Pith Number

pith:OKEWEM2O

pith:2005:OKEWEM2OVFVVDWYIAYOG5KC4KF

not attested not anchored not stored refs pending

Simulating Wide-Field Quasar Surveys from the Optical to Near-Infrared

Cambridge), Natasha Maddox, Paul C. Hewett (Institute of Astronomy

arxiv:astro-ph/0512325 v1 · 2005-12-13 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OKEWEM2OVFVVDWYIAYOG5KC4KF}

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	2026-07-04T16:53:09.084838Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

728962334ea96b51db08061c6ea85c516244477f267ba10a4b035f78d8a5be19

Aliases

arxiv: astro-ph/0512325 · arxiv_version: astro-ph/0512325v1 · doi: 10.48550/arxiv.astro-ph/0512325 · pith_short_12: OKEWEM2OVFVV · pith_short_16: OKEWEM2OVFVVDWYI · pith_short_8: OKEWEM2O

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/OKEWEM2OVFVVDWYIAYOG5KC4KF \
  | 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: 728962334ea96b51db08061c6ea85c516244477f267ba10a4b035f78d8a5be19

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c312550c0e6f4844a358944644f3c524697e6edd8173bd2c61af8ace4b6eb08",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-12-13T14:48:51Z",
    "title_canon_sha256": "c5b7ce87ab57acffdc9aba98c70d5e0e954a3dc3705befb8f5ca7135becf5aae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0512325",
    "kind": "arxiv",
    "version": 1
  }
}