Pith Number

pith:5YAQKRUC

pith:2019:5YAQKRUCO7L3QIL34GPLGBNXYF

not attested not anchored not stored refs pending

M-Ambiguity Sequences for Parikh Matrices and Their Periodicity Revisited

Ghajendran Poovanandran, Wen Chean Teh

arxiv:1901.03937 v1 · 2019-01-13 · 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{5YAQKRUCO7L3QIL34GPLGBNXYF}

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	2026-05-17T23:56:26.680935Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee0105468277d7b8217be19eb305b7c17613926b3b4907c44ec9419e7a6d010e

Aliases

arxiv: 1901.03937 · arxiv_version: 1901.03937v1 · doi: 10.48550/arxiv.1901.03937 · pith_short_12: 5YAQKRUCO7L3 · pith_short_16: 5YAQKRUCO7L3QIL3 · pith_short_8: 5YAQKRUC

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/5YAQKRUCO7L3QIL34GPLGBNXYF \
  | 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: ee0105468277d7b8217be19eb305b7c17613926b3b4907c44ec9419e7a6d010e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a55dfdde84b1eaeca2f94ccb040b0f8aa251f5673acf46925070174d18fb436",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-01-13T06:30:57Z",
    "title_canon_sha256": "d446c2bb751b52a615b9bf5ea213a65a785a475826e5803c3703858b50dc1a3e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.03937",
    "kind": "arxiv",
    "version": 1
  }
}