Pith Number

pith:OBITEWPF

pith:2012:OBITEWPFGPM44NKAFHWTZYHEUL

not attested not anchored not stored refs pending

VOI-aware MCTS

David Tolpin, Solomon Eyal Shimony

arxiv:1207.5589 v1 · 2012-07-24 · cs.AI · cs.LG

Open paper page JSON Open Graph Bundle Merged state 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

✓ 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	2026-05-18T03:50:22.498507Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70513259e533d9ce354029ed3ce0e4a2e11733aff5977d240c2ca59a3f461a4f

Aliases

arxiv: 1207.5589 · arxiv_version: 1207.5589v1 · doi: 10.48550/arxiv.1207.5589 · pith_short_12: OBITEWPFGPM4 · pith_short_16: OBITEWPFGPM44NKA · pith_short_8: OBITEWPF

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/OBITEWPFGPM44NKAFHWTZYHEUL \
  | 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: 70513259e533d9ce354029ed3ce0e4a2e11733aff5977d240c2ca59a3f461a4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b79a967d09744575ce503c878f802e9679120fdfc309318cc0e320f4d5f64008",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2012-07-24T04:55:02Z",
    "title_canon_sha256": "7b07a7ffcd2f6c54089c446dc23d29c72bb251f3191cdbaa7485eaa7aa2d9909"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.5589",
    "kind": "arxiv",
    "version": 1
  }
}