Pith Number

pith:WY52G6L2

pith:2026:WY52G6L26HOPNJ47DZULGOPGSD

not attested not anchored not stored refs pending

Fine-Grained Uncertainty Quantification for Long-Form Language Model Outputs: A Comparative Study

David Skarbrevik, Dylan Bouchard, Mohit Singh Chauhan, Viren Bajaj

arxiv:2602.17431 v2 · 2026-02-19 · cs.CL · cs.AI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WY52G6L26HOPNJ47DZULGOPGSD}

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	2026-06-23T03:13:54.615486Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b63ba3797af1dcf6a79f1e68b339e690d473d087ae257406bfc2334256578b33

Aliases

arxiv: 2602.17431 · arxiv_version: 2602.17431v2 · doi: 10.48550/arxiv.2602.17431 · pith_short_12: WY52G6L26HOP · pith_short_16: WY52G6L26HOPNJ47 · pith_short_8: WY52G6L2

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/WY52G6L26HOPNJ47DZULGOPGSD \
  | 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: b63ba3797af1dcf6a79f1e68b339e690d473d087ae257406bfc2334256578b33

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "687e6cb74e682ebf5dc8626a1909d63dcf18640782e1d2b29c8a474db0f1be7d",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-02-19T15:02:29Z",
    "title_canon_sha256": "eb24dd0e63a3082b308862f6bcfbb2bad8973ac1731779f83878b30fedeab19a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.17431",
    "kind": "arxiv",
    "version": 2
  }
}