Pith Number

pith:2NHBP4IV

pith:2026:2NHBP4IVWU3XP3GIU7OJUXKAKG

not attested not anchored not stored refs pending

The Complexity Ceiling Benchmark: A Multi-Domain Evaluation of Sequential Reasoning Under Depth Scaling

Dhruv Kumar, Murari Mandal, Shubh Chapra, Yash Sinha

arxiv:2606.29278 v1 · 2026-06-28 · cs.AI · 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{2NHBP4IVWU3XP3GIU7OJUXKAKG}

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	2026-06-30T01:18:00.021457Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d34e17f115b53777ecc8a7dc9a5d4051968464b7b523b9f4c03e2c5ea9157c85

Aliases

arxiv: 2606.29278 · arxiv_version: 2606.29278v1 · doi: 10.48550/arxiv.2606.29278 · pith_short_12: 2NHBP4IVWU3X · pith_short_16: 2NHBP4IVWU3XP3GI · pith_short_8: 2NHBP4IV

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/2NHBP4IVWU3XP3GIU7OJUXKAKG \
  | 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: d34e17f115b53777ecc8a7dc9a5d4051968464b7b523b9f4c03e2c5ea9157c85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ac5f8657fed9a08539a16fe9355fa32b6da891bca618a1c0e57aaca9188efed",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-06-28T08:56:34Z",
    "title_canon_sha256": "c5c799469994deb800842d0c6740bd8901f66416f55dcd306712311062a45512"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.29278",
    "kind": "arxiv",
    "version": 1
  }
}