Pith Number

pith:CZG5XTJC

pith:2017:CZG5XTJCLZ3PTGFPEX3M7YEVO7

not attested not anchored not stored refs pending

Generalization of a Hadamard type inequality for permanents

Bero Roos

arxiv:1709.05225 v2 · 2017-09-15 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CZG5XTJCLZ3PTGFPEX3M7YEVO7}

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	2026-05-17T23:52:34.246903Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

164ddbcd225e76f998af25f6cfe09577ff99c1770f0490b0a5f1d842867b9750

Aliases

arxiv: 1709.05225 · arxiv_version: 1709.05225v2 · doi: 10.48550/arxiv.1709.05225 · pith_short_12: CZG5XTJCLZ3P · pith_short_16: CZG5XTJCLZ3PTGFP · pith_short_8: CZG5XTJC

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/CZG5XTJCLZ3PTGFPEX3M7YEVO7 \
  | 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: 164ddbcd225e76f998af25f6cfe09577ff99c1770f0490b0a5f1d842867b9750

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23f83a09b4617064d16217de0981b7641583b5d470f4019fc1c1f58796f00b7d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2017-09-15T14:12:43Z",
    "title_canon_sha256": "698e192b193eea1ce6baf4b989119ce70c26c0182f447fe43c9e448986f2f49d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.05225",
    "kind": "arxiv",
    "version": 2
  }
}