{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2006:5Q7NHCTZZPQI56P2AO6JGOMRQ3","short_pith_number":"pith:5Q7NHCTZ","canonical_record":{"source":{"id":"astro-ph/0605370","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-05-15T20:00:41Z","cross_cats_sorted":[],"title_canon_sha256":"2084423b7dc8b05f1b44ca38f103cde1f7a99fe1128f5402d469be3c94496fc1","abstract_canon_sha256":"8c91753f44e0b5d1535a07030c8cbad5262e9d2934a2bb49f1ff21d12926fc6d"},"schema_version":"1.0"},"canonical_sha256":"ec3ed38a79cbe08ef9fa03bc93399186d586550a214ebeb5b22bc1d3cf993f14","source":{"kind":"arxiv","id":"astro-ph/0605370","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0605370","created_at":"2026-07-04T16:58:44Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0605370v1","created_at":"2026-07-04T16:58:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0605370","created_at":"2026-07-04T16:58:44Z"},{"alias_kind":"pith_short_12","alias_value":"5Q7NHCTZZPQI","created_at":"2026-07-04T16:58:44Z"},{"alias_kind":"pith_short_16","alias_value":"5Q7NHCTZZPQI56P2","created_at":"2026-07-04T16:58:44Z"},{"alias_kind":"pith_short_8","alias_value":"5Q7NHCTZ","created_at":"2026-07-04T16:58:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2006:5Q7NHCTZZPQI56P2AO6JGOMRQ3","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0605370","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-05-15T20:00:41Z","cross_cats_sorted":[],"title_canon_sha256":"2084423b7dc8b05f1b44ca38f103cde1f7a99fe1128f5402d469be3c94496fc1","abstract_canon_sha256":"8c91753f44e0b5d1535a07030c8cbad5262e9d2934a2bb49f1ff21d12926fc6d"},"schema_version":"1.0"},"canonical_sha256":"ec3ed38a79cbe08ef9fa03bc93399186d586550a214ebeb5b22bc1d3cf993f14","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:58:44.339680Z","signature_b64":"5wrYJsTFsSD6SVuK0e8qkrblkIMFaCPnJP+30uFN1wZl/JSYClrmfyTcnx0JJKLSQjjY/dW9mVI6R8jwQcR6CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ec3ed38a79cbe08ef9fa03bc93399186d586550a214ebeb5b22bc1d3cf993f14","last_reissued_at":"2026-07-04T16:58:44.339232Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:58:44.339232Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0605370","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":"2026-07-04T16:58:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z8HvO4i5mOK0t2Wm3I7Q8SRSJEmUC5ekRQrStT/Jn136F/XBfKken0i8z2vkU8QBP3JJWJRpmwN+QiKHi6qBBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T00:31:11.962803Z"},"content_sha256":"f9fbda782f92c0339a6a78ea28f6f972e270b1b670e6f1270c4b99265e2a89d1","schema_version":"1.0","event_id":"sha256:f9fbda782f92c0339a6a78ea28f6f972e270b1b670e6f1270c4b99265e2a89d1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2006:5Q7NHCTZZPQI56P2AO6JGOMRQ3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The DEEP Groth Strip Survey VI. Spectroscopic, Variability, and X-ray Detection of AGN","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Andrew C. Phillips, Christopher N. A. Willmer, David C. Koo, Elise Laird, Henry A. Kobulnicky, Karl Gebhardt, Myungshin Im, Nicole P. Vogt, Sarah Iverson, Vicki L. Sarajedini, Wanessa Mattos","submitted_at":"2006-05-15T20:00:41Z","abstract_excerpt":"We identify active galactic nuclei (AGN) in the Groth-Westphal Survey Strip (GSS) using the independent and complementary selection techniques of optical spectroscopy and photometric variability. We discuss the X-ray properties of these AGN using Chandra/XMM data for this region. From a sample of 576 galaxies with high quality spectra we identify 31 galaxies with AGN signatures. Seven of these have broad emission lines (Type 1 AGNs). We also identify 26 galaxies displaying nuclear variability in HST WFPC2 images of the GSS separated by ~7 years. The primary overlap of the two selected AGN samp"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0605370","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/astro-ph/0605370/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T16:58:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ng8ui5jvxVSNQcQoFoM2MV3uxe+F+XeVQlG2yM14p8+syRXsU34nvjlniwZV7pMSe/0KDgX0qf9asOJgiqHrDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T00:31:11.963730Z"},"content_sha256":"fade89cff1a2c31be54bafbbb34eccdf1dbaf70cc26eeb1ac9c2b3355cb01a4e","schema_version":"1.0","event_id":"sha256:fade89cff1a2c31be54bafbbb34eccdf1dbaf70cc26eeb1ac9c2b3355cb01a4e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5Q7NHCTZZPQI56P2AO6JGOMRQ3/bundle.json","state_url":"https://pith.science/pith/5Q7NHCTZZPQI56P2AO6JGOMRQ3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5Q7NHCTZZPQI56P2AO6JGOMRQ3/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":"2026-08-11T00:31:11Z","links":{"resolver":"https://pith.science/pith/5Q7NHCTZZPQI56P2AO6JGOMRQ3","bundle":"https://pith.science/pith/5Q7NHCTZZPQI56P2AO6JGOMRQ3/bundle.json","state":"https://pith.science/pith/5Q7NHCTZZPQI56P2AO6JGOMRQ3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5Q7NHCTZZPQI56P2AO6JGOMRQ3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:5Q7NHCTZZPQI56P2AO6JGOMRQ3","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":"8c91753f44e0b5d1535a07030c8cbad5262e9d2934a2bb49f1ff21d12926fc6d","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2006-05-15T20:00:41Z","title_canon_sha256":"2084423b7dc8b05f1b44ca38f103cde1f7a99fe1128f5402d469be3c94496fc1"},"schema_version":"1.0","source":{"id":"astro-ph/0605370","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0605370","created_at":"2026-07-04T16:58:44Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0605370v1","created_at":"2026-07-04T16:58:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0605370","created_at":"2026-07-04T16:58:44Z"},{"alias_kind":"pith_short_12","alias_value":"5Q7NHCTZZPQI","created_at":"2026-07-04T16:58:44Z"},{"alias_kind":"pith_short_16","alias_value":"5Q7NHCTZZPQI56P2","created_at":"2026-07-04T16:58:44Z"},{"alias_kind":"pith_short_8","alias_value":"5Q7NHCTZ","created_at":"2026-07-04T16:58:44Z"}],"graph_snapshots":[{"event_id":"sha256:fade89cff1a2c31be54bafbbb34eccdf1dbaf70cc26eeb1ac9c2b3355cb01a4e","target":"graph","created_at":"2026-07-04T16:58:44Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/astro-ph/0605370/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We identify active galactic nuclei (AGN) in the Groth-Westphal Survey Strip (GSS) using the independent and complementary selection techniques of optical spectroscopy and photometric variability. We discuss the X-ray properties of these AGN using Chandra/XMM data for this region. From a sample of 576 galaxies with high quality spectra we identify 31 galaxies with AGN signatures. Seven of these have broad emission lines (Type 1 AGNs). We also identify 26 galaxies displaying nuclear variability in HST WFPC2 images of the GSS separated by ~7 years. The primary overlap of the two selected AGN samp","authors_text":"Andrew C. Phillips, Christopher N. A. Willmer, David C. Koo, Elise Laird, Henry A. Kobulnicky, Karl Gebhardt, Myungshin Im, Nicole P. Vogt, Sarah Iverson, Vicki L. Sarajedini, Wanessa Mattos","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2006-05-15T20:00:41Z","title":"The DEEP Groth Strip Survey VI. Spectroscopic, Variability, and X-ray Detection of AGN"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0605370","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:f9fbda782f92c0339a6a78ea28f6f972e270b1b670e6f1270c4b99265e2a89d1","target":"record","created_at":"2026-07-04T16:58:44Z","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":"8c91753f44e0b5d1535a07030c8cbad5262e9d2934a2bb49f1ff21d12926fc6d","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2006-05-15T20:00:41Z","title_canon_sha256":"2084423b7dc8b05f1b44ca38f103cde1f7a99fe1128f5402d469be3c94496fc1"},"schema_version":"1.0","source":{"id":"astro-ph/0605370","kind":"arxiv","version":1}},"canonical_sha256":"ec3ed38a79cbe08ef9fa03bc93399186d586550a214ebeb5b22bc1d3cf993f14","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ec3ed38a79cbe08ef9fa03bc93399186d586550a214ebeb5b22bc1d3cf993f14","first_computed_at":"2026-07-04T16:58:44.339232Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:58:44.339232Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5wrYJsTFsSD6SVuK0e8qkrblkIMFaCPnJP+30uFN1wZl/JSYClrmfyTcnx0JJKLSQjjY/dW9mVI6R8jwQcR6CQ==","signature_status":"signed_v1","signed_at":"2026-07-04T16:58:44.339680Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0605370","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f9fbda782f92c0339a6a78ea28f6f972e270b1b670e6f1270c4b99265e2a89d1","sha256:fade89cff1a2c31be54bafbbb34eccdf1dbaf70cc26eeb1ac9c2b3355cb01a4e"],"state_sha256":"f9fe4b02c31bba3a7bbb394b82569c9ab9afe8d9f55eb1b859b87861763f1951"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2nKjthE/+jcLKu+PfivFMv8kjGPGOEb+mIf0WbUe0csl0Hrc9eKvNsVzqNdTXVtq0BgYtwDGFnMkHnUMazQtCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T00:31:11.971618Z","bundle_sha256":"607fb62a75d002a62be1eae89efe83b2684c3f803e96c3a2f987f19b4412b51b"}}