{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:IKW3DEWUERM2EEPNOF3SQB5SDI","short_pith_number":"pith:IKW3DEWU","canonical_record":{"source":{"id":"1101.2368","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-01-12T14:24:14Z","cross_cats_sorted":[],"title_canon_sha256":"702c92834b33e57c70780e97a41a16d1295fcd8ffc9d05d267eb7a17afc557ee","abstract_canon_sha256":"585c2bee8b6cc7056e8dacf44c6a0020b4d13c0e7c2297249e13a3f2ca7a5a6c"},"schema_version":"1.0"},"canonical_sha256":"42adb192d42459a211ed71772807b21a2b2039cccab4678bcac14acf88700023","source":{"kind":"arxiv","id":"1101.2368","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1101.2368","created_at":"2026-05-18T02:03:40Z"},{"alias_kind":"arxiv_version","alias_value":"1101.2368v1","created_at":"2026-05-18T02:03:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1101.2368","created_at":"2026-05-18T02:03:40Z"},{"alias_kind":"pith_short_12","alias_value":"IKW3DEWUERM2","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_16","alias_value":"IKW3DEWUERM2EEPN","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_8","alias_value":"IKW3DEWU","created_at":"2026-05-18T12:26:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:IKW3DEWUERM2EEPNOF3SQB5SDI","target":"record","payload":{"canonical_record":{"source":{"id":"1101.2368","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-01-12T14:24:14Z","cross_cats_sorted":[],"title_canon_sha256":"702c92834b33e57c70780e97a41a16d1295fcd8ffc9d05d267eb7a17afc557ee","abstract_canon_sha256":"585c2bee8b6cc7056e8dacf44c6a0020b4d13c0e7c2297249e13a3f2ca7a5a6c"},"schema_version":"1.0"},"canonical_sha256":"42adb192d42459a211ed71772807b21a2b2039cccab4678bcac14acf88700023","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:03:40.918340Z","signature_b64":"fVXhK9nlkWIZJJKAUjFDNUKCnzfBI7cHg/o1zns5bmufFfG1cU88xp45JTMxJ0BDiiOMJ8RAm3ebxMM4JjhCAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"42adb192d42459a211ed71772807b21a2b2039cccab4678bcac14acf88700023","last_reissued_at":"2026-05-18T02:03:40.917816Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:03:40.917816Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1101.2368","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":"2026-05-18T02:03:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"711+jlbLLgzbvQuvEpXKGXkdt9PZS2Q4diADDeG7akZs7tU6n/2icro3zj505J5qPikDjvg9NzjVQPYPZt4PAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T12:43:12.977071Z"},"content_sha256":"b31bc50ddf9a5aeb53059c906eaee17911d79726a7bf61553c8c3ccc0fe94222","schema_version":"1.0","event_id":"sha256:b31bc50ddf9a5aeb53059c906eaee17911d79726a7bf61553c8c3ccc0fe94222"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:IKW3DEWUERM2EEPNOF3SQB5SDI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"HST/NICMOS Imaging of Bright High-Redshift 24{\\mu}m-selected Galaxies: Merging Properties","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Anna Sajina, George Helou, Jason Surace, Kalliopi Dasyra, Lin Yan, Michel Zamojski, Tim Heckman","submitted_at":"2011-01-12T14:24:14Z","abstract_excerpt":"We present new results on the physical nature of infrared-luminous sources at 0.5<z<2.8 as revealed by HST/NICMOS imaging and IRS mid-infrared spectroscopy. Our sample consists of 134 galaxies selected at 24\\mum with a flux of S(24\\mum) > 0.9 mJy. We find many (~60%) of our sources to possess an important bulge and/or central point source component, most of which reveal additional underlying structures after subtraction of a best-fit sersic (or sersic+PSF) profile. Based on visual inspection of the NIC2 images and their residuals, we estimate that ~80% of all our sources are mergers. We calcul"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1101.2368","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":"2026-05-18T02:03:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ea4ZFKTkB8ginO9ttbf9cSQlwPFm7m4Ecbd/9spAPLWezZ2MpfUDNpqLYl6a4OO7vQQouHtL28rclHtUgyKPDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T12:43:12.977556Z"},"content_sha256":"9f5388a9f383fd63c9f1fd940e60d1633807ad0d41e76966d22bccad3b5bb72d","schema_version":"1.0","event_id":"sha256:9f5388a9f383fd63c9f1fd940e60d1633807ad0d41e76966d22bccad3b5bb72d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IKW3DEWUERM2EEPNOF3SQB5SDI/bundle.json","state_url":"https://pith.science/pith/IKW3DEWUERM2EEPNOF3SQB5SDI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IKW3DEWUERM2EEPNOF3SQB5SDI/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":"2026-05-26T12:43:12Z","links":{"resolver":"https://pith.science/pith/IKW3DEWUERM2EEPNOF3SQB5SDI","bundle":"https://pith.science/pith/IKW3DEWUERM2EEPNOF3SQB5SDI/bundle.json","state":"https://pith.science/pith/IKW3DEWUERM2EEPNOF3SQB5SDI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IKW3DEWUERM2EEPNOF3SQB5SDI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:IKW3DEWUERM2EEPNOF3SQB5SDI","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":"585c2bee8b6cc7056e8dacf44c6a0020b4d13c0e7c2297249e13a3f2ca7a5a6c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-01-12T14:24:14Z","title_canon_sha256":"702c92834b33e57c70780e97a41a16d1295fcd8ffc9d05d267eb7a17afc557ee"},"schema_version":"1.0","source":{"id":"1101.2368","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1101.2368","created_at":"2026-05-18T02:03:40Z"},{"alias_kind":"arxiv_version","alias_value":"1101.2368v1","created_at":"2026-05-18T02:03:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1101.2368","created_at":"2026-05-18T02:03:40Z"},{"alias_kind":"pith_short_12","alias_value":"IKW3DEWUERM2","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_16","alias_value":"IKW3DEWUERM2EEPN","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_8","alias_value":"IKW3DEWU","created_at":"2026-05-18T12:26:30Z"}],"graph_snapshots":[{"event_id":"sha256:9f5388a9f383fd63c9f1fd940e60d1633807ad0d41e76966d22bccad3b5bb72d","target":"graph","created_at":"2026-05-18T02:03:40Z","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 new results on the physical nature of infrared-luminous sources at 0.5<z<2.8 as revealed by HST/NICMOS imaging and IRS mid-infrared spectroscopy. Our sample consists of 134 galaxies selected at 24\\mum with a flux of S(24\\mum) > 0.9 mJy. We find many (~60%) of our sources to possess an important bulge and/or central point source component, most of which reveal additional underlying structures after subtraction of a best-fit sersic (or sersic+PSF) profile. Based on visual inspection of the NIC2 images and their residuals, we estimate that ~80% of all our sources are mergers. We calcul","authors_text":"Anna Sajina, George Helou, Jason Surace, Kalliopi Dasyra, Lin Yan, Michel Zamojski, Tim Heckman","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-01-12T14:24:14Z","title":"HST/NICMOS Imaging of Bright High-Redshift 24{\\mu}m-selected Galaxies: Merging Properties"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1101.2368","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:b31bc50ddf9a5aeb53059c906eaee17911d79726a7bf61553c8c3ccc0fe94222","target":"record","created_at":"2026-05-18T02:03:40Z","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":"585c2bee8b6cc7056e8dacf44c6a0020b4d13c0e7c2297249e13a3f2ca7a5a6c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-01-12T14:24:14Z","title_canon_sha256":"702c92834b33e57c70780e97a41a16d1295fcd8ffc9d05d267eb7a17afc557ee"},"schema_version":"1.0","source":{"id":"1101.2368","kind":"arxiv","version":1}},"canonical_sha256":"42adb192d42459a211ed71772807b21a2b2039cccab4678bcac14acf88700023","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"42adb192d42459a211ed71772807b21a2b2039cccab4678bcac14acf88700023","first_computed_at":"2026-05-18T02:03:40.917816Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:03:40.917816Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fVXhK9nlkWIZJJKAUjFDNUKCnzfBI7cHg/o1zns5bmufFfG1cU88xp45JTMxJ0BDiiOMJ8RAm3ebxMM4JjhCAg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:03:40.918340Z","signed_message":"canonical_sha256_bytes"},"source_id":"1101.2368","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b31bc50ddf9a5aeb53059c906eaee17911d79726a7bf61553c8c3ccc0fe94222","sha256:9f5388a9f383fd63c9f1fd940e60d1633807ad0d41e76966d22bccad3b5bb72d"],"state_sha256":"c4810986ecaa3050f5465f452228d48a308c95227f4efab20773424beb2ee835"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1NIpQbk9IaOHSXGBBBhZEntGPmlGgKOI8cxNRDLGREl1jQCVnsXzmu1Dk4ESt3lkufrGj6yY2lTeeFW+8jSfCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T12:43:12.979878Z","bundle_sha256":"5358fc1ab1a386e93072d6d5e9334ff41fcf68600d7fc112f53c2f4860031a45"}}