Pith Number

pith:UCOKSCYB

pith:2016:UCOKSCYBGHPDAE46KJROOYZVQW

not attested not anchored not stored refs pending

Rota's Classification Problem, rewriting systems and Gr\"obner-Shirshov bases

Li Guo, Xing Gao

arxiv:1601.04254 v1 · 2016-01-17 · math.RA · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UCOKSCYBGHPDAE46KJROOYZVQW}

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	2026-05-18T00:27:55.383768Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a09ca90b0131de30139e5262e76335859c014724632f2e048d3545d096a36af1

Aliases

arxiv: 1601.04254 · arxiv_version: 1601.04254v1 · doi: 10.48550/arxiv.1601.04254 · pith_short_12: UCOKSCYBGHPD · pith_short_16: UCOKSCYBGHPDAE46 · pith_short_8: UCOKSCYB

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/UCOKSCYBGHPDAE46KJROOYZVQW \
  | 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: a09ca90b0131de30139e5262e76335859c014724632f2e048d3545d096a36af1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69737b191ab211ab04cf0e97ef87b1e95405ed7400a87b71c66eb4b67e3aa933",
    "cross_cats_sorted": [
      "math.CT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2016-01-17T06:06:23Z",
    "title_canon_sha256": "585a3f12612aee210cf9ef3ca8be5777d0ed7d35fd8f5b9b5f4f34aedbd25d9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.04254",
    "kind": "arxiv",
    "version": 1
  }
}