Pith Number

pith:GEM2YK7W

pith:2015:GEM2YK7WD6A6WTCM323EKYGMPL

not attested not anchored not stored refs pending

Eigenvalues of Gram Matrices of a class of Diagram Algebras

M. Parvathi, N. Karimilla Bi

arxiv:1504.01377 v1 · 2015-04-06 · 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{GEM2YK7WD6A6WTCM323EKYGMPL}

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	2026-05-18T02:19:27.356858Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3119ac2bf61f81eb4c4cdeb64560cc7af37b0e087437368e0587deaa2e1170e2

Aliases

arxiv: 1504.01377 · arxiv_version: 1504.01377v1 · doi: 10.48550/arxiv.1504.01377 · pith_short_12: GEM2YK7WD6A6 · pith_short_16: GEM2YK7WD6A6WTCM · pith_short_8: GEM2YK7W

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/GEM2YK7WD6A6WTCM323EKYGMPL \
  | 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: 3119ac2bf61f81eb4c4cdeb64560cc7af37b0e087437368e0587deaa2e1170e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f17115e80d932105f9a29ed148189fc6d2f1b4e1ef7fc8db36a5b62b6a1302fa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2015-04-06T09:25:59Z",
    "title_canon_sha256": "285893c833a6c34141b337ecdba9f0542d1bd8cea69c9067fa217753ac6d0305"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.01377",
    "kind": "arxiv",
    "version": 1
  }
}