Pith Number

pith:VY32MK2M

pith:2025:VY32MK2MQLRFEYSYUV4FQ44RM4

not attested not anchored not stored refs pending

Cubing for Tuning

Clark Barrett, Haoze Wu, Nina Narodytska

arxiv:2504.19039 v3 · 2025-04-26 · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VY32MK2MQLRFEYSYUV4FQ44RM4}

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	2026-07-05T11:01:57.222366Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae37a62b4c82e2526258a578587391670dc5fc2c431690641a4f49091115fb2e

Aliases

arxiv: 2504.19039 · arxiv_version: 2504.19039v3 · doi: 10.48550/arxiv.2504.19039 · pith_short_12: VY32MK2MQLRF · pith_short_16: VY32MK2MQLRFEYSY · pith_short_8: VY32MK2M

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/VY32MK2MQLRFEYSYUV4FQ44RM4 \
  | 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: ae37a62b4c82e2526258a578587391670dc5fc2c431690641a4f49091115fb2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad74da9a2d84d79e06ab5c15a275c26f3425cf1b16196b9886334675c58e05ae",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2025-04-26T22:14:55Z",
    "title_canon_sha256": "0a3e09ea8a6d10c20a491fc10f2c229bda55ad47423ac2af70a7153961c58e2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.19039",
    "kind": "arxiv",
    "version": 3
  }
}