{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:QUYM4VBLJYWVPUMKX67FOAWXYX","short_pith_number":"pith:QUYM4VBL","canonical_record":{"source":{"id":"0910.5665","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-10-29T15:49:22Z","cross_cats_sorted":[],"title_canon_sha256":"a52403da59bb4bbd0eb176893ddf268e640819e1b577b16b9de6ce33de1e18e9","abstract_canon_sha256":"86a43d6c6abd2ba3497e99070f25362e6b4e20a7884bb9c5cb7a6d0036e66045"},"schema_version":"1.0"},"canonical_sha256":"8530ce542b4e2d57d18abfbe5702d7c5f6c84ef6cd823538622330dc7fdbcd34","source":{"kind":"arxiv","id":"0910.5665","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0910.5665","created_at":"2026-05-18T02:11:01Z"},{"alias_kind":"arxiv_version","alias_value":"0910.5665v1","created_at":"2026-05-18T02:11:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0910.5665","created_at":"2026-05-18T02:11:01Z"},{"alias_kind":"pith_short_12","alias_value":"QUYM4VBLJYWV","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_16","alias_value":"QUYM4VBLJYWVPUMK","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_8","alias_value":"QUYM4VBL","created_at":"2026-05-18T12:26:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:QUYM4VBLJYWVPUMKX67FOAWXYX","target":"record","payload":{"canonical_record":{"source":{"id":"0910.5665","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-10-29T15:49:22Z","cross_cats_sorted":[],"title_canon_sha256":"a52403da59bb4bbd0eb176893ddf268e640819e1b577b16b9de6ce33de1e18e9","abstract_canon_sha256":"86a43d6c6abd2ba3497e99070f25362e6b4e20a7884bb9c5cb7a6d0036e66045"},"schema_version":"1.0"},"canonical_sha256":"8530ce542b4e2d57d18abfbe5702d7c5f6c84ef6cd823538622330dc7fdbcd34","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:11:01.703147Z","signature_b64":"l7lbXOFcZccSUmeCgHamdYK/LVvGIoc1DOpyGfQZvNTllgqloqL8ALQAtti3seVOkP9TVj6ptYR42SISpTynBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8530ce542b4e2d57d18abfbe5702d7c5f6c84ef6cd823538622330dc7fdbcd34","last_reissued_at":"2026-05-18T02:11:01.702536Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:11:01.702536Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0910.5665","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":"2026-05-18T02:11:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WQJ3fmGygGhoCFepZlgoCeLFDzlATrcy6SXs92xkLSweyjxuxibDo2Dxz5lPu0s/Oybzi7l2haG8N3EYJdCNCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T15:41:37.795253Z"},"content_sha256":"87ca81717d5dc94bd9358a39194bb1decf44a841cb41518f3af4a5483771874f","schema_version":"1.0","event_id":"sha256:87ca81717d5dc94bd9358a39194bb1decf44a841cb41518f3af4a5483771874f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:QUYM4VBLJYWVPUMKX67FOAWXYX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The environmental dependence of the stellar mass-size relation in STAGES galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"(2) Innsbruck, (3) Oxford, (4) HIA, 5), (5) STScI, (6) MPIA, (7) UMKC, (8) ESO), Alfonso Arag\\'on-Salamanca (1), Asmus Boehm (2), Boris Haeussler (1), Chien Y. Peng (4, Christian Wolf (3), Daniel H. McIntosh (7), David T. Maltby (1), Eelco van Kampen (8) ((1) Nottingham, Knud Jahnke (6), Marco Barden (2), Meghan E. Gray (1)","submitted_at":"2009-10-29T15:49:22Z","abstract_excerpt":"We present the stellar mass-size relations for elliptical, lenticular, and spiral galaxies in the field and cluster environments using HST/ACS imaging and data from the Space Telescope A901/2 Galaxy Evolution Survey (STAGES). We use a large sample of ~1200 field and cluster galaxies, and a sub-sample of cluster core galaxies, and quantify the significance of any putative environmental dependence on the stellar mass-size relation. For elliptical, lenticular, and high-mass (log M*/M_sun > 10) spiral galaxies we find no evidence to suggest any such environmental dependence, implying that internal"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.5665","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":"2026-05-18T02:11:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vk1nOZ59ltErpXnMhtf0BJisTlQfBqq0OixGPiQyIhiz6vUN9vbk1eJGnLFufe0fsE4DFqSh9sp4MHGBlHMTDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T15:41:37.795838Z"},"content_sha256":"234529f6e0e3c56055459ea4126f4feba03221cc8ffd775d992d99652bf17203","schema_version":"1.0","event_id":"sha256:234529f6e0e3c56055459ea4126f4feba03221cc8ffd775d992d99652bf17203"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QUYM4VBLJYWVPUMKX67FOAWXYX/bundle.json","state_url":"https://pith.science/pith/QUYM4VBLJYWVPUMKX67FOAWXYX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QUYM4VBLJYWVPUMKX67FOAWXYX/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":"2026-06-01T15:41:37Z","links":{"resolver":"https://pith.science/pith/QUYM4VBLJYWVPUMKX67FOAWXYX","bundle":"https://pith.science/pith/QUYM4VBLJYWVPUMKX67FOAWXYX/bundle.json","state":"https://pith.science/pith/QUYM4VBLJYWVPUMKX67FOAWXYX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QUYM4VBLJYWVPUMKX67FOAWXYX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:QUYM4VBLJYWVPUMKX67FOAWXYX","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":"86a43d6c6abd2ba3497e99070f25362e6b4e20a7884bb9c5cb7a6d0036e66045","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-10-29T15:49:22Z","title_canon_sha256":"a52403da59bb4bbd0eb176893ddf268e640819e1b577b16b9de6ce33de1e18e9"},"schema_version":"1.0","source":{"id":"0910.5665","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0910.5665","created_at":"2026-05-18T02:11:01Z"},{"alias_kind":"arxiv_version","alias_value":"0910.5665v1","created_at":"2026-05-18T02:11:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0910.5665","created_at":"2026-05-18T02:11:01Z"},{"alias_kind":"pith_short_12","alias_value":"QUYM4VBLJYWV","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_16","alias_value":"QUYM4VBLJYWVPUMK","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_8","alias_value":"QUYM4VBL","created_at":"2026-05-18T12:26:01Z"}],"graph_snapshots":[{"event_id":"sha256:234529f6e0e3c56055459ea4126f4feba03221cc8ffd775d992d99652bf17203","target":"graph","created_at":"2026-05-18T02:11:01Z","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 the stellar mass-size relations for elliptical, lenticular, and spiral galaxies in the field and cluster environments using HST/ACS imaging and data from the Space Telescope A901/2 Galaxy Evolution Survey (STAGES). We use a large sample of ~1200 field and cluster galaxies, and a sub-sample of cluster core galaxies, and quantify the significance of any putative environmental dependence on the stellar mass-size relation. For elliptical, lenticular, and high-mass (log M*/M_sun > 10) spiral galaxies we find no evidence to suggest any such environmental dependence, implying that internal","authors_text":"(2) Innsbruck, (3) Oxford, (4) HIA, 5), (5) STScI, (6) MPIA, (7) UMKC, (8) ESO), Alfonso Arag\\'on-Salamanca (1), Asmus Boehm (2), Boris Haeussler (1), Chien Y. Peng (4, Christian Wolf (3), Daniel H. McIntosh (7), David T. Maltby (1), Eelco van Kampen (8) ((1) Nottingham, Knud Jahnke (6), Marco Barden (2), Meghan E. Gray (1)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-10-29T15:49:22Z","title":"The environmental dependence of the stellar mass-size relation in STAGES galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.5665","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":"sha256:87ca81717d5dc94bd9358a39194bb1decf44a841cb41518f3af4a5483771874f","target":"record","created_at":"2026-05-18T02:11:01Z","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":"86a43d6c6abd2ba3497e99070f25362e6b4e20a7884bb9c5cb7a6d0036e66045","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-10-29T15:49:22Z","title_canon_sha256":"a52403da59bb4bbd0eb176893ddf268e640819e1b577b16b9de6ce33de1e18e9"},"schema_version":"1.0","source":{"id":"0910.5665","kind":"arxiv","version":1}},"canonical_sha256":"8530ce542b4e2d57d18abfbe5702d7c5f6c84ef6cd823538622330dc7fdbcd34","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8530ce542b4e2d57d18abfbe5702d7c5f6c84ef6cd823538622330dc7fdbcd34","first_computed_at":"2026-05-18T02:11:01.702536Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:11:01.702536Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"l7lbXOFcZccSUmeCgHamdYK/LVvGIoc1DOpyGfQZvNTllgqloqL8ALQAtti3seVOkP9TVj6ptYR42SISpTynBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:11:01.703147Z","signed_message":"canonical_sha256_bytes"},"source_id":"0910.5665","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:87ca81717d5dc94bd9358a39194bb1decf44a841cb41518f3af4a5483771874f","sha256:234529f6e0e3c56055459ea4126f4feba03221cc8ffd775d992d99652bf17203"],"state_sha256":"16703c6884933fdcd7cf2855bf807c205378b883bbfe000e4b4b03b2d2fdb354"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Pnaewj1sHt+upr8FgNBQAVNmHpyULJsvtHrkt1m+VqfyBENHiJiVuh9RBSJ1P7Z038Nt7drGjCSucQ/JiJKHBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T15:41:37.798077Z","bundle_sha256":"37c467a6b944d91671ea8cebf8b91f29666f06024ad0801cfce0ed499075fb7f"}}