Pith Number

pith:IWYKFOPT

pith:2024:IWYKFOPT3MCEI7EJVZ2XAGPLSF

not attested not anchored not stored refs pending

I Don't Know: Explicit Modeling of Uncertainty with an [IDK] Token

Eden Biran, Gerard de Melo, Konstantin Dobler, Roi Cohen

arxiv:2412.06676 v1 · 2024-12-09 · cs.LG · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IWYKFOPT3MCEI7EJVZ2XAGPLSF}

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	2026-07-05T09:46:36.335929Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45b0a2b9f3db04447c89ae757019eb9173586ed95121b019c1a569bd88b3c778

Aliases

arxiv: 2412.06676 · arxiv_version: 2412.06676v1 · doi: 10.48550/arxiv.2412.06676 · pith_short_12: IWYKFOPT3MCE · pith_short_16: IWYKFOPT3MCEI7EJ · pith_short_8: IWYKFOPT

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/IWYKFOPT3MCEI7EJVZ2XAGPLSF \
  | 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: 45b0a2b9f3db04447c89ae757019eb9173586ed95121b019c1a569bd88b3c778

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f77d3bddf6a5d14746d257b1e04c1c865c8e2091498357c68a06de05f524669",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2024-12-09T17:13:20Z",
    "title_canon_sha256": "5daa84598fed410f9375c50d61b0f58bf3c042ac076eb948d764061536aa2016"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.06676",
    "kind": "arxiv",
    "version": 1
  }
}