Pith Number

pith:HWECUL3B

pith:2026:HWECUL3BWO32QARPJKY64VUPK2

not attested not anchored not stored refs pending

A quantitative container characterization of one-sided testability

Cameron Seth, Gaia Carenini, Yuichi Yoshida

arxiv:2608.01523 v1 · 2026-08-02 · math.CO · cs.CC · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HWECUL3BWO32QARPJKY64VUPK2}

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	2026-08-04T02:05:48.258416Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d882a2f61b3b7a8022f4ab1ee568f56b8fb02112913f196b389d7fae96caa82

Aliases

arxiv: 2608.01523 · arxiv_version: 2608.01523v1 · doi: 10.48550/arxiv.2608.01523 · pith_short_12: HWECUL3BWO32 · pith_short_16: HWECUL3BWO32QARP · pith_short_8: HWECUL3B

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/HWECUL3BWO32QARPJKY64VUPK2 \
  | 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: 3d882a2f61b3b7a8022f4ab1ee568f56b8fb02112913f196b389d7fae96caa82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac7c79f60b681ce3cb6a3c1bcbf91a501ea677f4584807967c71bf467d4c06b4",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.DS"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2026-08-02T22:22:22Z",
    "title_canon_sha256": "d9ccf2b7659c917498bb539265ec104818ad15f0d4cbf71e156169735d651fae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.01523",
    "kind": "arxiv",
    "version": 1
  }
}