{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:RHI2Z3VRJM6WZRMZ6NYXKBBANT","short_pith_number":"pith:RHI2Z3VR","canonical_record":{"source":{"id":"1610.08939","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-10-20T08:32:37Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"ac7d5336a4e3495d1f85efcff3e56522c69f98fb87bc4ad6d67d9c02e5356fe3","abstract_canon_sha256":"1e524b7042b153b0dc14284dfbd489d29a2db860e4838a62fcd60c913a7d74a6"},"schema_version":"1.0"},"canonical_sha256":"89d1aceeb14b3d6cc599f3717504206cff79b8e5013679aaf37509ffd6838cd1","source":{"kind":"arxiv","id":"1610.08939","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.08939","created_at":"2026-05-18T00:48:16Z"},{"alias_kind":"arxiv_version","alias_value":"1610.08939v1","created_at":"2026-05-18T00:48:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.08939","created_at":"2026-05-18T00:48:16Z"},{"alias_kind":"pith_short_12","alias_value":"RHI2Z3VRJM6W","created_at":"2026-05-18T12:30:41Z"},{"alias_kind":"pith_short_16","alias_value":"RHI2Z3VRJM6WZRMZ","created_at":"2026-05-18T12:30:41Z"},{"alias_kind":"pith_short_8","alias_value":"RHI2Z3VR","created_at":"2026-05-18T12:30:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:RHI2Z3VRJM6WZRMZ6NYXKBBANT","target":"record","payload":{"canonical_record":{"source":{"id":"1610.08939","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-10-20T08:32:37Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"ac7d5336a4e3495d1f85efcff3e56522c69f98fb87bc4ad6d67d9c02e5356fe3","abstract_canon_sha256":"1e524b7042b153b0dc14284dfbd489d29a2db860e4838a62fcd60c913a7d74a6"},"schema_version":"1.0"},"canonical_sha256":"89d1aceeb14b3d6cc599f3717504206cff79b8e5013679aaf37509ffd6838cd1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:48:16.557062Z","signature_b64":"6DEYkZ4kBvzmZBqiNa/fCAKaJNycTjaPX0ZZSrxe3PNEHsrX+L0TynlBihLnhxqgZqekmdGX1ySz4jTKlWChBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"89d1aceeb14b3d6cc599f3717504206cff79b8e5013679aaf37509ffd6838cd1","last_reissued_at":"2026-05-18T00:48:16.556381Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:48:16.556381Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1610.08939","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":"2026-05-18T00:48:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iI3WbUGNwPPun9cpagvY7A9ZswTtpkvvHSw+Gbnei1XPAIQBV590FVMdeC2A7vNwwwjTTIScOGirt9a1cazGCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T16:36:52.275779Z"},"content_sha256":"3d401d5bd54029b1ce2d7336d553882164f7e50da06a4957d1ec6fe2d3e4a25e","schema_version":"1.0","event_id":"sha256:3d401d5bd54029b1ce2d7336d553882164f7e50da06a4957d1ec6fe2d3e4a25e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:RHI2Z3VRJM6WZRMZ6NYXKBBANT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Three radial gaps in the disk of TW Hydrae imaged with SPHERE","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"Adriana Pohl, Aiara Lobo Gomes, Alexey Pavlov, Alice Zurlo, Andr\\'e M\\\"uller, Anthony Boccaletti, Carsten Dominik, Christian Ginski, Christian Thalmann, Daniel Gisler, Francois Menard, Francois Wildi, Hans Martin Schmid, Henning Avenhaus, Jean-Fran\\c{c}ois Sauvage, Jonathan Menu, Jos De Boer, Julien H. Girard, Maud Langlois, Michiel Min, Myriam Benisty, Patrick Rabou, Rich Teague, Ronald Roelfsema, Roy van Boekel, Sascha P. Quanz, Thomas Henning","submitted_at":"2016-10-20T08:32:37Z","abstract_excerpt":"We present scattered light images of the TW Hya disk performed with SPHERE in PDI mode at 0.63, 0.79, 1.24 and 1.62 micron. We also present H2/H3-band ADI observations. Three distinct radial depressions in the polarized intensity distribution are seen, around 85, 21, and 6~au. The overall intensity distribution has a high degree of azimuthal symmetry; the disk is somewhat brighter than average towards the South and darker towards the North-West. The ADI observations yielded no signifiant detection of point sources in the disk.\n  Our observations have a linear spatial resolution of 1 to 2au, si"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.08939","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":"2026-05-18T00:48:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zSWNroc2B3jJjW1TkOK7uALKcfif5ez8GdyzMUqNh6W92PVP04GboonklaTjKilO75Gr88dZKC6QwW2uO8kDCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T16:36:52.276471Z"},"content_sha256":"6fccf1be9af1afce1a56d376f2ef35ea3333945e6e80050f13c6a09bd850b4a2","schema_version":"1.0","event_id":"sha256:6fccf1be9af1afce1a56d376f2ef35ea3333945e6e80050f13c6a09bd850b4a2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RHI2Z3VRJM6WZRMZ6NYXKBBANT/bundle.json","state_url":"https://pith.science/pith/RHI2Z3VRJM6WZRMZ6NYXKBBANT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RHI2Z3VRJM6WZRMZ6NYXKBBANT/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":"2026-05-29T16:36:52Z","links":{"resolver":"https://pith.science/pith/RHI2Z3VRJM6WZRMZ6NYXKBBANT","bundle":"https://pith.science/pith/RHI2Z3VRJM6WZRMZ6NYXKBBANT/bundle.json","state":"https://pith.science/pith/RHI2Z3VRJM6WZRMZ6NYXKBBANT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RHI2Z3VRJM6WZRMZ6NYXKBBANT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:RHI2Z3VRJM6WZRMZ6NYXKBBANT","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":"1e524b7042b153b0dc14284dfbd489d29a2db860e4838a62fcd60c913a7d74a6","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-10-20T08:32:37Z","title_canon_sha256":"ac7d5336a4e3495d1f85efcff3e56522c69f98fb87bc4ad6d67d9c02e5356fe3"},"schema_version":"1.0","source":{"id":"1610.08939","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.08939","created_at":"2026-05-18T00:48:16Z"},{"alias_kind":"arxiv_version","alias_value":"1610.08939v1","created_at":"2026-05-18T00:48:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.08939","created_at":"2026-05-18T00:48:16Z"},{"alias_kind":"pith_short_12","alias_value":"RHI2Z3VRJM6W","created_at":"2026-05-18T12:30:41Z"},{"alias_kind":"pith_short_16","alias_value":"RHI2Z3VRJM6WZRMZ","created_at":"2026-05-18T12:30:41Z"},{"alias_kind":"pith_short_8","alias_value":"RHI2Z3VR","created_at":"2026-05-18T12:30:41Z"}],"graph_snapshots":[{"event_id":"sha256:6fccf1be9af1afce1a56d376f2ef35ea3333945e6e80050f13c6a09bd850b4a2","target":"graph","created_at":"2026-05-18T00:48:16Z","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 present scattered light images of the TW Hya disk performed with SPHERE in PDI mode at 0.63, 0.79, 1.24 and 1.62 micron. We also present H2/H3-band ADI observations. Three distinct radial depressions in the polarized intensity distribution are seen, around 85, 21, and 6~au. The overall intensity distribution has a high degree of azimuthal symmetry; the disk is somewhat brighter than average towards the South and darker towards the North-West. The ADI observations yielded no signifiant detection of point sources in the disk.\n  Our observations have a linear spatial resolution of 1 to 2au, si","authors_text":"Adriana Pohl, Aiara Lobo Gomes, Alexey Pavlov, Alice Zurlo, Andr\\'e M\\\"uller, Anthony Boccaletti, Carsten Dominik, Christian Ginski, Christian Thalmann, Daniel Gisler, Francois Menard, Francois Wildi, Hans Martin Schmid, Henning Avenhaus, Jean-Fran\\c{c}ois Sauvage, Jonathan Menu, Jos De Boer, Julien H. Girard, Maud Langlois, Michiel Min, Myriam Benisty, Patrick Rabou, Rich Teague, Ronald Roelfsema, Roy van Boekel, Sascha P. Quanz, Thomas Henning","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-10-20T08:32:37Z","title":"Three radial gaps in the disk of TW Hydrae imaged with SPHERE"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.08939","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":"sha256:3d401d5bd54029b1ce2d7336d553882164f7e50da06a4957d1ec6fe2d3e4a25e","target":"record","created_at":"2026-05-18T00:48:16Z","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":"1e524b7042b153b0dc14284dfbd489d29a2db860e4838a62fcd60c913a7d74a6","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-10-20T08:32:37Z","title_canon_sha256":"ac7d5336a4e3495d1f85efcff3e56522c69f98fb87bc4ad6d67d9c02e5356fe3"},"schema_version":"1.0","source":{"id":"1610.08939","kind":"arxiv","version":1}},"canonical_sha256":"89d1aceeb14b3d6cc599f3717504206cff79b8e5013679aaf37509ffd6838cd1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"89d1aceeb14b3d6cc599f3717504206cff79b8e5013679aaf37509ffd6838cd1","first_computed_at":"2026-05-18T00:48:16.556381Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:48:16.556381Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6DEYkZ4kBvzmZBqiNa/fCAKaJNycTjaPX0ZZSrxe3PNEHsrX+L0TynlBihLnhxqgZqekmdGX1ySz4jTKlWChBw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:48:16.557062Z","signed_message":"canonical_sha256_bytes"},"source_id":"1610.08939","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3d401d5bd54029b1ce2d7336d553882164f7e50da06a4957d1ec6fe2d3e4a25e","sha256:6fccf1be9af1afce1a56d376f2ef35ea3333945e6e80050f13c6a09bd850b4a2"],"state_sha256":"889ee338f97876ffdb96b47d9a074dc33bd5c8e1e7230edec7b236f4fbdf2409"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5laMNXc7eiLMXSY8ax8QGlcBZosPaE5U6oUlDS/jOABEPpE2qQgRE7Sj/UWZDADmXG+TcXvMpMEH7c+c0Zp3Bw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-29T16:36:52.279780Z","bundle_sha256":"eb6310c4e841342bd56f27323bc1b10554548443a0dd6b4d8a16d66f86172e81"}}