Pith Number

pith:5UXLJWKC

pith:2013:5UXLJWKCPLQZR2GTNYVGD6SM4R

not attested not anchored not stored refs pending

Efficient Calculation of Determinants of Symbolic Matrices with Many Variables

Tanya Khovanova, Ziv Scully

arxiv:1304.4691 v1 · 2013-04-17 · cs.SC

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Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

Receipt and verification

First computed	2026-05-18T03:27:43.959957Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed2eb4d9427ae198e8d36e2a61fa4ce45f1f5acc0e62625f286ff17dd1fb83ea

Aliases

arxiv: 1304.4691 · arxiv_version: 1304.4691v1 · doi: 10.48550/arxiv.1304.4691

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/5UXLJWKCPLQZR2GTNYVGD6SM4R \
  | 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: ed2eb4d9427ae198e8d36e2a61fa4ce45f1f5acc0e62625f286ff17dd1fb83ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e04ea78bcf18cd2d9df529b283e28294c53233100bcf7416e7701361852644a8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SC",
    "submitted_at": "2013-04-17T05:07:55Z",
    "title_canon_sha256": "0f5b5c53af2b9b261b67ec748d7a871c5d8c26ec93529fe9a54084bc8e3b1a8d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.4691",
    "kind": "arxiv",
    "version": 1
  }
}