Pith Number

pith:3LJ26S3K

pith:2008:3LJ26S3KVHSUWQ5PFXOLMN3IIW

not attested not anchored not stored refs pending

Quasar Clustering from SDSS DR5: Dependences on Physical Properties

Andrew J. Connolly, Daniel E. Vanden Berk, David H. Weinberg, Donald P. Schneider, Francesco Shankar, Gordon T. Richards, Joseph F. Hennawi, Michael A. Strauss, Neta A. Bahcall, Nicholas P. Ross, Patrick B. Hall, Robert J. Brunner, Xiaohui Fan, Yen-Ting Lin, Yue Shen

arxiv:0810.4144 v2 · 2008-10-22 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3LJ26S3KVHSUWQ5PFXOLMN3IIW}

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

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	2026-05-18T02:15:23.583703Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dad3af4b6aa9e54b43af2ddcb637684594eaaa03f7dab617d545d335dc45fbc2

Aliases

arxiv: 0810.4144 · arxiv_version: 0810.4144v2 · doi: 10.48550/arxiv.0810.4144 · pith_short_12: 3LJ26S3KVHSU · pith_short_16: 3LJ26S3KVHSUWQ5P · pith_short_8: 3LJ26S3K

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/3LJ26S3KVHSUWQ5PFXOLMN3IIW \
  | 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: dad3af4b6aa9e54b43af2ddcb637684594eaaa03f7dab617d545d335dc45fbc2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "756f9128914d55efef2a646f4f986e0781f41ddc7fa41777bf304e63e1371589",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-10-22T20:01:16Z",
    "title_canon_sha256": "185ea6296aeb76cf977a1db2842072dcf2039bbd2b9da298a3a39a4d303f0ec6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.4144",
    "kind": "arxiv",
    "version": 2
  }
}