Pith Number

pith:ZVQWLU27

pith:2017:ZVQWLU27P6YG4KSSVGT74G777Y

not attested not anchored not stored refs pending

On the Characteristic and Permanent Polynomials of a Matrix

Ranveer Singh, R. B. Bapat

arxiv:1701.04420 v3 · 2017-01-16 · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZVQWLU27P6YG4KSSVGT74G777Y}

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	2026-05-18T00:26:46.538251Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd6165d35f7fb06e2a52a9a7fe1bfffe1fae9f38f83e83a526751b7262587d7b

Aliases

arxiv: 1701.04420 · arxiv_version: 1701.04420v3 · doi: 10.48550/arxiv.1701.04420 · pith_short_12: ZVQWLU27P6YG · pith_short_16: ZVQWLU27P6YG4KSS · pith_short_8: ZVQWLU27

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/ZVQWLU27P6YG4KSSVGT74G777Y \
  | 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: cd6165d35f7fb06e2a52a9a7fe1bfffe1fae9f38f83e83a526751b7262587d7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35ad0501767ef6afd4e6c9d7e478dbc5c417906a78ace18d2b2d933a09bba3e3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2017-01-16T19:08:31Z",
    "title_canon_sha256": "7cf5e0022aad031f28a1a9a68f91be36537b11d9d367bb692a54dff620b063bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.04420",
    "kind": "arxiv",
    "version": 3
  }
}