Pith Number

pith:NDM44G2Z

pith:2012:NDM44G2ZDOKWI4JT6OJNUSNDGF

not attested not anchored not stored refs pending

Probability calculations under the IAC hypothesis

Geoffrey Pritchard, Mark C. Wilson

arxiv:1202.3493 v1 · 2012-02-16 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NDM44G2ZDOKWI4JT6OJNUSNDGF}

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	2026-05-18T04:02:13.025828Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68d9ce1b591b95647133f392da49a3316898368b7289972cc67b5f5e9ae31d4f

Aliases

arxiv: 1202.3493 · arxiv_version: 1202.3493v1 · doi: 10.48550/arxiv.1202.3493 · pith_short_12: NDM44G2ZDOKW · pith_short_16: NDM44G2ZDOKWI4JT · pith_short_8: NDM44G2Z

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/NDM44G2ZDOKWI4JT6OJNUSNDGF \
  | 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: 68d9ce1b591b95647133f392da49a3316898368b7289972cc67b5f5e9ae31d4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e857b8954280569a9391986b82e01a756c3155e16051a0d204623476eea1984",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2012-02-16T02:05:36Z",
    "title_canon_sha256": "6e0d6dc8319768dff91b2e2427641bdebe279b6a8b634a5725efed7292da7496"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.3493",
    "kind": "arxiv",
    "version": 1
  }
}