Pith Number

pith:6KW46WDE

pith:2012:6KW46WDEVUNSESX6XDOUVNID4J

not attested not anchored not stored refs pending

Scienceography: the study of how science is written

Graham Cormode, Jinyun Yan, S. Muthukrishnan

arxiv:1202.2638 v4 · 2012-02-13 · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6KW46WDEVUNSESX6XDOUVNID4J}

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	2026-05-18T03:17:12.118919Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f2adcf5864ad1b224afeb8dd4ab503e25f6ea676224adf58d4aed07f55dcd1af

Aliases

arxiv: 1202.2638 · arxiv_version: 1202.2638v4 · doi: 10.48550/arxiv.1202.2638 · pith_short_12: 6KW46WDEVUNS · pith_short_16: 6KW46WDEVUNSESX6 · pith_short_8: 6KW46WDE

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/6KW46WDEVUNSESX6XDOUVNID4J \
  | 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: f2adcf5864ad1b224afeb8dd4ab503e25f6ea676224adf58d4aed07f55dcd1af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "970a2dfdb7144342e5bbb3a8d658750a21e4c8fc4458658e959f3130bcd1b880",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2012-02-13T06:38:14Z",
    "title_canon_sha256": "99169227bee9efc6d7894ddb9bb1e345e9e25e7200463e27265016499aa6c587"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.2638",
    "kind": "arxiv",
    "version": 4
  }
}