{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:2ZT6FWAWYSRDLMUGB6WOHEXAZK","short_pith_number":"pith:2ZT6FWAW","canonical_record":{"source":{"id":"1310.7092","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2013-10-26T09:48:28Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"b44c1280eda037758d81fbd590fcd8c1f2b575a4ef75356650ba2870a10f44ce","abstract_canon_sha256":"c04ccb0e26233012f66cc2fb0c41ac4cdaa3c2e99214a5fb6ab9a33b5b7e402d"},"schema_version":"1.0"},"canonical_sha256":"d667e2d816c4a235b2860face392e0ca98adbcbf450488c3cd5a0855eb383a6f","source":{"kind":"arxiv","id":"1310.7092","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1310.7092","created_at":"2026-05-18T01:46:49Z"},{"alias_kind":"arxiv_version","alias_value":"1310.7092v1","created_at":"2026-05-18T01:46:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.7092","created_at":"2026-05-18T01:46:49Z"},{"alias_kind":"pith_short_12","alias_value":"2ZT6FWAWYSRD","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_16","alias_value":"2ZT6FWAWYSRDLMUG","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_8","alias_value":"2ZT6FWAW","created_at":"2026-05-18T12:27:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:2ZT6FWAWYSRDLMUGB6WOHEXAZK","target":"record","payload":{"canonical_record":{"source":{"id":"1310.7092","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2013-10-26T09:48:28Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"b44c1280eda037758d81fbd590fcd8c1f2b575a4ef75356650ba2870a10f44ce","abstract_canon_sha256":"c04ccb0e26233012f66cc2fb0c41ac4cdaa3c2e99214a5fb6ab9a33b5b7e402d"},"schema_version":"1.0"},"canonical_sha256":"d667e2d816c4a235b2860face392e0ca98adbcbf450488c3cd5a0855eb383a6f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:46:49.184625Z","signature_b64":"6p5HJPS5jhqxywYEkJMc4caPSeSUqAAd1zBgfmn6szZ6UU/BGs5Ab+yAUFMdt2/abl1oWoJepZ0QD+1uTANtCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d667e2d816c4a235b2860face392e0ca98adbcbf450488c3cd5a0855eb383a6f","last_reissued_at":"2026-05-18T01:46:49.183974Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:46:49.183974Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1310.7092","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":"2026-05-18T01:46:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0/RHCpJE6FCdH5lr0ZtUbQ5khkarwEqy1ppSh/Ik0WencPMkpnIQTwr23+L734w+hHQF7riI/1WqGx4vPHMpCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T05:03:37.935581Z"},"content_sha256":"e70be13c5d2add6bdcded3a7f62bb899e3fe303f864e08fbb4633c5c310f8c8c","schema_version":"1.0","event_id":"sha256:e70be13c5d2add6bdcded3a7f62bb899e3fe303f864e08fbb4633c5c310f8c8c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:2ZT6FWAWYSRDLMUGB6WOHEXAZK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Multiple spiral patterns in the transitional disk of HD 100546","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"A. Boccaletti, A.-M. Lagrange, E. Pantin, H. Meheut, J.-C. Augereau, S. P. Quanz","submitted_at":"2013-10-26T09:48:28Z","abstract_excerpt":"Protoplanetary disks around young stars harbor many structures related to planetary formation. Of particular interest, spiral patterns were discovered among several of these disks and are expected to be the sign of gravitational instabilities leading to giant planets formation or gravitational perturbations caused by already existing planets. In this context, the star HD100546 presents some specific characteristics with a complex gas and dusty disk including spirals as well as a possible planet in formation. The objective of this study is to analyze high contrast and high angular resolution im"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.7092","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":"2026-05-18T01:46:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"V745QTI6j/Xm/zeoIU/50avNi5gH1zBAWqqTv8WeFHNvE7iZfGGC1Nl7XrPjblkB2ZSmONjmeuQON/IlNfvhCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T05:03:37.936272Z"},"content_sha256":"d29dc9b294f34794d9b276ca989fc4912d4c43317f2d352dbcf10e62b2f81dc3","schema_version":"1.0","event_id":"sha256:d29dc9b294f34794d9b276ca989fc4912d4c43317f2d352dbcf10e62b2f81dc3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2ZT6FWAWYSRDLMUGB6WOHEXAZK/bundle.json","state_url":"https://pith.science/pith/2ZT6FWAWYSRDLMUGB6WOHEXAZK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2ZT6FWAWYSRDLMUGB6WOHEXAZK/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":"2026-06-08T05:03:37Z","links":{"resolver":"https://pith.science/pith/2ZT6FWAWYSRDLMUGB6WOHEXAZK","bundle":"https://pith.science/pith/2ZT6FWAWYSRDLMUGB6WOHEXAZK/bundle.json","state":"https://pith.science/pith/2ZT6FWAWYSRDLMUGB6WOHEXAZK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2ZT6FWAWYSRDLMUGB6WOHEXAZK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:2ZT6FWAWYSRDLMUGB6WOHEXAZK","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":"c04ccb0e26233012f66cc2fb0c41ac4cdaa3c2e99214a5fb6ab9a33b5b7e402d","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2013-10-26T09:48:28Z","title_canon_sha256":"b44c1280eda037758d81fbd590fcd8c1f2b575a4ef75356650ba2870a10f44ce"},"schema_version":"1.0","source":{"id":"1310.7092","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1310.7092","created_at":"2026-05-18T01:46:49Z"},{"alias_kind":"arxiv_version","alias_value":"1310.7092v1","created_at":"2026-05-18T01:46:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.7092","created_at":"2026-05-18T01:46:49Z"},{"alias_kind":"pith_short_12","alias_value":"2ZT6FWAWYSRD","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_16","alias_value":"2ZT6FWAWYSRDLMUG","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_8","alias_value":"2ZT6FWAW","created_at":"2026-05-18T12:27:32Z"}],"graph_snapshots":[{"event_id":"sha256:d29dc9b294f34794d9b276ca989fc4912d4c43317f2d352dbcf10e62b2f81dc3","target":"graph","created_at":"2026-05-18T01:46:49Z","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":"Protoplanetary disks around young stars harbor many structures related to planetary formation. Of particular interest, spiral patterns were discovered among several of these disks and are expected to be the sign of gravitational instabilities leading to giant planets formation or gravitational perturbations caused by already existing planets. In this context, the star HD100546 presents some specific characteristics with a complex gas and dusty disk including spirals as well as a possible planet in formation. The objective of this study is to analyze high contrast and high angular resolution im","authors_text":"A. Boccaletti, A.-M. Lagrange, E. Pantin, H. Meheut, J.-C. Augereau, S. P. Quanz","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2013-10-26T09:48:28Z","title":"Multiple spiral patterns in the transitional disk of HD 100546"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.7092","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:e70be13c5d2add6bdcded3a7f62bb899e3fe303f864e08fbb4633c5c310f8c8c","target":"record","created_at":"2026-05-18T01:46:49Z","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":"c04ccb0e26233012f66cc2fb0c41ac4cdaa3c2e99214a5fb6ab9a33b5b7e402d","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2013-10-26T09:48:28Z","title_canon_sha256":"b44c1280eda037758d81fbd590fcd8c1f2b575a4ef75356650ba2870a10f44ce"},"schema_version":"1.0","source":{"id":"1310.7092","kind":"arxiv","version":1}},"canonical_sha256":"d667e2d816c4a235b2860face392e0ca98adbcbf450488c3cd5a0855eb383a6f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d667e2d816c4a235b2860face392e0ca98adbcbf450488c3cd5a0855eb383a6f","first_computed_at":"2026-05-18T01:46:49.183974Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:46:49.183974Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6p5HJPS5jhqxywYEkJMc4caPSeSUqAAd1zBgfmn6szZ6UU/BGs5Ab+yAUFMdt2/abl1oWoJepZ0QD+1uTANtCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:46:49.184625Z","signed_message":"canonical_sha256_bytes"},"source_id":"1310.7092","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e70be13c5d2add6bdcded3a7f62bb899e3fe303f864e08fbb4633c5c310f8c8c","sha256:d29dc9b294f34794d9b276ca989fc4912d4c43317f2d352dbcf10e62b2f81dc3"],"state_sha256":"7251304aa296be7cb30e85043a923473796aaa77f165d3fe12bfda5d188a8d2c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qOmcNrCcP/HlqoEz4jipXy9l0QqpA760rNqmMj6dvnCYOhk0MAKxq24mWB0uWQu/ZgklrLmaL0nqyhpWSD2nCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T05:03:37.940110Z","bundle_sha256":"afe1e78297de4399f7b88719f227ce2035cfd67f815c081ae03a49707b8e113e"}}