Pith Number

pith:5VISVFQG

pith:2026:5VISVFQG55LXFC6XBAHIWP64CN

not attested not anchored not stored refs pending

Calibrating Semantic Uncertainty from Observable Language-Model Probabilities

Matthew F. Dixon

arxiv:2607.17447 v1 · 2026-07-20 · stat.ME · cs.CL · math.ST · stat.ML · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5VISVFQG55LXFC6XBAHIWP64CN}

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	2026-07-21T01:21:33.366057Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed512a9606ef57728bd7080e8b3fdc134bc2ceaf1e6fd3366c194374cd482c4f

Aliases

arxiv: 2607.17447 · arxiv_version: 2607.17447v1 · doi: 10.48550/arxiv.2607.17447 · pith_short_12: 5VISVFQG55LX · pith_short_16: 5VISVFQG55LXFC6X · pith_short_8: 5VISVFQG

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/5VISVFQG55LXFC6XBAHIWP64CN \
  | 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: ed512a9606ef57728bd7080e8b3fdc134bc2ceaf1e6fd3366c194374cd482c4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "951e22a3b51f6c76bbd054c92d2df9da21ab6248da4ac226ec606c2e8092e0be",
    "cross_cats_sorted": [
      "cs.CL",
      "math.ST",
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2026-07-20T00:29:04Z",
    "title_canon_sha256": "24500d83100e32917b02677bd82e7d23be5ae50892a3ef28be4e8c7af44ce717"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.17447",
    "kind": "arxiv",
    "version": 1
  }
}