Pith Number

pith:X3QLK6VT

pith:2015:X3QLK6VTV44DFZTWQ7MHMWGHJA

not attested not anchored not stored refs pending

Heavily reddened type 1 quasars at z > 2 I: Evidence for significant obscured black-hole growth at the highest quasar luminosities

Manda Banerji, Paul C. Hewett, Richard G. McMahon, S. Alaghband-Zadeh

arxiv:1501.00815 v1 · 2015-01-05 · astro-ph.GA · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X3QLK6VTV44DFZTWQ7MHMWGHJA}

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Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Cited by

1 paper in Pith

Extreme outflow velocities and weak UV emission lines indicate quasars shedding their dust cocoons

Receipt and verification

First computed	2026-05-18T01:41:14.612391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bee0b57ab3af3832e67687d87658c74828be4f732ce3cc7c345f309266418101

Aliases

arxiv: 1501.00815 · arxiv_version: 1501.00815v1 · doi: 10.48550/arxiv.1501.00815 · pith_short_12: X3QLK6VTV44D · pith_short_16: X3QLK6VTV44DFZTW · pith_short_8: X3QLK6VT

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/X3QLK6VTV44DFZTWQ7MHMWGHJA \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: bee0b57ab3af3832e67687d87658c74828be4f732ce3cc7c345f309266418101

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6e20e31c352cdb63014ef5892916d2cc5a08bbf87a5f0191f09ae51c0b15653",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-01-05T11:03:38Z",
    "title_canon_sha256": "b8f1e3175196ffc99fe2910f2bfbd2098398ff3495b363d551fc317dcf2f9049"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.00815",
    "kind": "arxiv",
    "version": 1
  }
}