{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:DG5PBVZW6F3I4CLPLCW2LR2Y5S","short_pith_number":"pith:DG5PBVZW","canonical_record":{"source":{"id":"1701.06706","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-01-24T01:52:59Z","cross_cats_sorted":[],"title_canon_sha256":"7f3e682e90834b96d72ddd41c73776652935819ae2c1de000352acb399d91d3f","abstract_canon_sha256":"2c454a8f72da3dab6cc470f77b889a5b2abe3094fae027f26aa71d9e15292cf7"},"schema_version":"1.0"},"canonical_sha256":"19baf0d736f1768e096f58ada5c758ecbe38753625283ce8654b835b2c1f0d81","source":{"kind":"arxiv","id":"1701.06706","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.06706","created_at":"2026-05-18T00:28:16Z"},{"alias_kind":"arxiv_version","alias_value":"1701.06706v2","created_at":"2026-05-18T00:28:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.06706","created_at":"2026-05-18T00:28:16Z"},{"alias_kind":"pith_short_12","alias_value":"DG5PBVZW6F3I","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_16","alias_value":"DG5PBVZW6F3I4CLP","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_8","alias_value":"DG5PBVZW","created_at":"2026-05-18T12:31:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:DG5PBVZW6F3I4CLPLCW2LR2Y5S","target":"record","payload":{"canonical_record":{"source":{"id":"1701.06706","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-01-24T01:52:59Z","cross_cats_sorted":[],"title_canon_sha256":"7f3e682e90834b96d72ddd41c73776652935819ae2c1de000352acb399d91d3f","abstract_canon_sha256":"2c454a8f72da3dab6cc470f77b889a5b2abe3094fae027f26aa71d9e15292cf7"},"schema_version":"1.0"},"canonical_sha256":"19baf0d736f1768e096f58ada5c758ecbe38753625283ce8654b835b2c1f0d81","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:28:16.231282Z","signature_b64":"KVYwMxh8P3Vte3uhhl7pp4a9bpDw30WbpdN33ppK0mmhz/zXPUccnPlmm2EAmSaAyHK/T5eAq7F4OGGJGjpbDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"19baf0d736f1768e096f58ada5c758ecbe38753625283ce8654b835b2c1f0d81","last_reissued_at":"2026-05-18T00:28:16.230666Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:28:16.230666Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1701.06706","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:28:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"b/jW5EfS5GEQD1tY3lwXyNiHUuzUidbo00FNBbluGQkBkZmbYuh0bpE0VOqpw3DhadmLYFsYjbKWTPQYZy4mDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T21:01:32.088417Z"},"content_sha256":"494e2ba4d560efbde7f120acb39e8944612f0c66c621b6953ef44a6dd6f06f52","schema_version":"1.0","event_id":"sha256:494e2ba4d560efbde7f120acb39e8944612f0c66c621b6953ef44a6dd6f06f52"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:DG5PBVZW6F3I4CLPLCW2LR2Y5S","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Detailed modeling of dust distribution in the disk of HD 142527","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Kang-Lou Soon, Munetake Momose, Takashi Tsukagoshi, Takayuki Muto, Tomoyuki Hanawa","submitted_at":"2017-01-24T01:52:59Z","abstract_excerpt":"We investigate the dust distribution in the crescent disk around HD 142527 based on the continuum emission at $890 \\mathrm{\\ \\mu m}$ obtained by ALMA Cycle 0. The map is divided into $18$ azimuthal sectors, and the radial intensity profile in each sector is reproduced with a 2D disk model. Our model takes account of scattering and inclination of the disk as well as the azimuthal dependence in intensity. When the dust is assumed to have the conventional composition and maximum size of $1\\ \\mathrm{mm}$, the northwestern region ($PA=329^{\\circ}-29^{\\circ}$) cannot be reproduced. This is because t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.06706","kind":"arxiv","version":2},"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":"2026-05-18T00:28:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2WVrSHgDQZ+LClZEJFbK01LMtkJadDc++GuH939IIQhpK8VWsthUplQUmdYNro75EPBoB6ZQhhHuU/y7Y1RnDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T21:01:32.089060Z"},"content_sha256":"449fb75580e7be06f50a5b2cd761e72b3332da0f6181bf1988f67d17b034fcc3","schema_version":"1.0","event_id":"sha256:449fb75580e7be06f50a5b2cd761e72b3332da0f6181bf1988f67d17b034fcc3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DG5PBVZW6F3I4CLPLCW2LR2Y5S/bundle.json","state_url":"https://pith.science/pith/DG5PBVZW6F3I4CLPLCW2LR2Y5S/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DG5PBVZW6F3I4CLPLCW2LR2Y5S/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":"2026-06-08T21:01:32Z","links":{"resolver":"https://pith.science/pith/DG5PBVZW6F3I4CLPLCW2LR2Y5S","bundle":"https://pith.science/pith/DG5PBVZW6F3I4CLPLCW2LR2Y5S/bundle.json","state":"https://pith.science/pith/DG5PBVZW6F3I4CLPLCW2LR2Y5S/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DG5PBVZW6F3I4CLPLCW2LR2Y5S/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:DG5PBVZW6F3I4CLPLCW2LR2Y5S","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":"2c454a8f72da3dab6cc470f77b889a5b2abe3094fae027f26aa71d9e15292cf7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-01-24T01:52:59Z","title_canon_sha256":"7f3e682e90834b96d72ddd41c73776652935819ae2c1de000352acb399d91d3f"},"schema_version":"1.0","source":{"id":"1701.06706","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.06706","created_at":"2026-05-18T00:28:16Z"},{"alias_kind":"arxiv_version","alias_value":"1701.06706v2","created_at":"2026-05-18T00:28:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.06706","created_at":"2026-05-18T00:28:16Z"},{"alias_kind":"pith_short_12","alias_value":"DG5PBVZW6F3I","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_16","alias_value":"DG5PBVZW6F3I4CLP","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_8","alias_value":"DG5PBVZW","created_at":"2026-05-18T12:31:10Z"}],"graph_snapshots":[{"event_id":"sha256:449fb75580e7be06f50a5b2cd761e72b3332da0f6181bf1988f67d17b034fcc3","target":"graph","created_at":"2026-05-18T00:28:16Z","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":"We investigate the dust distribution in the crescent disk around HD 142527 based on the continuum emission at $890 \\mathrm{\\ \\mu m}$ obtained by ALMA Cycle 0. The map is divided into $18$ azimuthal sectors, and the radial intensity profile in each sector is reproduced with a 2D disk model. Our model takes account of scattering and inclination of the disk as well as the azimuthal dependence in intensity. When the dust is assumed to have the conventional composition and maximum size of $1\\ \\mathrm{mm}$, the northwestern region ($PA=329^{\\circ}-29^{\\circ}$) cannot be reproduced. This is because t","authors_text":"Kang-Lou Soon, Munetake Momose, Takashi Tsukagoshi, Takayuki Muto, Tomoyuki Hanawa","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-01-24T01:52:59Z","title":"Detailed modeling of dust distribution in the disk of HD 142527"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.06706","kind":"arxiv","version":2},"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":"sha256:494e2ba4d560efbde7f120acb39e8944612f0c66c621b6953ef44a6dd6f06f52","target":"record","created_at":"2026-05-18T00:28:16Z","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":"2c454a8f72da3dab6cc470f77b889a5b2abe3094fae027f26aa71d9e15292cf7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-01-24T01:52:59Z","title_canon_sha256":"7f3e682e90834b96d72ddd41c73776652935819ae2c1de000352acb399d91d3f"},"schema_version":"1.0","source":{"id":"1701.06706","kind":"arxiv","version":2}},"canonical_sha256":"19baf0d736f1768e096f58ada5c758ecbe38753625283ce8654b835b2c1f0d81","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"19baf0d736f1768e096f58ada5c758ecbe38753625283ce8654b835b2c1f0d81","first_computed_at":"2026-05-18T00:28:16.230666Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:28:16.230666Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KVYwMxh8P3Vte3uhhl7pp4a9bpDw30WbpdN33ppK0mmhz/zXPUccnPlmm2EAmSaAyHK/T5eAq7F4OGGJGjpbDg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:28:16.231282Z","signed_message":"canonical_sha256_bytes"},"source_id":"1701.06706","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:494e2ba4d560efbde7f120acb39e8944612f0c66c621b6953ef44a6dd6f06f52","sha256:449fb75580e7be06f50a5b2cd761e72b3332da0f6181bf1988f67d17b034fcc3"],"state_sha256":"22c393f0fe8a4475214816d4463114d9a5d2fbc5b5d8f44e0db73b7118be6c57"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UgjCvzWxHlUS5EUZexNRewfkIIQ4aWlPTUL3V0JZGDnJU4ZLfrb7GWYciW2YLUOPeVgK0+YFaHwgPeuWLaNLBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T21:01:32.092478Z","bundle_sha256":"be515bf561e300512da48894c87a506d0caa13d775d56ac061078b251094599b"}}