Pith Number

pith:WM7PMTEP

pith:2002:WM7PMTEPZF5ORSIBUSTBWOTGBV

not attested not anchored not stored refs pending

Trust enhancement by multiple random beacons

Charles H. Bennett, John A. Smolin

arxiv:cs/0201003 v1 · 2002-01-06 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WM7PMTEPZF5ORSIBUSTBWOTGBV}

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	2026-07-04T14:24:14.828764Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b33ef64c8fc97ae8c901a4a61b3a660d53bbe2dbd108c9865cbdf4c0404eca5c

Aliases

arxiv: cs/0201003 · arxiv_version: cs/0201003v1 · doi: 10.48550/arxiv.cs/0201003 · pith_short_12: WM7PMTEPZF5O · pith_short_16: WM7PMTEPZF5ORSIB · pith_short_8: WM7PMTEP

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/WM7PMTEPZF5ORSIBUSTBWOTGBV \
  | 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: b33ef64c8fc97ae8c901a4a61b3a660d53bbe2dbd108c9865cbdf4c0404eca5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b99a482d53349d6c9d3f4d8d24138ca0070951eabba61c4137ef173345024bba",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cs.CR",
    "submitted_at": "2002-01-06T22:38:03Z",
    "title_canon_sha256": "decff228f3434871a092474099f6a5fee603e48927e06c727df50bce71aba2ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0201003",
    "kind": "arxiv",
    "version": 1
  }
}