Pith Number

pith:X76GWA4A

pith:2011:X76GWA4AMCA34NJEJUX6AED2CL

not attested not anchored not stored refs pending

The guarding game is E-complete

R. Samal, T. Valla

arxiv:1112.6140 v2 · 2011-12-28 · cs.GT · cs.CC

Open paper page JSON What is a Pith Number?

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

Receipt and verification

First computed	2026-05-18T03:07:12.395661Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bffc6b03806081be35244d2fe0107a12f75f3dd9d09bb685a0cc3ac221634268

Aliases

arxiv: 1112.6140 · arxiv_version: 1112.6140v2 · doi: 10.48550/arxiv.1112.6140

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/X76GWA4AMCA34NJEJUX6AED2CL \
  | 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: bffc6b03806081be35244d2fe0107a12f75f3dd9d09bb685a0cc3ac221634268

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3250c3a9b3d7f80421af7d0e005f3dfb6f1ba3a51485455a39e7f0f0907abce",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2011-12-28T16:03:30Z",
    "title_canon_sha256": "daf4e1e75863fb94c08f2c4db8ad06dbf5870cf7aea6377437fccbb4071dc7f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.6140",
    "kind": "arxiv",
    "version": 2
  }
}