Pith Number

pith:6BYBBB4U

pith:2026:6BYBBB4ULVLJERDALVZSQ6WWC2

not attested not anchored not stored refs pending

ComplexConstraints and Beyond: Expert Rubrics for RLVR

Edwin Chen, Liudas Panavas, Sushant Mehta

arxiv:2606.09118 v1 · 2026-06-08 · 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{6BYBBB4ULVLJERDALVZSQ6WWC2}

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	2026-06-09T02:08:00.251115Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0701087945d569244605d73287ad6168f86db2f77a49fe004d651144ec1eb43

Aliases

arxiv: 2606.09118 · arxiv_version: 2606.09118v1 · doi: 10.48550/arxiv.2606.09118 · pith_short_12: 6BYBBB4ULVLJ · pith_short_16: 6BYBBB4ULVLJERDA · pith_short_8: 6BYBBB4U

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/6BYBBB4ULVLJERDALVZSQ6WWC2 \
  | 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: f0701087945d569244605d73287ad6168f86db2f77a49fe004d651144ec1eb43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0297fdb50aacd876f36ae9384dc11ea9f88b245524541775008b36f7199529e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-06-08T07:11:56Z",
    "title_canon_sha256": "bf713b7908e1e49fdc2dd3f230f97f6a7498d5750f84a9c7c7a83e7039ec2ab1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.09118",
    "kind": "arxiv",
    "version": 1
  }
}