Pith Number

pith:4UMRKCWS

pith:2026:4UMRKCWSGONB2Q5DETBTUY6ADU

not attested not anchored not stored refs pending

Operator-on-F complements value-equivalence: a planning-time diagnostic for latent world models

Donna Vakalis

arxiv:2607.04464 v1 · 2026-07-05 · cs.LG · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4UMRKCWSGONB2Q5DETBTUY6ADU}

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.

Cited by

1 paper in Pith

The Rank-One Corner: How Much Value Equivalence Does a Task Need from a World Model?

Receipt and verification

First computed	2026-07-07T02:19:20.568580Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e519150ad2339a1d43a324c33a63c01d0273b57b4bf2d6b2a6be178a364e5964

Aliases

arxiv: 2607.04464 · arxiv_version: 2607.04464v1 · doi: 10.48550/arxiv.2607.04464 · pith_short_12: 4UMRKCWSGONB · pith_short_16: 4UMRKCWSGONB2Q5D · pith_short_8: 4UMRKCWS

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/4UMRKCWSGONB2Q5DETBTUY6ADU \
  | 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: e519150ad2339a1d43a324c33a63c01d0273b57b4bf2d6b2a6be178a364e5964

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6befd20ff02e392ca70c53ea66270758e2826030ae00467b3081fc18421cd6ab",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-07-05T19:09:07Z",
    "title_canon_sha256": "7624570e82b4da5e8cba3025d6e428a6e5a36500a99f0aee1e98e184ce7c82bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.04464",
    "kind": "arxiv",
    "version": 1
  }
}