Pith Number

pith:KS5K4NYJ

pith:2009:KS5K4NYJCE33WXWSMRQ4ESEGPD

not attested not anchored not stored refs pending

Binary Quasars at High Redshift II: Sub-Mpc Clustering at z ~ 3-4

Adam D. Myers, Ashish Mahabal, Carlo Giocoli, David H. Weinberg, Donald P. Schneider, Francesco Shankar, Joseph F. Hennawi, Michael A. Strauss, S. G. Djorgovski, Xiaohui Fan, Yue Shen

arxiv:0908.3908 v1 · 2009-08-26 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KS5K4NYJCE33WXWSMRQ4ESEGPD}

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	2026-05-18T02:12:22.457505Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54baae37091137bb5ed26461c2488678efdd40c14bf182dc984c06e19d0b5b7b

Aliases

arxiv: 0908.3908 · arxiv_version: 0908.3908v1 · doi: 10.48550/arxiv.0908.3908 · pith_short_12: KS5K4NYJCE33 · pith_short_16: KS5K4NYJCE33WXWS · pith_short_8: KS5K4NYJ

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/KS5K4NYJCE33WXWSMRQ4ESEGPD \
  | 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: 54baae37091137bb5ed26461c2488678efdd40c14bf182dc984c06e19d0b5b7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7bd88dd068098ae9288af30ea24e3b7b678f4eb7b49473763c5c0d6dbb75b5f7",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-08-26T21:19:46Z",
    "title_canon_sha256": "e1e7e1b533e8ead9e411da49712c5e325d9892d8270c9cbb954db56a61271a38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.3908",
    "kind": "arxiv",
    "version": 1
  }
}