Pith Number

pith:RBZRAKGC

pith:2017:RBZRAKGC7U7LDNKMJMY33EIHQJ

not attested not anchored not stored refs pending

$t$-Unique Reductions for M\'esz\'aros's Subdivision Algebra

Darij Grinberg

arxiv:1704.00839 v7 · 2017-04-04 · math.CO · math.QA · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RBZRAKGC7U7LDNKMJMY33EIHQJ}

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	2026-05-18T00:09:47.904374Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88731028c2fd3eb1b54c4b31bd910782627bc29f74821482a9eec24937c3c2df

Aliases

arxiv: 1704.00839 · arxiv_version: 1704.00839v7 · doi: 10.48550/arxiv.1704.00839 · pith_short_12: RBZRAKGC7U7L · pith_short_16: RBZRAKGC7U7LDNKM · pith_short_8: RBZRAKGC

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/RBZRAKGC7U7LDNKMJMY33EIHQJ \
  | 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: 88731028c2fd3eb1b54c4b31bd910782627bc29f74821482a9eec24937c3c2df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b25a481ea82fb53632c922e9a00b9f752ccf262f84c224309a55b3c3a2922861",
    "cross_cats_sorted": [
      "math.QA",
      "math.RA"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-04-04T00:07:01Z",
    "title_canon_sha256": "3bb7708a798ed08c4424afbeb149ec167c9c1233717142f9f803d2bbba22fb65"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.00839",
    "kind": "arxiv",
    "version": 7
  }
}