{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:YJZH74AZD5ADA2Q3544DOGE4PQ","short_pith_number":"pith:YJZH74AZ","canonical_record":{"source":{"id":"0912.0247","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-12-01T20:24:13Z","cross_cats_sorted":[],"title_canon_sha256":"5210ee342c0d3f9afecf42cd074d82af9e0f3bfbc2ff1c942751b4bd4bca719b","abstract_canon_sha256":"0d0dc56a69a97a61f792057b231b7808c4526ec51b795ffe963bb047b2ae2a78"},"schema_version":"1.0"},"canonical_sha256":"c2727ff0191f40306a1bef3837189c7c37d4f57748fe1974ee7da4daddb34185","source":{"kind":"arxiv","id":"0912.0247","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0912.0247","created_at":"2026-05-18T02:10:35Z"},{"alias_kind":"arxiv_version","alias_value":"0912.0247v1","created_at":"2026-05-18T02:10:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0912.0247","created_at":"2026-05-18T02:10:35Z"},{"alias_kind":"pith_short_12","alias_value":"YJZH74AZD5AD","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_16","alias_value":"YJZH74AZD5ADA2Q3","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_8","alias_value":"YJZH74AZ","created_at":"2026-05-18T12:26:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:YJZH74AZD5ADA2Q3544DOGE4PQ","target":"record","payload":{"canonical_record":{"source":{"id":"0912.0247","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-12-01T20:24:13Z","cross_cats_sorted":[],"title_canon_sha256":"5210ee342c0d3f9afecf42cd074d82af9e0f3bfbc2ff1c942751b4bd4bca719b","abstract_canon_sha256":"0d0dc56a69a97a61f792057b231b7808c4526ec51b795ffe963bb047b2ae2a78"},"schema_version":"1.0"},"canonical_sha256":"c2727ff0191f40306a1bef3837189c7c37d4f57748fe1974ee7da4daddb34185","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:10:35.023623Z","signature_b64":"SsWNohEOMRpPBZpqAyZScHXOo1lKgQgvT7287OM8tDz8a703o9qaZSpblfDLKkAwQxZKXGsVipgADvt1K01TCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c2727ff0191f40306a1bef3837189c7c37d4f57748fe1974ee7da4daddb34185","last_reissued_at":"2026-05-18T02:10:35.022816Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:10:35.022816Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0912.0247","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":"2026-05-18T02:10:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vlnauVNud+dt+vHUdccWx7w0vRGMNqqlMH7e8O5LZD9YUqC8VfUCl4ujjDLAaoaVg8v/9i07irv3FGM6VLW7CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T22:58:45.610469Z"},"content_sha256":"7fcedb9f332af7549a333362b92561f79b94f5d46fd2dde4f7292df7471c2d42","schema_version":"1.0","event_id":"sha256:7fcedb9f332af7549a333362b92561f79b94f5d46fd2dde4f7292df7471c2d42"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:YJZH74AZD5ADA2Q3544DOGE4PQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Evidence for a Strong End-On Bar in the Ringed Sigma-Drop Galaxy NGC 6503","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"E. Freeland, L. Chomiuk, R. Keenan, T. Nelson","submitted_at":"2009-12-01T20:24:13Z","abstract_excerpt":"We use WIYN High-resolution Infrared Camera (WHIRC) H (1.6 micron) band imaging, archival Spitzer, HST, and GALEX data, simulations and data from the literature to argue for the presence of a strong end-on bar in nearby spiral galaxy NGC 6503. The evidence consists of both photometric and kinematic signatures as well as resonant structures present in the galaxy which are most often associated with bars. These include a central peak followed by a plateau in the surface brightness profile, an extreme decrement in the central stellar velocity dispersion (a sigma-drop), and the presence of an inne"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0912.0247","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":"2026-05-18T02:10:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2YsAxKYM5E8EKxmnojAOKMIfH1fjysyyzTnbVCWY6zMp70MFbFLoqQoesw7qF1RTcdrddaPEze7YMMDIjwDeAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T22:58:45.610818Z"},"content_sha256":"298a92d0e638b334482a250fcaf4d79bb8637466adfa507880e54d1e7b5621f7","schema_version":"1.0","event_id":"sha256:298a92d0e638b334482a250fcaf4d79bb8637466adfa507880e54d1e7b5621f7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YJZH74AZD5ADA2Q3544DOGE4PQ/bundle.json","state_url":"https://pith.science/pith/YJZH74AZD5ADA2Q3544DOGE4PQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YJZH74AZD5ADA2Q3544DOGE4PQ/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":"2026-06-02T22:58:45Z","links":{"resolver":"https://pith.science/pith/YJZH74AZD5ADA2Q3544DOGE4PQ","bundle":"https://pith.science/pith/YJZH74AZD5ADA2Q3544DOGE4PQ/bundle.json","state":"https://pith.science/pith/YJZH74AZD5ADA2Q3544DOGE4PQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YJZH74AZD5ADA2Q3544DOGE4PQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:YJZH74AZD5ADA2Q3544DOGE4PQ","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":"0d0dc56a69a97a61f792057b231b7808c4526ec51b795ffe963bb047b2ae2a78","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-12-01T20:24:13Z","title_canon_sha256":"5210ee342c0d3f9afecf42cd074d82af9e0f3bfbc2ff1c942751b4bd4bca719b"},"schema_version":"1.0","source":{"id":"0912.0247","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0912.0247","created_at":"2026-05-18T02:10:35Z"},{"alias_kind":"arxiv_version","alias_value":"0912.0247v1","created_at":"2026-05-18T02:10:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0912.0247","created_at":"2026-05-18T02:10:35Z"},{"alias_kind":"pith_short_12","alias_value":"YJZH74AZD5AD","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_16","alias_value":"YJZH74AZD5ADA2Q3","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_8","alias_value":"YJZH74AZ","created_at":"2026-05-18T12:26:02Z"}],"graph_snapshots":[{"event_id":"sha256:298a92d0e638b334482a250fcaf4d79bb8637466adfa507880e54d1e7b5621f7","target":"graph","created_at":"2026-05-18T02:10:35Z","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 use WIYN High-resolution Infrared Camera (WHIRC) H (1.6 micron) band imaging, archival Spitzer, HST, and GALEX data, simulations and data from the literature to argue for the presence of a strong end-on bar in nearby spiral galaxy NGC 6503. The evidence consists of both photometric and kinematic signatures as well as resonant structures present in the galaxy which are most often associated with bars. These include a central peak followed by a plateau in the surface brightness profile, an extreme decrement in the central stellar velocity dispersion (a sigma-drop), and the presence of an inne","authors_text":"E. Freeland, L. Chomiuk, R. Keenan, T. Nelson","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-12-01T20:24:13Z","title":"Evidence for a Strong End-On Bar in the Ringed Sigma-Drop Galaxy NGC 6503"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0912.0247","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":"sha256:7fcedb9f332af7549a333362b92561f79b94f5d46fd2dde4f7292df7471c2d42","target":"record","created_at":"2026-05-18T02:10:35Z","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":"0d0dc56a69a97a61f792057b231b7808c4526ec51b795ffe963bb047b2ae2a78","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-12-01T20:24:13Z","title_canon_sha256":"5210ee342c0d3f9afecf42cd074d82af9e0f3bfbc2ff1c942751b4bd4bca719b"},"schema_version":"1.0","source":{"id":"0912.0247","kind":"arxiv","version":1}},"canonical_sha256":"c2727ff0191f40306a1bef3837189c7c37d4f57748fe1974ee7da4daddb34185","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c2727ff0191f40306a1bef3837189c7c37d4f57748fe1974ee7da4daddb34185","first_computed_at":"2026-05-18T02:10:35.022816Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:10:35.022816Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SsWNohEOMRpPBZpqAyZScHXOo1lKgQgvT7287OM8tDz8a703o9qaZSpblfDLKkAwQxZKXGsVipgADvt1K01TCg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:10:35.023623Z","signed_message":"canonical_sha256_bytes"},"source_id":"0912.0247","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7fcedb9f332af7549a333362b92561f79b94f5d46fd2dde4f7292df7471c2d42","sha256:298a92d0e638b334482a250fcaf4d79bb8637466adfa507880e54d1e7b5621f7"],"state_sha256":"cebf26bcda82c391ddaca00a3fe3c65161c1d77b05f3229ce9b7eedc47b8c72b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dR5FlnlGKOA3wJqad0rkEmc2q0zcEmDNjzW6cYzbDODkoMZTYwGNGgaI9kYJ9BbP6i05vegNIe0NWO3/6+k/BQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T22:58:45.612751Z","bundle_sha256":"fe2cc92f30e7a3f68cd10ffe51ad8385eb4517f94ad8e98c4274ac8b8d9e325a"}}