141a00dff3eadd33d14960f7"},"schema_version":"1.0"},"canonical_sha256":"5c26169492447ccbea5e42f076960cb76908c91fde21720bbbd814b617ec26f7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:40:03.424617Z","signature_b64":"0X7H4CWP67WldhteGq1RmoONHxvKAreWgtdCwGCE+xBfRAxVcAKx3yXcJS9Q9gLGpi30U4GVAnJsnFoRhj2eCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5c26169492447ccbea5e42f076960cb76908c91fde21720bbbd814b617ec26f7","last_reissued_at":"2026-05-18T00:40:03.424162Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:40:03.424162Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1705.08703","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":"2026-05-18T00:40:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tcaJbQPjaUpcHgiq+3zXrM0Hjul1FpzL1gTpDWXcOQ0TSy6eUGntHmrDicPAuzlaOqtfaKD/wiVCxu6hFK/0CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T05:23:30.187082Z"},"content_sha256":"492f9f9107c32b0c1074a2559994484e30c4e9df104c8a46df3a672eb2f170e8","schema_version":"1.0","event_id":"sha256:492f9f9107c32b0c1074a2559994484e30c4e9df104c8a46df3a672eb2f170e8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:LQTBNFESIR6MX2S6ILYHNFQMW5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Modelling polarized light from dust shells surrounding asymptotic giant branch stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Erik Aronson, Sara Bladh, Susanne H\\\"ofner","submitted_at":"2017-05-24T11:30:07Z","abstract_excerpt":"Winds of asymptotic giant branch (AGB) stars are commonly assumed to be driven by radiative acceleration of dust grains. For M-type AGB stars, the nature of the wind-driving dust species has been a matter of intense debate. A proposed source of the radiation pressure triggering the outflows is photon scattering on Fe-free silicate grains. This wind-driving mechanism requires grain radii of about 0.1 - 1 micron in order to make the dust particles efficient at scattering radiation around the stellar flux maximum. Grain size is therefore an important parameter for understanding the physics behind"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.08703","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":"2026-05-18T00:40:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4rcqlpm8BhJMZVyaZWG6uWrOnfNwcr5JnbOXEp2wzXYiyOqspWrDOvE+W5Kd4EaW6byM6Bj7VuqXFsuTlUv5DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T05:23:30.187436Z"},"content_sha256":"e3f799afa66b019b9f50598891497c90b0b751f6bb8c5d4c3aaa5337c116e0c0","schema_version":"1.0","event_id":"sha256:e3f799afa66b019b9f50598891497c90b0b751f6bb8c5d4c3aaa5337c116e0c0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LQTBNFESIR6MX2S6ILYHNFQMW5/bundle.json","state_url":"https://pith.science/pith/LQTBNFESIR6MX2S6ILYHNFQMW5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LQTBNFESIR6MX2S6ILYHNFQMW5/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":"2026-06-01T05:23:30Z","links":{"resolver":"https://pith.science/pith/LQTBNFESIR6MX2S6ILYHNFQMW5","bundle":"https://pith.science/pith/LQTBNFESIR6MX2S6ILYHNFQMW5/bundle.json","state":"https://pith.science/pith/LQTBNFESIR6MX2S6ILYHNFQMW5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LQTBNFESIR6MX2S6ILYHNFQMW5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:LQTBNFESIR6MX2S6ILYHNFQMW5","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":"081d779a2868f6031a8d33d9cd74e622a18986ba141a00dff3eadd33d14960f7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-05-24T11:30:07Z","title_canon_sha256":"bd721454dd58884b99e434203ee51f7cbed0470c85a6dad952979f55e81e1925"},"schema_version":"1.0","source":{"id":"1705.08703","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.08703","created_at":"2026-05-18T00:40:03Z"},{"alias_kind":"arxiv_version","alias_value":"1705.08703v1","created_at":"2026-05-18T00:40:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.08703","created_at":"2026-05-18T00:40:03Z"},{"alias_kind":"pith_short_12","alias_value":"LQTBNFESIR6M","created_at":"2026-05-18T12:31:28Z"},{"alias_kind":"pith_short_16","alias_value":"LQTBNFESIR6MX2S6","created_at":"2026-05-18T12:31:28Z"},{"alias_kind":"pith_short_8","alias_value":"LQTBNFES","created_at":"2026-05-18T12:31:28Z"}],"graph_snapshots":[{"event_id":"sha256:e3f799afa66b019b9f50598891497c90b0b751f6bb8c5d4c3aaa5337c116e0c0","target":"graph","created_at":"2026-05-18T00:40:03Z","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":"Winds of asymptotic giant branch (AGB) stars are commonly assumed to be driven by radiative acceleration of dust grains. For M-type AGB stars, the nature of the wind-driving dust species has been a matter of intense debate. A proposed source of the radiation pressure triggering the outflows is photon scattering on Fe-free silicate grains. This wind-driving mechanism requires grain radii of about 0.1 - 1 micron in order to make the dust particles efficient at scattering radiation around the stellar flux maximum. Grain size is therefore an important parameter for understanding the physics behind","authors_text":"Erik Aronson, Sara Bladh, Susanne H\\\"ofner","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-05-24T11:30:07Z","title":"Modelling polarized light from dust shells surrounding asymptotic giant branch stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.08703","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":"sha256:492f9f9107c32b0c1074a2559994484e30c4e9df104c8a46df3a672eb2f170e8","target":"record","created_at":"2026-05-18T00:40:03Z","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":"081d779a2868f6031a8d33d9cd74e622a18986ba141a00dff3eadd33d14960f7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-05-24T11:30:07Z","title_canon_sha256":"bd721454dd58884b99e434203ee51f7cbed0470c85a6dad952979f55e81e1925"},"schema_version":"1.0","source":{"id":"1705.08703","kind":"arxiv","version":1}},"canonical_sha256":"5c26169492447ccbea5e42f076960cb76908c91fde21720bbbd814b617ec26f7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5c26169492447ccbea5e42f076960cb76908c91fde21720bbbd814b617ec26f7","first_computed_at":"2026-05-18T00:40:03.424162Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:40:03.424162Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0X7H4CWP67WldhteGq1RmoONHxvKAreWgtdCwGCE+xBfRAxVcAKx3yXcJS9Q9gLGpi30U4GVAnJsnFoRhj2eCA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:40:03.424617Z","signed_message":"canonical_sha256_bytes"},"source_id":"1705.08703","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:492f9f9107c32b0c1074a2559994484e30c4e9df104c8a46df3a672eb2f170e8","sha256:e3f799afa66b019b9f50598891497c90b0b751f6bb8c5d4c3aaa5337c116e0c0"],"state_sha256":"f288a871682de5b7d2f8e1790c12db1bea632ea25c386cd16d87d7f1775885bb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KpnxrGNPoZm9K/awwIfHR8/zuA9AedqUe87eqL02BpvUQfdtrUjvfti6jX61kv+sp7CKnftXRUhhYYV3iOiZBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T05:23:30.189736Z","bundle_sha256":"d553033fbc5e408986adf234635260bc44b0a4e0a4a5952147dccf4b2c6004cd"}}