{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:SNAKQBCQ2YZERE62QFD4I6HID5","short_pith_number":"pith:SNAKQBCQ","canonical_record":{"source":{"id":"1212.3504","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-12-14T15:44:42Z","cross_cats_sorted":[],"title_canon_sha256":"133c6563a69a2fb0c4bd7b2cc13fbe7cee81f895090e435dc048cf85b03de292","abstract_canon_sha256":"6f66539df3bd6797a29d9d2046631daae3660f9e70a9f6017df8b69fdc8a72ec"},"schema_version":"1.0"},"canonical_sha256":"9340a80450d6324893da8147c478e81f45d4505c6e9d5ab1dc54470b33a58017","source":{"kind":"arxiv","id":"1212.3504","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.3504","created_at":"2026-05-18T03:38:24Z"},{"alias_kind":"arxiv_version","alias_value":"1212.3504v1","created_at":"2026-05-18T03:38:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.3504","created_at":"2026-05-18T03:38:24Z"},{"alias_kind":"pith_short_12","alias_value":"SNAKQBCQ2YZE","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_16","alias_value":"SNAKQBCQ2YZERE62","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_8","alias_value":"SNAKQBCQ","created_at":"2026-05-18T12:27:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:SNAKQBCQ2YZERE62QFD4I6HID5","target":"record","payload":{"canonical_record":{"source":{"id":"1212.3504","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-12-14T15:44:42Z","cross_cats_sorted":[],"title_canon_sha256":"133c6563a69a2fb0c4bd7b2cc13fbe7cee81f895090e435dc048cf85b03de292","abstract_canon_sha256":"6f66539df3bd6797a29d9d2046631daae3660f9e70a9f6017df8b69fdc8a72ec"},"schema_version":"1.0"},"canonical_sha256":"9340a80450d6324893da8147c478e81f45d4505c6e9d5ab1dc54470b33a58017","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:38:24.446370Z","signature_b64":"mWUoyYuCTMDEYMWN+JB3Hz+zYFK/yKwRuKn1vDF4qx7JlBZYNyWIN5mCvEmAznZHO79UvECW3jiVdVjuPutADg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9340a80450d6324893da8147c478e81f45d4505c6e9d5ab1dc54470b33a58017","last_reissued_at":"2026-05-18T03:38:24.445700Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:38:24.445700Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1212.3504","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":"2026-05-18T03:38:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bXUK0wt01qyv25HwrE+BhjiDKtsGtGJLHf7K3dF3tx+WC0LO74mVDLvakDKFHOUFImSXHxkPsB40jFmG5VqjDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T20:25:42.786431Z"},"content_sha256":"525a49bc4c80ee8a7b99a308dae3c3887dcbd9986d4cc0e22436176fc90a85cf","schema_version":"1.0","event_id":"sha256:525a49bc4c80ee8a7b99a308dae3c3887dcbd9986d4cc0e22436176fc90a85cf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:SNAKQBCQ2YZERE62QFD4I6HID5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Evolution of Massive Galaxy Structural Properties and Sizes via Star Formation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Alice Mortlock, Christopher J. Conselice, Fernando Buitrago, Jamie R. Ownsworth, William G. Hartley","submitted_at":"2012-12-14T15:44:42Z","abstract_excerpt":"We investigate the resolved star formation properties of a sample of 45 massive galaxies (M_*>10^11M_solar) within a redshift range of 1.5 < z < 3 detected in the GOODS NICMOS Survey (Conselice et al. 2011), a HST H-band imaging program. We derive the star formation rate as a function of radius using rest frame UV data from deep z_{850} ACS imaging. The star formation present at high redshift is then extrapolated to z=0, and we examine the stellar mass produced in individual regions within each galaxy. We also construct new stellar mass profiles of the in-situ stellar mass at high redshift fro"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.3504","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":"2026-05-18T03:38:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jkYHQif9qzgkwOyhgi+NdAq3bz4co6Ji0+QBg8adZ9y+BjQ/JGXTc3SNEazGgvdlJHBY97AGCcQwbXFnbxs0Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T20:25:42.787128Z"},"content_sha256":"9edf3a24ad51cc9c4d6507f171d7d1a1ee36dbd493b078bd133fe1ac4aced722","schema_version":"1.0","event_id":"sha256:9edf3a24ad51cc9c4d6507f171d7d1a1ee36dbd493b078bd133fe1ac4aced722"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SNAKQBCQ2YZERE62QFD4I6HID5/bundle.json","state_url":"https://pith.science/pith/SNAKQBCQ2YZERE62QFD4I6HID5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SNAKQBCQ2YZERE62QFD4I6HID5/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":"2026-05-31T20:25:42Z","links":{"resolver":"https://pith.science/pith/SNAKQBCQ2YZERE62QFD4I6HID5","bundle":"https://pith.science/pith/SNAKQBCQ2YZERE62QFD4I6HID5/bundle.json","state":"https://pith.science/pith/SNAKQBCQ2YZERE62QFD4I6HID5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SNAKQBCQ2YZERE62QFD4I6HID5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:SNAKQBCQ2YZERE62QFD4I6HID5","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":"6f66539df3bd6797a29d9d2046631daae3660f9e70a9f6017df8b69fdc8a72ec","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-12-14T15:44:42Z","title_canon_sha256":"133c6563a69a2fb0c4bd7b2cc13fbe7cee81f895090e435dc048cf85b03de292"},"schema_version":"1.0","source":{"id":"1212.3504","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.3504","created_at":"2026-05-18T03:38:24Z"},{"alias_kind":"arxiv_version","alias_value":"1212.3504v1","created_at":"2026-05-18T03:38:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.3504","created_at":"2026-05-18T03:38:24Z"},{"alias_kind":"pith_short_12","alias_value":"SNAKQBCQ2YZE","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_16","alias_value":"SNAKQBCQ2YZERE62","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_8","alias_value":"SNAKQBCQ","created_at":"2026-05-18T12:27:20Z"}],"graph_snapshots":[{"event_id":"sha256:9edf3a24ad51cc9c4d6507f171d7d1a1ee36dbd493b078bd133fe1ac4aced722","target":"graph","created_at":"2026-05-18T03:38:24Z","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 investigate the resolved star formation properties of a sample of 45 massive galaxies (M_*>10^11M_solar) within a redshift range of 1.5 < z < 3 detected in the GOODS NICMOS Survey (Conselice et al. 2011), a HST H-band imaging program. We derive the star formation rate as a function of radius using rest frame UV data from deep z_{850} ACS imaging. The star formation present at high redshift is then extrapolated to z=0, and we examine the stellar mass produced in individual regions within each galaxy. We also construct new stellar mass profiles of the in-situ stellar mass at high redshift fro","authors_text":"Alice Mortlock, Christopher J. Conselice, Fernando Buitrago, Jamie R. Ownsworth, William G. Hartley","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-12-14T15:44:42Z","title":"Evolution of Massive Galaxy Structural Properties and Sizes via Star Formation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.3504","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":"sha256:525a49bc4c80ee8a7b99a308dae3c3887dcbd9986d4cc0e22436176fc90a85cf","target":"record","created_at":"2026-05-18T03:38:24Z","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":"6f66539df3bd6797a29d9d2046631daae3660f9e70a9f6017df8b69fdc8a72ec","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-12-14T15:44:42Z","title_canon_sha256":"133c6563a69a2fb0c4bd7b2cc13fbe7cee81f895090e435dc048cf85b03de292"},"schema_version":"1.0","source":{"id":"1212.3504","kind":"arxiv","version":1}},"canonical_sha256":"9340a80450d6324893da8147c478e81f45d4505c6e9d5ab1dc54470b33a58017","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9340a80450d6324893da8147c478e81f45d4505c6e9d5ab1dc54470b33a58017","first_computed_at":"2026-05-18T03:38:24.445700Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:38:24.445700Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mWUoyYuCTMDEYMWN+JB3Hz+zYFK/yKwRuKn1vDF4qx7JlBZYNyWIN5mCvEmAznZHO79UvECW3jiVdVjuPutADg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:38:24.446370Z","signed_message":"canonical_sha256_bytes"},"source_id":"1212.3504","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:525a49bc4c80ee8a7b99a308dae3c3887dcbd9986d4cc0e22436176fc90a85cf","sha256:9edf3a24ad51cc9c4d6507f171d7d1a1ee36dbd493b078bd133fe1ac4aced722"],"state_sha256":"d3c2323c6b51e6e893b3279981a1ddcc95c2343a843d6b21f908b06830948fd5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"d35Nj+pBMnMcwKB2Y73w1lNy2RTqTfzgGGXl3rTaLMNZogtx8L8xHuEnKQmicPn6bkt1/hEs1Tsv/NgiWD2CDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T20:25:42.791231Z","bundle_sha256":"7cffe039113403d21be020f7dafe1007b8f85485c5d128a2ac71fcf7427b9bee"}}