Pith Number

pith:XXJGFHIY

pith:2026:XXJGFHIYYTJZYQKUGDPPRL5PGT

not attested not anchored not stored refs pending

Hallucination in World Models is Predictable and Preventable

Nicklas Hansen, Xiaolong Wang

arxiv:2606.27326 v1 · 2026-06-25 · cs.LG · cs.CV · cs.RO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XXJGFHIYYTJZYQKUGDPPRL5PGT}

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	2026-06-26T01:16:18.783533Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bdd2629d18c4d39c415430def8afaf34f50b1d6be4b5a7dbc9548df690bf9bd4

Aliases

arxiv: 2606.27326 · arxiv_version: 2606.27326v1 · doi: 10.48550/arxiv.2606.27326 · pith_short_12: XXJGFHIYYTJZ · pith_short_16: XXJGFHIYYTJZYQKU · pith_short_8: XXJGFHIY

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/XXJGFHIYYTJZYQKUGDPPRL5PGT \
  | 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: bdd2629d18c4d39c415430def8afaf34f50b1d6be4b5a7dbc9548df690bf9bd4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff5a0c2c69bff59f6fd346e22750437804145000cb0ca7ba6c89f4436b6ade18",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.RO"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-25T17:38:45Z",
    "title_canon_sha256": "c514304351590da1895d2476041ec63c78a7ff33ebfa07c1f9198d6ed95b4438"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.27326",
    "kind": "arxiv",
    "version": 1
  }
}