{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:HM6VXXU35I4MRZJU2XQPBD3WJ6","short_pith_number":"pith:HM6VXXU3","canonical_record":{"source":{"id":"1307.6559","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-07-24T20:00:02Z","cross_cats_sorted":[],"title_canon_sha256":"4ed7e482c51d0cd0497f8a3847cd2d9acc0683a096f0b3c9793ae604f9a8b424","abstract_canon_sha256":"fe26e44bedc4e8a186f02731b150bc89a1fa7cac39642a205cc654ccbb27ae64"},"schema_version":"1.0"},"canonical_sha256":"3b3d5bde9bea38c8e534d5e0f08f764f91def336ab3d3a27b4e902f692852422","source":{"kind":"arxiv","id":"1307.6559","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1307.6559","created_at":"2026-05-18T01:48:40Z"},{"alias_kind":"arxiv_version","alias_value":"1307.6559v1","created_at":"2026-05-18T01:48:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1307.6559","created_at":"2026-05-18T01:48:40Z"},{"alias_kind":"pith_short_12","alias_value":"HM6VXXU35I4M","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_16","alias_value":"HM6VXXU35I4MRZJU","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_8","alias_value":"HM6VXXU3","created_at":"2026-05-18T12:27:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:HM6VXXU35I4MRZJU2XQPBD3WJ6","target":"record","payload":{"canonical_record":{"source":{"id":"1307.6559","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-07-24T20:00:02Z","cross_cats_sorted":[],"title_canon_sha256":"4ed7e482c51d0cd0497f8a3847cd2d9acc0683a096f0b3c9793ae604f9a8b424","abstract_canon_sha256":"fe26e44bedc4e8a186f02731b150bc89a1fa7cac39642a205cc654ccbb27ae64"},"schema_version":"1.0"},"canonical_sha256":"3b3d5bde9bea38c8e534d5e0f08f764f91def336ab3d3a27b4e902f692852422","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:48:40.479015Z","signature_b64":"lWH4xsZCVXiA2fWLRrtae8xdGF30S5IVxttD+cUi62jGW/YO9GVroF9j8Q8mDVnnKGY2wVavazdCXjnGEBhDDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3b3d5bde9bea38c8e534d5e0f08f764f91def336ab3d3a27b4e902f692852422","last_reissued_at":"2026-05-18T01:48:40.478496Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:48:40.478496Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1307.6559","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":"2026-05-18T01:48:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sM5LZ3tKvXbEou2muCdh6UQqpMC3788FVb+pLoFkHNI5nGk/EhPW1/K6X6vVBWUEJacJ/Gn2F9fSBAuPQN0bCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T16:30:15.712510Z"},"content_sha256":"df7575ba78888747082cd3faef253c11d58a76e16e3f11ff1e4a78ceded9bbf9","schema_version":"1.0","event_id":"sha256:df7575ba78888747082cd3faef253c11d58a76e16e3f11ff1e4a78ceded9bbf9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:HM6VXXU35I4MRZJU2XQPBD3WJ6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Optical Green Valley vs Mid-IR Canyon in Compact Groups","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Ann E. Hornschemeier, Ann Zabludoff, Catherine Zucker, Iraklis Konstantopoulos, Jane C. Charlton, Kelsey Johnson, Lisa May Walker, Natalie Butterfield, Panayiotis Tzanavaris, Sarah Gallagher","submitted_at":"2013-07-24T20:00:02Z","abstract_excerpt":"Compact groups of galaxies provide conditions similar to those experienced by galaxies in the earlier universe. Recent work on compact groups has led to the discovery of a dearth of mid-infrared transition galaxies (MIRTGs) in IRAC (3.6 - 8.0 micron) color space (Johnson et al. 2007; Walker et al. 2012) as well as at intermediate specific star formation rates (Tzanavaris et al. 2010). However, we find that in compact groups these mid-infrared (mid-IR) transition galaxies in the mid-infrared dearth have already transitioned to the optical ([g-r]) red sequence. We investigate the optical color-m"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.6559","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":"2026-05-18T01:48:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TazsmgSeWGH8xK8oCNkYvc4E+UvOvpONrym4rTniljzw6ygPYqgcTgRGJH/l65ionItlA6HkteBd/VncMIzPDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T16:30:15.713148Z"},"content_sha256":"311c743f5a193406e452338a42bf8ee6d8d1b53231379f73c4f6183a8736e6ae","schema_version":"1.0","event_id":"sha256:311c743f5a193406e452338a42bf8ee6d8d1b53231379f73c4f6183a8736e6ae"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HM6VXXU35I4MRZJU2XQPBD3WJ6/bundle.json","state_url":"https://pith.science/pith/HM6VXXU35I4MRZJU2XQPBD3WJ6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HM6VXXU35I4MRZJU2XQPBD3WJ6/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":"2026-06-05T16:30:15Z","links":{"resolver":"https://pith.science/pith/HM6VXXU35I4MRZJU2XQPBD3WJ6","bundle":"https://pith.science/pith/HM6VXXU35I4MRZJU2XQPBD3WJ6/bundle.json","state":"https://pith.science/pith/HM6VXXU35I4MRZJU2XQPBD3WJ6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HM6VXXU35I4MRZJU2XQPBD3WJ6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:HM6VXXU35I4MRZJU2XQPBD3WJ6","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":"fe26e44bedc4e8a186f02731b150bc89a1fa7cac39642a205cc654ccbb27ae64","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-07-24T20:00:02Z","title_canon_sha256":"4ed7e482c51d0cd0497f8a3847cd2d9acc0683a096f0b3c9793ae604f9a8b424"},"schema_version":"1.0","source":{"id":"1307.6559","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1307.6559","created_at":"2026-05-18T01:48:40Z"},{"alias_kind":"arxiv_version","alias_value":"1307.6559v1","created_at":"2026-05-18T01:48:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1307.6559","created_at":"2026-05-18T01:48:40Z"},{"alias_kind":"pith_short_12","alias_value":"HM6VXXU35I4M","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_16","alias_value":"HM6VXXU35I4MRZJU","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_8","alias_value":"HM6VXXU3","created_at":"2026-05-18T12:27:46Z"}],"graph_snapshots":[{"event_id":"sha256:311c743f5a193406e452338a42bf8ee6d8d1b53231379f73c4f6183a8736e6ae","target":"graph","created_at":"2026-05-18T01:48:40Z","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":"Compact groups of galaxies provide conditions similar to those experienced by galaxies in the earlier universe. Recent work on compact groups has led to the discovery of a dearth of mid-infrared transition galaxies (MIRTGs) in IRAC (3.6 - 8.0 micron) color space (Johnson et al. 2007; Walker et al. 2012) as well as at intermediate specific star formation rates (Tzanavaris et al. 2010). However, we find that in compact groups these mid-infrared (mid-IR) transition galaxies in the mid-infrared dearth have already transitioned to the optical ([g-r]) red sequence. We investigate the optical color-m","authors_text":"Ann E. Hornschemeier, Ann Zabludoff, Catherine Zucker, Iraklis Konstantopoulos, Jane C. Charlton, Kelsey Johnson, Lisa May Walker, Natalie Butterfield, Panayiotis Tzanavaris, Sarah Gallagher","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-07-24T20:00:02Z","title":"The Optical Green Valley vs Mid-IR Canyon in Compact Groups"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.6559","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:df7575ba78888747082cd3faef253c11d58a76e16e3f11ff1e4a78ceded9bbf9","target":"record","created_at":"2026-05-18T01:48:40Z","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":"fe26e44bedc4e8a186f02731b150bc89a1fa7cac39642a205cc654ccbb27ae64","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-07-24T20:00:02Z","title_canon_sha256":"4ed7e482c51d0cd0497f8a3847cd2d9acc0683a096f0b3c9793ae604f9a8b424"},"schema_version":"1.0","source":{"id":"1307.6559","kind":"arxiv","version":1}},"canonical_sha256":"3b3d5bde9bea38c8e534d5e0f08f764f91def336ab3d3a27b4e902f692852422","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3b3d5bde9bea38c8e534d5e0f08f764f91def336ab3d3a27b4e902f692852422","first_computed_at":"2026-05-18T01:48:40.478496Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:48:40.478496Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"lWH4xsZCVXiA2fWLRrtae8xdGF30S5IVxttD+cUi62jGW/YO9GVroF9j8Q8mDVnnKGY2wVavazdCXjnGEBhDDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:48:40.479015Z","signed_message":"canonical_sha256_bytes"},"source_id":"1307.6559","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:df7575ba78888747082cd3faef253c11d58a76e16e3f11ff1e4a78ceded9bbf9","sha256:311c743f5a193406e452338a42bf8ee6d8d1b53231379f73c4f6183a8736e6ae"],"state_sha256":"6bd512a90b2f32a7f249bf622ecf1a1a69922f2fd0355144782713dba8edae9e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xR/ye4Riy0pa4bVDqurgBaNWjGWvAUistYsdG+JplPEnJ7KuTaN844t+d6l1NEWinY1gMboP1QFmrPy/QwkkCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T16:30:15.715452Z","bundle_sha256":"eb9fd54a3ef59f139b7da779480f9815d3369d3723d712fc1364e3f9b8ef3f75"}}