Pith Number

pith:6MFQ4W7T

pith:2015:6MFQ4W7TZBEFRANTV2DYHNHTPQ

not attested not anchored not stored refs pending

Parikh Matrices and Strong M-Equivalence

Wen Chean Teh

arxiv:1501.07354 v2 · 2015-01-29 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6MFQ4W7TZBEFRANTV2DYHNHTPQ}

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	2026-05-18T01:40:59.107858Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f30b0e5bf3c8485881b3ae8783b4f37c0d377ea13add91efd7c5460e233807b1

Aliases

arxiv: 1501.07354 · arxiv_version: 1501.07354v2 · doi: 10.48550/arxiv.1501.07354 · pith_short_12: 6MFQ4W7TZBEF · pith_short_16: 6MFQ4W7TZBEFRANT · pith_short_8: 6MFQ4W7T

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/6MFQ4W7TZBEFRANTV2DYHNHTPQ \
  | 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: f30b0e5bf3c8485881b3ae8783b4f37c0d377ea13add91efd7c5460e233807b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c1dab1e024d642b7845bee457feba44a5ec24f430416073a8232d7c29fc4528",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-01-29T06:47:44Z",
    "title_canon_sha256": "0b555ff1210969534890ba41f14f5749b91dfa31e179bc76c4667cfe3a75f5b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.07354",
    "kind": "arxiv",
    "version": 2
  }
}