Pith Number

pith:2L3JUUFU

pith:2026:2L3JUUFURFHTXH2MCETZZK2D7Q

not attested not anchored not stored refs pending

ScratchWorld: Evaluating If World Models Compute Executable Consequences

Jialu Zhang, Yufeng Lin

arxiv:2606.31689 v1 · 2026-06-30 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2L3JUUFURFHTXH2MCETZZK2D7Q}

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

4 papers in Pith

Fixed-Set Robustness in Programming by Example: Example Corruption and Semantic Partition Recovery

SchedCheck: Schedule-Robustness Analysis for Event-Driven Block Programs

Checked Program Recovery from Execution Video: A Sound Oracle for Untrusted Generators

Certificate-Carrying Transformation of Event-Driven Block Programs

Receipt and verification

First computed	2026-07-01T01:18:11.720371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2f69a50b4894f3b9f4c11279cab43fc052a6f424590182cea1cd58443a7bff1

Aliases

arxiv: 2606.31689 · arxiv_version: 2606.31689v1 · doi: 10.48550/arxiv.2606.31689 · pith_short_12: 2L3JUUFURFHT · pith_short_16: 2L3JUUFURFHTXH2M · pith_short_8: 2L3JUUFU

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/2L3JUUFURFHTXH2MCETZZK2D7Q \
  | 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: d2f69a50b4894f3b9f4c11279cab43fc052a6f424590182cea1cd58443a7bff1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be4c4991d4d5669096a9bfcfdc0d2083f8da5e9cf25a78933225d632528af5b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2026-06-30T14:02:25Z",
    "title_canon_sha256": "ac1b54152886066c644b3f0113554d3a4780159278d3b784870c33d82b819cfc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.31689",
    "kind": "arxiv",
    "version": 1
  }
}