Pith Number

pith:IS7ZRZGH

pith:2005:IS7ZRZGHI37UUW6SRTJFUPHLWB

not attested not anchored not stored refs pending

First Measurement of the Clustering Evolution of Photometrically-Classified Quasars

Adam D. Myers, Alexander G. Gray, Daniel E. Vanden Berk, Donald P. Schneider, Gordon T. Richards, Jon Brinkmann, Robert C. Nichol, Robert J. Brunner, Ryan Scranton

arxiv:astro-ph/0510371 v2 · 2005-10-12 · 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{IS7ZRZGHI37UUW6SRTJFUPHLWB}

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.

Cited by

1 paper in Pith

What drives the growth of black holes: a decade of progress

Receipt and verification

First computed	2026-07-04T14:50:44.261149Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44bf98e4c746ff4a5bd28cd25a3cebb07bfc196f38448b9b2b071bca42ec89c8

Aliases

arxiv: astro-ph/0510371 · arxiv_version: astro-ph/0510371v2 · doi: 10.48550/arxiv.astro-ph/0510371 · pith_short_12: IS7ZRZGHI37U · pith_short_16: IS7ZRZGHI37UUW6S · pith_short_8: IS7ZRZGH

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/IS7ZRZGHI37UUW6SRTJFUPHLWB \
  | 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: 44bf98e4c746ff4a5bd28cd25a3cebb07bfc196f38448b9b2b071bca42ec89c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77c63e2c9cf69ffaa6ddd287c0bd73c3cf6aae9f386e8b0ad6ea91d9f03f6938",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-10-12T20:29:34Z",
    "title_canon_sha256": "9d303e6e7eb1e90ce4ccaee98e69c4f428f3718089bcedbc501392101be8046e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0510371",
    "kind": "arxiv",
    "version": 2
  }
}