Pith Number

pith:SRDWIUAG

pith:2007:SRDWIUAGC7QHZ6TDF44IHUIPH3

not attested not anchored not stored refs pending

Avoiding bias in cards cryptography

H.P. van Ditmarsch, M.D. Atkinson, S. Roehling

arxiv:cs/0702097 v1 · 2007-02-17 · cs.CR · cs.MA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SRDWIUAGC7QHZ6TDF44IHUIPH3}

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	2026-05-18T04:09:46.040124Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

944764500617e07cfa632f3883d10f3edd41a18ce1010428c77baf0545ffc24c

Aliases

arxiv: cs/0702097 · arxiv_version: cs/0702097v1 · doi: 10.48550/arxiv.cs/0702097 · pith_short_12: SRDWIUAGC7QH · pith_short_16: SRDWIUAGC7QHZ6TD · pith_short_8: SRDWIUAG

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/SRDWIUAGC7QHZ6TDF44IHUIPH3 \
  | 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: 944764500617e07cfa632f3883d10f3edd41a18ce1010428c77baf0545ffc24c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5adb83ee7aaf8add4ad7ff0aca5b6db309c04001a7b43fde2cbb55bbd8dfc179",
    "cross_cats_sorted": [
      "cs.MA"
    ],
    "license": "",
    "primary_cat": "cs.CR",
    "submitted_at": "2007-02-17T01:42:39Z",
    "title_canon_sha256": "3763c147a44685448d245561c7c0008ff87ee29d6ee5015c63d93885af6553b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0702097",
    "kind": "arxiv",
    "version": 1
  }
}