Pith Number

pith:WAP7OTPD

pith:2017:WAP7OTPDZXQB5I665BF45PRLDF

not attested not anchored not stored refs pending

On the Maximum Size of Block Codes Subject to a Distance Criterion

Carol Wang, Ling-Hua Chang, Po-Ning Chen, Vincent Y. F. Tan, Yunghsiang S. Han

arxiv:1706.04709 v2 · 2017-06-15 · cs.IT · math.CO · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WAP7OTPDZXQB5I665BF45PRLDF}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:17:01.832767Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b01ff74de3cde01ea3dee84bcebe2b196b17cda269d81d354d4896193004dbc0

Aliases

arxiv: 1706.04709 · arxiv_version: 1706.04709v2 · doi: 10.48550/arxiv.1706.04709 · pith_short_12: WAP7OTPDZXQB · pith_short_16: WAP7OTPDZXQB5I66 · pith_short_8: WAP7OTPD

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/WAP7OTPDZXQB5I665BF45PRLDF \
  | 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: b01ff74de3cde01ea3dee84bcebe2b196b17cda269d81d354d4896193004dbc0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a63dfdf096fbd638ae764d9c297ec74105d536156496f9026e9f001443ac892",
    "cross_cats_sorted": [
      "math.CO",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-06-15T00:54:55Z",
    "title_canon_sha256": "e7a299686290497de23587a84a66919f7779086114100a10989ac72331a64306"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.04709",
    "kind": "arxiv",
    "version": 2
  }
}