Pith Number

pith:YHWW53MY

pith:2012:YHWW53MY4BGVQ7IUF4ZQWK2WC3

not attested not anchored not stored refs pending

Power measures derived from the sequential query process

Geoffrey Pritchard, Mark C. Wilson, Reyhaneh Reyhani

arxiv:1202.1882 v2 · 2012-02-09 · math.CO · cs.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YHWW53MY4BGVQ7IUF4ZQWK2WC3}

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	2026-05-18T03:17:25.073589Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1ed6eed98e04d587d142f330b2b5616ea2843ebf0c3c64e0b088ddadc8bda77

Aliases

arxiv: 1202.1882 · arxiv_version: 1202.1882v2 · doi: 10.48550/arxiv.1202.1882 · pith_short_12: YHWW53MY4BGV · pith_short_16: YHWW53MY4BGVQ7IU · pith_short_8: YHWW53MY

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/YHWW53MY4BGVQ7IUF4ZQWK2WC3 \
  | 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: c1ed6eed98e04d587d142f330b2b5616ea2843ebf0c3c64e0b088ddadc8bda77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7cbe567c4b30b2255ebf6dd533836a478905ed96e0bfdd93359980573f91f0c7",
    "cross_cats_sorted": [
      "cs.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2012-02-09T03:51:37Z",
    "title_canon_sha256": "2aa2a801fa2a66176ba8f56c77f0b23001c134d0652d290543af2d355dc41a17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.1882",
    "kind": "arxiv",
    "version": 2
  }
}