{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:5QUDS2OBRRVB23KVLKZ33IWJYO","short_pith_number":"pith:5QUDS2OB","canonical_record":{"source":{"id":"1801.06522","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-01-19T18:28:47Z","cross_cats_sorted":["astro-ph.CO","astro-ph.HE"],"title_canon_sha256":"057fad83ae2405cbae13e6fc50a26ca5e7ea6e3b27530498bb2052de3f400675","abstract_canon_sha256":"0780fbabd5e9a43afa379f6b55f6a7f222126a55bd6a3141768852f2f0fb4f53"},"schema_version":"1.0"},"canonical_sha256":"ec283969c18c6a1d6d555ab3bda2c9c3b6d3737c0164d0c019ad328bb56067ba","source":{"kind":"arxiv","id":"1801.06522","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.06522","created_at":"2026-05-18T00:00:13Z"},{"alias_kind":"arxiv_version","alias_value":"1801.06522v1","created_at":"2026-05-18T00:00:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.06522","created_at":"2026-05-18T00:00:13Z"},{"alias_kind":"pith_short_12","alias_value":"5QUDS2OBRRVB","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_16","alias_value":"5QUDS2OBRRVB23KV","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_8","alias_value":"5QUDS2OB","created_at":"2026-05-18T12:32:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:5QUDS2OBRRVB23KVLKZ33IWJYO","target":"record","payload":{"canonical_record":{"source":{"id":"1801.06522","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-01-19T18:28:47Z","cross_cats_sorted":["astro-ph.CO","astro-ph.HE"],"title_canon_sha256":"057fad83ae2405cbae13e6fc50a26ca5e7ea6e3b27530498bb2052de3f400675","abstract_canon_sha256":"0780fbabd5e9a43afa379f6b55f6a7f222126a55bd6a3141768852f2f0fb4f53"},"schema_version":"1.0"},"canonical_sha256":"ec283969c18c6a1d6d555ab3bda2c9c3b6d3737c0164d0c019ad328bb56067ba","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:00:13.454533Z","signature_b64":"owM62s8+RU4ZyikJc9gHAZZkOOioF6yVD+I8uywyLnDTM8iuBco2avdMjpTfcVB1GkmTLdMR6TwYi1hT3WSeBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ec283969c18c6a1d6d555ab3bda2c9c3b6d3737c0164d0c019ad328bb56067ba","last_reissued_at":"2026-05-18T00:00:13.453967Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:00:13.453967Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1801.06522","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":"2026-05-18T00:00:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ubZ8BqnN/zDG3Sm5izOqkg7Gq/MMsXrMWp7VPdgWN/nIauMEVER5gL/wohpZu4JYFfUEZTcR3ht7H+Nko6axDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T01:02:39.560950Z"},"content_sha256":"917ab3f2a0e1f8f05d68257dc112126a3ff9aeb5ffe083023adf1533d53c9362","schema_version":"1.0","event_id":"sha256:917ab3f2a0e1f8f05d68257dc112126a3ff9aeb5ffe083023adf1533d53c9362"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:5QUDS2OBRRVB23KVLKZ33IWJYO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Mean Occupation Function of High Redshift Quasars from the Planck Cluster Catalog","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","astro-ph.HE"],"primary_cat":"astro-ph.GA","authors_text":"2), (2) Kentucky, 3), (3) IISc, (4) UWyo), Adam D. Myers (4) ((1) PU, Alankar Dutta (1, Priyanka Chakraborty (1, Suchetana Chatterjee (1)","submitted_at":"2018-01-19T18:28:47Z","abstract_excerpt":"We characterise the distribution of quasars within dark matter halos using a direct measurement technique for the first time at redshifts as high as $z \\sim 1$. Using the Planck Sunyaev-Zeldovich (SZ) catalogue for galaxy groups and the Sloan Digital Sky Survey (SDSS) DR12 quasar dataset, we assign host clusters/groups to the quasars and make a measurement of the mean number of quasars within dark matter halos as a function of halo mass. We find that a simple power-law fit of $\\log\\left <N\\right> = (2.11 \\pm 0.01) \\log (M) -(32.77 \\pm 0.11)$ can be used to model the quasar fraction in dark mat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.06522","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":"2026-05-18T00:00:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UrYtbcC5QOxpR5yLo3tAORkdOuKl/rPQcvy9u47gQHyXgaK1btReoHJijvk4FZvuaIXR+J9z/Nh584W0eVU1Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T01:02:39.561574Z"},"content_sha256":"0dc6c8df566ecf421694cc5a7a38ab30f92484ca640f46b6d9a0f669f51c38b1","schema_version":"1.0","event_id":"sha256:0dc6c8df566ecf421694cc5a7a38ab30f92484ca640f46b6d9a0f669f51c38b1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5QUDS2OBRRVB23KVLKZ33IWJYO/bundle.json","state_url":"https://pith.science/pith/5QUDS2OBRRVB23KVLKZ33IWJYO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5QUDS2OBRRVB23KVLKZ33IWJYO/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":"2026-06-11T01:02:39Z","links":{"resolver":"https://pith.science/pith/5QUDS2OBRRVB23KVLKZ33IWJYO","bundle":"https://pith.science/pith/5QUDS2OBRRVB23KVLKZ33IWJYO/bundle.json","state":"https://pith.science/pith/5QUDS2OBRRVB23KVLKZ33IWJYO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5QUDS2OBRRVB23KVLKZ33IWJYO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:5QUDS2OBRRVB23KVLKZ33IWJYO","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":"0780fbabd5e9a43afa379f6b55f6a7f222126a55bd6a3141768852f2f0fb4f53","cross_cats_sorted":["astro-ph.CO","astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-01-19T18:28:47Z","title_canon_sha256":"057fad83ae2405cbae13e6fc50a26ca5e7ea6e3b27530498bb2052de3f400675"},"schema_version":"1.0","source":{"id":"1801.06522","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.06522","created_at":"2026-05-18T00:00:13Z"},{"alias_kind":"arxiv_version","alias_value":"1801.06522v1","created_at":"2026-05-18T00:00:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.06522","created_at":"2026-05-18T00:00:13Z"},{"alias_kind":"pith_short_12","alias_value":"5QUDS2OBRRVB","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_16","alias_value":"5QUDS2OBRRVB23KV","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_8","alias_value":"5QUDS2OB","created_at":"2026-05-18T12:32:08Z"}],"graph_snapshots":[{"event_id":"sha256:0dc6c8df566ecf421694cc5a7a38ab30f92484ca640f46b6d9a0f669f51c38b1","target":"graph","created_at":"2026-05-18T00:00:13Z","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 characterise the distribution of quasars within dark matter halos using a direct measurement technique for the first time at redshifts as high as $z \\sim 1$. Using the Planck Sunyaev-Zeldovich (SZ) catalogue for galaxy groups and the Sloan Digital Sky Survey (SDSS) DR12 quasar dataset, we assign host clusters/groups to the quasars and make a measurement of the mean number of quasars within dark matter halos as a function of halo mass. We find that a simple power-law fit of $\\log\\left <N\\right> = (2.11 \\pm 0.01) \\log (M) -(32.77 \\pm 0.11)$ can be used to model the quasar fraction in dark mat","authors_text":"2), (2) Kentucky, 3), (3) IISc, (4) UWyo), Adam D. Myers (4) ((1) PU, Alankar Dutta (1, Priyanka Chakraborty (1, Suchetana Chatterjee (1)","cross_cats":["astro-ph.CO","astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-01-19T18:28:47Z","title":"Mean Occupation Function of High Redshift Quasars from the Planck Cluster Catalog"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.06522","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":"sha256:917ab3f2a0e1f8f05d68257dc112126a3ff9aeb5ffe083023adf1533d53c9362","target":"record","created_at":"2026-05-18T00:00:13Z","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":"0780fbabd5e9a43afa379f6b55f6a7f222126a55bd6a3141768852f2f0fb4f53","cross_cats_sorted":["astro-ph.CO","astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-01-19T18:28:47Z","title_canon_sha256":"057fad83ae2405cbae13e6fc50a26ca5e7ea6e3b27530498bb2052de3f400675"},"schema_version":"1.0","source":{"id":"1801.06522","kind":"arxiv","version":1}},"canonical_sha256":"ec283969c18c6a1d6d555ab3bda2c9c3b6d3737c0164d0c019ad328bb56067ba","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ec283969c18c6a1d6d555ab3bda2c9c3b6d3737c0164d0c019ad328bb56067ba","first_computed_at":"2026-05-18T00:00:13.453967Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:00:13.453967Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"owM62s8+RU4ZyikJc9gHAZZkOOioF6yVD+I8uywyLnDTM8iuBco2avdMjpTfcVB1GkmTLdMR6TwYi1hT3WSeBA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:00:13.454533Z","signed_message":"canonical_sha256_bytes"},"source_id":"1801.06522","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:917ab3f2a0e1f8f05d68257dc112126a3ff9aeb5ffe083023adf1533d53c9362","sha256:0dc6c8df566ecf421694cc5a7a38ab30f92484ca640f46b6d9a0f669f51c38b1"],"state_sha256":"ff19143b4a38b7307748abf83ca3601ad84fb8a64e3769751f4b6c4c2add985e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pGP+icNr5s24Q6/G7pwCYuF4I4zQBWlmpj5Metb+5cIeMF3tZtviyAzuhdIXCF0vcQXE+k/iwxvcwhDJCo6ABA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T01:02:39.565500Z","bundle_sha256":"697c24d54ae4476b0dc6689ea7d60168e7eb3dbcd2473bb09fb1196ae676d4eb"}}