Pith Number

pith:4CKCEEXT

pith:2026:4CKCEEXT5JM2HA2POPJ3CIMOSM

not attested not anchored not stored refs pending

When Models Know When They Do Not Know: Calibration, Cascading, and Cleaning

Chenjie Hao, Weier Wan, Weyl Lu, Yubei Chen, Yuko Ishiwaka, Zengyi Li

arxiv:2601.07965 v2 · 2026-01-12 · 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{4CKCEEXT5JM2HA2POPJ3CIMOSM}

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	2026-06-30T01:17:32.596931Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0942212f3ea59a3834f73d3b1218e932ce031ceda75f8659b140e4d30813908

Aliases

arxiv: 2601.07965 · arxiv_version: 2601.07965v2 · doi: 10.48550/arxiv.2601.07965 · pith_short_12: 4CKCEEXT5JM2 · pith_short_16: 4CKCEEXT5JM2HA2P · pith_short_8: 4CKCEEXT

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/4CKCEEXT5JM2HA2POPJ3CIMOSM \
  | 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: e0942212f3ea59a3834f73d3b1218e932ce031ceda75f8659b140e4d30813908

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80ee68914d86543a42d7361709870e284d6d91be890614b3f2383cbc71fcba14",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-01-12T19:59:03Z",
    "title_canon_sha256": "dc61567a5889c0cf2ee9f7a634d5e20431c4058f95b1e8a9482480e645dbb369"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.07965",
    "kind": "arxiv",
    "version": 2
  }
}