Pith Number

pith:7MRDWFBO

pith:2015:7MRDWFBO3SEJ3HDEC5OOHI2ROC

not attested not anchored not stored refs pending

Gram Matrices and Stirling numbers of a class of Diagram Algebras

M. Parvathi, N. Karimilla Bi

arxiv:1504.01241 v2 · 2015-04-06 · math.RA · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7MRDWFBO3SEJ3HDEC5OOHI2ROC}

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	2026-05-18T01:37:10.912519Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb223b142edc889d9c64175ce3a3517083c6a778ab40aec499f06be7184fdd19

Aliases

arxiv: 1504.01241 · arxiv_version: 1504.01241v2 · doi: 10.48550/arxiv.1504.01241 · pith_short_12: 7MRDWFBO3SEJ · pith_short_16: 7MRDWFBO3SEJ3HDE · pith_short_8: 7MRDWFBO

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/7MRDWFBO3SEJ3HDEC5OOHI2ROC \
  | 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: fb223b142edc889d9c64175ce3a3517083c6a778ab40aec499f06be7184fdd19

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa53280a685f2d48cf3b87cd1098ac6f70b476780d5b9890e2deb8172353389b",
    "cross_cats_sorted": [
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2015-04-06T09:12:27Z",
    "title_canon_sha256": "00a0e6347fcef6ddc94cfc7264730ffe8714327928516d550099377ef7d79650"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.01241",
    "kind": "arxiv",
    "version": 2
  }
}