Pith Number

pith:M7SP7DE7

pith:2025:M7SP7DE7TEAEOO3CVVHEJOPSNL

not attested not anchored not stored refs pending

Algorithmic Problems in Categories of Partitions

Nicolas Faro{\ss}, Sebastian Volz

arxiv:2502.05373 v1 · 2025-02-07 · cs.DS · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M7SP7DE7TEAEOO3CVVHEJOPSNL}

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	2026-07-05T10:11:37.106637Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67e4ff8c9f9900473b62ad4e44b9f26af800808ffa2b164691355b883c65fc7a

Aliases

arxiv: 2502.05373 · arxiv_version: 2502.05373v1 · doi: 10.48550/arxiv.2502.05373 · pith_short_12: M7SP7DE7TEAE · pith_short_16: M7SP7DE7TEAEOO3C · pith_short_8: M7SP7DE7

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/M7SP7DE7TEAEOO3CVVHEJOPSNL \
  | 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: 67e4ff8c9f9900473b62ad4e44b9f26af800808ffa2b164691355b883c65fc7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9105b869a56afc34a6ea4e6f6cfa7b9a8157ececc1e01cfda9fd3b4210c3f0a2",
    "cross_cats_sorted": [
      "math.QA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2025-02-07T22:54:55Z",
    "title_canon_sha256": "6abda356a1ff581ff9675b0ee03392e88a06ff0f0c558a225c20ba666b046d75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.05373",
    "kind": "arxiv",
    "version": 1
  }
}