Pith Number

pith:K3AEIPP2

pith:2011:K3AEIPP2JWJZARH4EKFJGRX232

not attested not anchored not stored refs pending

Construction, classification and parametrization of complex Hadamard matrices

Ferenc Sz\"oll\H{o}si

arxiv:1110.5590 v1 · 2011-10-25 · math.CO · math.OA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K3AEIPP2JWJZARH4EKFJGRX232}

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	2026-05-18T04:10:22.544857Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56c0443dfa4d939044fc228a9346fadeb5ab8269f9bba7925b4b045d813dac91

Aliases

arxiv: 1110.5590 · arxiv_version: 1110.5590v1 · doi: 10.48550/arxiv.1110.5590 · pith_short_12: K3AEIPP2JWJZ · pith_short_16: K3AEIPP2JWJZARH4 · pith_short_8: K3AEIPP2

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/K3AEIPP2JWJZARH4EKFJGRX232 \
  | 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: 56c0443dfa4d939044fc228a9346fadeb5ab8269f9bba7925b4b045d813dac91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93135063e71adb33b04e09a0c2929c331429acff1f1442e529e41c427d3f805a",
    "cross_cats_sorted": [
      "math.OA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-10-25T17:44:45Z",
    "title_canon_sha256": "d0ee94808dd72d62e04fe0eff01dea6a830deff114fd5e26891bff631ba51436"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.5590",
    "kind": "arxiv",
    "version": 1
  }
}