Pith Number

pith:VUFORVYV

pith:2012:VUFORVYVPLX6CVPNNWOYW62EBE

not attested not anchored not stored refs pending

The large area KX quasar catalogue: I. Analysis of the photometric redshift selection and the complete quasar catalogue

Celine Peroux, Daniel B. Nestor, Lutz Wisotzki, Natasha Maddox, Paul C. Hewett

arxiv:1206.1434 v1 · 2012-06-07 · 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{VUFORVYVPLX6CVPNNWOYW62EBE}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

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.

Receipt and verification

First computed	2026-05-18T01:57:01.151481Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad0ae8d7157aefe155ed6d9d8b7b4409389194c873b4455c29f1c7e96d1379db

Aliases

arxiv: 1206.1434 · arxiv_version: 1206.1434v1 · doi: 10.48550/arxiv.1206.1434 · pith_short_12: VUFORVYVPLX6 · pith_short_16: VUFORVYVPLX6CVPN · pith_short_8: VUFORVYV

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/VUFORVYVPLX6CVPNNWOYW62EBE \
  | 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: ad0ae8d7157aefe155ed6d9d8b7b4409389194c873b4455c29f1c7e96d1379db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2f2fc24ec56473fc652a849074b44205ab70ba5c2089bf5f0e1f5fcc4d1bfd3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-06-07T10:03:57Z",
    "title_canon_sha256": "3c4ac83fb2e3aed4589046b71bcf5b42b09c29c511fa58ed72737ccd4c864c26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.1434",
    "kind": "arxiv",
    "version": 1
  }
}