Pith Number

pith:OUSSQ3BW

pith:2012:OUSSQ3BWWUZLFXCNRXNW3D2XSO

not attested not anchored not stored refs pending

Color scales that are effective in both color and grayscale

Silas Alben

arxiv:1211.3659 v1 · 2012-11-15 · cs.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OUSSQ3BWWUZLFXCNRXNW3D2XSO}

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	2026-05-18T03:40:39.147306Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7525286c36b532b2dc4d8ddb6d8f57938cdaaee49996b0467f193fdb393cca37

Aliases

arxiv: 1211.3659 · arxiv_version: 1211.3659v1 · doi: 10.48550/arxiv.1211.3659 · pith_short_12: OUSSQ3BWWUZL · pith_short_16: OUSSQ3BWWUZLFXCN · pith_short_8: OUSSQ3BW

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/OUSSQ3BWWUZLFXCNRXNW3D2XSO \
  | 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: 7525286c36b532b2dc4d8ddb6d8f57938cdaaee49996b0467f193fdb393cca37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f96248ab6a0c628ac84108eb8d259146bb18098907c428ac92fc58704d8fa78f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GR",
    "submitted_at": "2012-11-15T17:08:58Z",
    "title_canon_sha256": "ed20c909e8ed19518fb5ad59b8ab0b761369b17f7a7e7ca59858ebd1c1ed9773"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.3659",
    "kind": "arxiv",
    "version": 1
  }
}