Pith Number

pith:4KWWLZ7T

pith:2019:4KWWLZ7TLGHOW5KQNH57NLLLE5

not attested not anchored not stored refs pending

Efficient and Explicit Balanced Primer Codes

Han Mao Kiah, Hengjia Wei, Yeow Meng Chee

arxiv:1901.01023 v1 · 2019-01-04 · cs.IT · math.CO · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4KWWLZ7TLGHOW5KQNH57NLLLE5}

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	2026-05-17T23:56:57.363418Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2ad65e7f3598eeb755069fbf6ad6b277c882bb3259c3f34c65564845fc61d37

Aliases

arxiv: 1901.01023 · arxiv_version: 1901.01023v1 · doi: 10.48550/arxiv.1901.01023 · pith_short_12: 4KWWLZ7TLGHO · pith_short_16: 4KWWLZ7TLGHOW5KQ · pith_short_8: 4KWWLZ7T

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/4KWWLZ7TLGHOW5KQNH57NLLLE5 \
  | 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: e2ad65e7f3598eeb755069fbf6ad6b277c882bb3259c3f34c65564845fc61d37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68cedc362e8cf0115e4744e0ab429aeabe81e09442b43efc9d2e9df9507d6b7f",
    "cross_cats_sorted": [
      "math.CO",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-01-04T08:51:41Z",
    "title_canon_sha256": "e8ba24ce9e517c8e508be4f8f12cccfc3a72a22b89f70d47fb8cfb2b8c0670f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.01023",
    "kind": "arxiv",
    "version": 1
  }
}