Pith Number

pith:K2GDE3HU

pith:2019:K2GDE3HUKGTXZGAM4WW3VS4PMN

not attested not anchored not stored refs pending

Some new block designs of dimension three

Coen del Valle, Peter J. Dukes

arxiv:1907.08548 v1 · 2019-07-19 · 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{K2GDE3HUKGTXZGAM4WW3VS4PMN}

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	2026-05-17T23:40:09.438736Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

568c326cf451a77c980ce5adbacb8f63423270f3127c7b66fa5c12656e38cede

Aliases

arxiv: 1907.08548 · arxiv_version: 1907.08548v1 · doi: 10.48550/arxiv.1907.08548 · pith_short_12: K2GDE3HUKGTX · pith_short_16: K2GDE3HUKGTXZGAM · pith_short_8: K2GDE3HU

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/K2GDE3HUKGTXZGAM4WW3VS4PMN \
  | 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: 568c326cf451a77c980ce5adbacb8f63423270f3127c7b66fa5c12656e38cede

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "956b041ad7627f34b5476bb8ea08c06151b224c34d1a3953d238a0dd5afe5b1b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-07-19T15:35:16Z",
    "title_canon_sha256": "60aecb632a4b4a45f32367f75ff5d2c79aaa8c7b225a9b4d9cabe55cff3f2e59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.08548",
    "kind": "arxiv",
    "version": 1
  }
}