Pith Number

pith:ELE4MWVW

pith:2017:ELE4MWVWMKL7A554EOISOX4PT3

not attested not anchored not stored refs pending

Construction of symmetric Hadamard matrices

D. A. Karbovskiy, D. Z. Djokovic, M. B. Sergeev, N. A. Balonin, Y. N. Balonin

arxiv:1708.05098 v1 · 2017-08-16 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ELE4MWVWMKL7A554EOISOX4PT3}

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	2026-05-18T00:26:29.283045Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22c9c65ab66297f077bc2391275f8f9ec30a898a510232322e047ef2586e324a

Aliases

arxiv: 1708.05098 · arxiv_version: 1708.05098v1 · doi: 10.48550/arxiv.1708.05098 · pith_short_12: ELE4MWVWMKL7 · pith_short_16: ELE4MWVWMKL7A554 · pith_short_8: ELE4MWVW

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/ELE4MWVWMKL7A554EOISOX4PT3 \
  | 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: 22c9c65ab66297f077bc2391275f8f9ec30a898a510232322e047ef2586e324a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2fabaf48340c0ab808d02f764318aa984ff74bd02e90acbedaf1ceb09a71ea90",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-08-16T22:37:18Z",
    "title_canon_sha256": "a2db01bd29a507776cc519448cbfb236b3012d6729246f507f74f0c51e153137"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.05098",
    "kind": "arxiv",
    "version": 1
  }
}