Pith Number

pith:PP5KFKO3

pith:2013:PP5KFKO3H6YHHTSLTFFMBQG5GW

not attested not anchored not stored refs pending

Weighted regret-based likelihood: a new approach to describing uncertainty

Joseph Y. Halpern

arxiv:1309.1228 v1 · 2013-09-05 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PP5KFKO3H6YHHTSLTFFMBQG5GW}

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	2026-05-18T03:14:07.935137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bfaa2a9db3fb073ce4b994ac0c0dd35a7347e9d5244902c727e8072aa9d4a68

Aliases

arxiv: 1309.1228 · arxiv_version: 1309.1228v1 · doi: 10.48550/arxiv.1309.1228 · pith_short_12: PP5KFKO3H6YH · pith_short_16: PP5KFKO3H6YHHTSL · pith_short_8: PP5KFKO3

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/PP5KFKO3H6YHHTSLTFFMBQG5GW \
  | 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: 7bfaa2a9db3fb073ce4b994ac0c0dd35a7347e9d5244902c727e8072aa9d4a68

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "943a8c880dce74c0c3a028fcc0ddbcf4b1dd5457b21e5a8c9713e0e9c4d8dd9d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2013-09-05T02:33:30Z",
    "title_canon_sha256": "07b9a5768fe1ac2c7ffb576b3c8ae33dbe4f6d5413aeb7e13547a3d50668419c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.1228",
    "kind": "arxiv",
    "version": 1
  }
}