{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:KPYOJIGO25432TKP646FFWOESN","short_pith_number":"pith:KPYOJIGO","canonical_record":{"source":{"id":"1109.4999","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-09-23T04:57:47Z","cross_cats_sorted":[],"title_canon_sha256":"74c1655827f5750ebecf32c6ff67bdfba84b90a2854aaa7035778ad856e7931a","abstract_canon_sha256":"9ee68f58cde0dcf0c6d31a11e97b05a884e2966d418cbcc2b5e388bdbd4f20a5"},"schema_version":"1.0"},"canonical_sha256":"53f0e4a0ced779bd4d4ff73c52d9c4934cdc36ff5734eb32ad61f6b26a6a19c2","source":{"kind":"arxiv","id":"1109.4999","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.4999","created_at":"2026-05-18T02:00:26Z"},{"alias_kind":"arxiv_version","alias_value":"1109.4999v1","created_at":"2026-05-18T02:00:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.4999","created_at":"2026-05-18T02:00:26Z"},{"alias_kind":"pith_short_12","alias_value":"KPYOJIGO2543","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_16","alias_value":"KPYOJIGO25432TKP","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_8","alias_value":"KPYOJIGO","created_at":"2026-05-18T12:26:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:KPYOJIGO25432TKP646FFWOESN","target":"record","payload":{"canonical_record":{"source":{"id":"1109.4999","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-09-23T04:57:47Z","cross_cats_sorted":[],"title_canon_sha256":"74c1655827f5750ebecf32c6ff67bdfba84b90a2854aaa7035778ad856e7931a","abstract_canon_sha256":"9ee68f58cde0dcf0c6d31a11e97b05a884e2966d418cbcc2b5e388bdbd4f20a5"},"schema_version":"1.0"},"canonical_sha256":"53f0e4a0ced779bd4d4ff73c52d9c4934cdc36ff5734eb32ad61f6b26a6a19c2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:00:26.225191Z","signature_b64":"y6gGCsA69LlZW/BICdtkmIgRbMfbZtuQh653c7GlbqhnHeWPE9SGjagp5vMqe2F/CHCCWmhXQq2muj4YqT+JAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"53f0e4a0ced779bd4d4ff73c52d9c4934cdc36ff5734eb32ad61f6b26a6a19c2","last_reissued_at":"2026-05-18T02:00:26.224611Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:00:26.224611Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1109.4999","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":"2026-05-18T02:00:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LQpgI0+QKA5y7WcBeUAN9+RkXzxrf6Ad5SMAHwuIHwIwv3bNXL8zudnorK5Sx/gRt1XNRFxjqZgoxTxv/Xj5DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T17:57:41.559575Z"},"content_sha256":"6ed8a90477034e04d16a48ce3ff31e33d420657c47dce049306c89ef1c9c985d","schema_version":"1.0","event_id":"sha256:6ed8a90477034e04d16a48ce3ff31e33d420657c47dce049306c89ef1c9c985d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:KPYOJIGO25432TKP646FFWOESN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Observing Compact Disks Inside Pre-Planetary Nebulae with the Very Large Telescope Interferometer","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"B. J. Hrivnak, E. Lagadec, H. Van Winckel, O. Chesneau, O. De Marco, S. N. Bright","submitted_at":"2011-09-23T04:57:47Z","abstract_excerpt":"AGB stars appear to lose mass spherically, but many PNe resulting from the AGB mass-loss have non-spherical morphologies. Compact disks have been found in some bipolar PNe, but their role in the shaping process remains unknown. Compact Keplarian disks are found to be common around post-AGB binaries, however, these objects may never develop into PNe. Another group of post-AGB stars, known as pre-PNe, are surrounded by collimated nebulae shining by reflected light or shock ionisation. We are observing the inner circumstellar regions of pre-PNe at high angular resolutions with the VLTI. We seek t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.4999","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":"2026-05-18T02:00:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lsEEKuElGxtG4p27AsicHqNgseCqtOeV0jL/llsGfpcwIYvqQ0I/cXxqSw6E2m6gF4AYMamHajWnaIoHCOofDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T17:57:41.560217Z"},"content_sha256":"ebca76442a10e2fc8a696ba0a65f6a64bc5a8304ef88da81d30cbb7a9a899387","schema_version":"1.0","event_id":"sha256:ebca76442a10e2fc8a696ba0a65f6a64bc5a8304ef88da81d30cbb7a9a899387"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KPYOJIGO25432TKP646FFWOESN/bundle.json","state_url":"https://pith.science/pith/KPYOJIGO25432TKP646FFWOESN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KPYOJIGO25432TKP646FFWOESN/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":"2026-06-07T17:57:41Z","links":{"resolver":"https://pith.science/pith/KPYOJIGO25432TKP646FFWOESN","bundle":"https://pith.science/pith/KPYOJIGO25432TKP646FFWOESN/bundle.json","state":"https://pith.science/pith/KPYOJIGO25432TKP646FFWOESN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KPYOJIGO25432TKP646FFWOESN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:KPYOJIGO25432TKP646FFWOESN","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":"9ee68f58cde0dcf0c6d31a11e97b05a884e2966d418cbcc2b5e388bdbd4f20a5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-09-23T04:57:47Z","title_canon_sha256":"74c1655827f5750ebecf32c6ff67bdfba84b90a2854aaa7035778ad856e7931a"},"schema_version":"1.0","source":{"id":"1109.4999","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.4999","created_at":"2026-05-18T02:00:26Z"},{"alias_kind":"arxiv_version","alias_value":"1109.4999v1","created_at":"2026-05-18T02:00:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.4999","created_at":"2026-05-18T02:00:26Z"},{"alias_kind":"pith_short_12","alias_value":"KPYOJIGO2543","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_16","alias_value":"KPYOJIGO25432TKP","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_8","alias_value":"KPYOJIGO","created_at":"2026-05-18T12:26:34Z"}],"graph_snapshots":[{"event_id":"sha256:ebca76442a10e2fc8a696ba0a65f6a64bc5a8304ef88da81d30cbb7a9a899387","target":"graph","created_at":"2026-05-18T02:00:26Z","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":"AGB stars appear to lose mass spherically, but many PNe resulting from the AGB mass-loss have non-spherical morphologies. Compact disks have been found in some bipolar PNe, but their role in the shaping process remains unknown. Compact Keplarian disks are found to be common around post-AGB binaries, however, these objects may never develop into PNe. Another group of post-AGB stars, known as pre-PNe, are surrounded by collimated nebulae shining by reflected light or shock ionisation. We are observing the inner circumstellar regions of pre-PNe at high angular resolutions with the VLTI. We seek t","authors_text":"B. J. Hrivnak, E. Lagadec, H. Van Winckel, O. Chesneau, O. De Marco, S. N. Bright","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-09-23T04:57:47Z","title":"Observing Compact Disks Inside Pre-Planetary Nebulae with the Very Large Telescope Interferometer"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.4999","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":"sha256:6ed8a90477034e04d16a48ce3ff31e33d420657c47dce049306c89ef1c9c985d","target":"record","created_at":"2026-05-18T02:00:26Z","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":"9ee68f58cde0dcf0c6d31a11e97b05a884e2966d418cbcc2b5e388bdbd4f20a5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-09-23T04:57:47Z","title_canon_sha256":"74c1655827f5750ebecf32c6ff67bdfba84b90a2854aaa7035778ad856e7931a"},"schema_version":"1.0","source":{"id":"1109.4999","kind":"arxiv","version":1}},"canonical_sha256":"53f0e4a0ced779bd4d4ff73c52d9c4934cdc36ff5734eb32ad61f6b26a6a19c2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"53f0e4a0ced779bd4d4ff73c52d9c4934cdc36ff5734eb32ad61f6b26a6a19c2","first_computed_at":"2026-05-18T02:00:26.224611Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:00:26.224611Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"y6gGCsA69LlZW/BICdtkmIgRbMfbZtuQh653c7GlbqhnHeWPE9SGjagp5vMqe2F/CHCCWmhXQq2muj4YqT+JAw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:00:26.225191Z","signed_message":"canonical_sha256_bytes"},"source_id":"1109.4999","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6ed8a90477034e04d16a48ce3ff31e33d420657c47dce049306c89ef1c9c985d","sha256:ebca76442a10e2fc8a696ba0a65f6a64bc5a8304ef88da81d30cbb7a9a899387"],"state_sha256":"84751097f6493c7c9615789d3cbd0ebe09249bb4aa43697dbd1ee76e85eaf21d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nC8pVnjsjSzQ4lgoBwH/GswLo1voy3sPf9OghhlCmcRJlzYVlCB+CfTi+vtvK+475UtTo/yoyNeGPLhzeWLzAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T17:57:41.563614Z","bundle_sha256":"ffce37a71fc0f69da942d01065814629d02fd06b4cd7a6300919bc5a8b4df943"}}