{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:KYWTZKUVTQA3LS5EMIOI67JMSK","short_pith_number":"pith:KYWTZKUV","canonical_record":{"source":{"id":"1008.3894","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2010-08-23T19:38:24Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"16de19f78fb5d19e904ee3676aa61a9f591967d440fcf66096865e847c4e46ba","abstract_canon_sha256":"f2f668ada218f247456d0b4f4f08bc1a3c746fefc7d28f13488561f12eafa8ad"},"schema_version":"1.0"},"canonical_sha256":"562d3caa959c01b5cba4621c8f7d2c9281a4e56ccf593bfa082fc8efe05951fc","source":{"kind":"arxiv","id":"1008.3894","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.3894","created_at":"2026-05-18T02:05:43Z"},{"alias_kind":"arxiv_version","alias_value":"1008.3894v1","created_at":"2026-05-18T02:05:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.3894","created_at":"2026-05-18T02:05:43Z"},{"alias_kind":"pith_short_12","alias_value":"KYWTZKUVTQA3","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_16","alias_value":"KYWTZKUVTQA3LS5E","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_8","alias_value":"KYWTZKUV","created_at":"2026-05-18T12:26:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:KYWTZKUVTQA3LS5EMIOI67JMSK","target":"record","payload":{"canonical_record":{"source":{"id":"1008.3894","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2010-08-23T19:38:24Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"16de19f78fb5d19e904ee3676aa61a9f591967d440fcf66096865e847c4e46ba","abstract_canon_sha256":"f2f668ada218f247456d0b4f4f08bc1a3c746fefc7d28f13488561f12eafa8ad"},"schema_version":"1.0"},"canonical_sha256":"562d3caa959c01b5cba4621c8f7d2c9281a4e56ccf593bfa082fc8efe05951fc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:05:43.641973Z","signature_b64":"51a4leO4gBod+R/NoDGLj2PEuCIvhppCcG6mmOgO01LISZxiAgD/NgjPyLJ9tRmCGMmwBy1emWQaRsXupHRkAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"562d3caa959c01b5cba4621c8f7d2c9281a4e56ccf593bfa082fc8efe05951fc","last_reissued_at":"2026-05-18T02:05:43.641303Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:05:43.641303Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1008.3894","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":"2026-05-18T02:05:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pKQ1SPYa6Dkc1SsrUy/rHmaC3xLQWa1u6nQqt72hPFj0Asaom/P0UvLgvPnHe03HpWY1rdka4M4LFBi+m7fNDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T16:32:56.638194Z"},"content_sha256":"f1bc238064c233f2d09b59cf999beb0c680a1dd1109960158794cfec415e093a","schema_version":"1.0","event_id":"sha256:f1bc238064c233f2d09b59cf999beb0c680a1dd1109960158794cfec415e093a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:KYWTZKUVTQA3LS5EMIOI67JMSK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Criss-cross mapping BD+30 3639: a new kinematic analysis technique","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"astro-ph.GA","authors_text":"Francisco Tamayo, Nico Koning, Wolfgang Steffen","submitted_at":"2010-08-23T19:38:24Z","abstract_excerpt":"We present a new analysis of kinematic data of the young planetary nebula BD+30 3639. The data include spectroscopic long-slit and internal proper motion measurements. In this paper we also introduce a new type of mapping of kinematic proper motion data that we name \"criss-cross\" mapping. It basically consists of finding all points where extended proper motion vectors cross converge. From the crossing points a map is generated which helps to interpret the kinematic data. From the criss-cross mapping of BD+30 3639, we conclude that the kinematic center is approximately 0.5 arcsec offset to the "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.3894","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":"2026-05-18T02:05:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9le7Gif76ek4ZiKdKKaRyCi0TwRwYEZtg4dehxPzVhSuWHeHbxDmUg4Lpk/85ITHUCyPHA+UM+rHrp4UurebDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T16:32:56.638810Z"},"content_sha256":"dfd4c7c3386e1cd29ce6a7e8ff1e571f5682f3ac8016cf5917941aa27ca3b091","schema_version":"1.0","event_id":"sha256:dfd4c7c3386e1cd29ce6a7e8ff1e571f5682f3ac8016cf5917941aa27ca3b091"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KYWTZKUVTQA3LS5EMIOI67JMSK/bundle.json","state_url":"https://pith.science/pith/KYWTZKUVTQA3LS5EMIOI67JMSK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KYWTZKUVTQA3LS5EMIOI67JMSK/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":"2026-05-31T16:32:56Z","links":{"resolver":"https://pith.science/pith/KYWTZKUVTQA3LS5EMIOI67JMSK","bundle":"https://pith.science/pith/KYWTZKUVTQA3LS5EMIOI67JMSK/bundle.json","state":"https://pith.science/pith/KYWTZKUVTQA3LS5EMIOI67JMSK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KYWTZKUVTQA3LS5EMIOI67JMSK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:KYWTZKUVTQA3LS5EMIOI67JMSK","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":"f2f668ada218f247456d0b4f4f08bc1a3c746fefc7d28f13488561f12eafa8ad","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2010-08-23T19:38:24Z","title_canon_sha256":"16de19f78fb5d19e904ee3676aa61a9f591967d440fcf66096865e847c4e46ba"},"schema_version":"1.0","source":{"id":"1008.3894","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.3894","created_at":"2026-05-18T02:05:43Z"},{"alias_kind":"arxiv_version","alias_value":"1008.3894v1","created_at":"2026-05-18T02:05:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.3894","created_at":"2026-05-18T02:05:43Z"},{"alias_kind":"pith_short_12","alias_value":"KYWTZKUVTQA3","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_16","alias_value":"KYWTZKUVTQA3LS5E","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_8","alias_value":"KYWTZKUV","created_at":"2026-05-18T12:26:09Z"}],"graph_snapshots":[{"event_id":"sha256:dfd4c7c3386e1cd29ce6a7e8ff1e571f5682f3ac8016cf5917941aa27ca3b091","target":"graph","created_at":"2026-05-18T02:05:43Z","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 a new analysis of kinematic data of the young planetary nebula BD+30 3639. The data include spectroscopic long-slit and internal proper motion measurements. In this paper we also introduce a new type of mapping of kinematic proper motion data that we name \"criss-cross\" mapping. It basically consists of finding all points where extended proper motion vectors cross converge. From the crossing points a map is generated which helps to interpret the kinematic data. From the criss-cross mapping of BD+30 3639, we conclude that the kinematic center is approximately 0.5 arcsec offset to the ","authors_text":"Francisco Tamayo, Nico Koning, Wolfgang Steffen","cross_cats":["astro-ph.IM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2010-08-23T19:38:24Z","title":"Criss-cross mapping BD+30 3639: a new kinematic analysis technique"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.3894","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:f1bc238064c233f2d09b59cf999beb0c680a1dd1109960158794cfec415e093a","target":"record","created_at":"2026-05-18T02:05:43Z","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":"f2f668ada218f247456d0b4f4f08bc1a3c746fefc7d28f13488561f12eafa8ad","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2010-08-23T19:38:24Z","title_canon_sha256":"16de19f78fb5d19e904ee3676aa61a9f591967d440fcf66096865e847c4e46ba"},"schema_version":"1.0","source":{"id":"1008.3894","kind":"arxiv","version":1}},"canonical_sha256":"562d3caa959c01b5cba4621c8f7d2c9281a4e56ccf593bfa082fc8efe05951fc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"562d3caa959c01b5cba4621c8f7d2c9281a4e56ccf593bfa082fc8efe05951fc","first_computed_at":"2026-05-18T02:05:43.641303Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:05:43.641303Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"51a4leO4gBod+R/NoDGLj2PEuCIvhppCcG6mmOgO01LISZxiAgD/NgjPyLJ9tRmCGMmwBy1emWQaRsXupHRkAg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:05:43.641973Z","signed_message":"canonical_sha256_bytes"},"source_id":"1008.3894","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f1bc238064c233f2d09b59cf999beb0c680a1dd1109960158794cfec415e093a","sha256:dfd4c7c3386e1cd29ce6a7e8ff1e571f5682f3ac8016cf5917941aa27ca3b091"],"state_sha256":"be7a6c7892aeaaff31d16ae2dd30aa9337da1d5843dc66a63e1d183147567d0d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zUkuaMf8t1teGDCOt1UXt7xVjvlJiE91KSooceDtXCMnOWMYbF2XV31XolTSA6FMKpX+Tk1l+M4C+fWLoFIKCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T16:32:56.641953Z","bundle_sha256":"a096fb09dac65138078621d1f268670780e2db24f9d42bf7ff69742ef86e3cbe"}}