Pith Number

pith:EFJKMLYE

pith:2017:EFJKMLYEBY3K5ZJZK4QYEJI7FE

not attested not anchored not stored refs pending

Optimal Binary Constant Weight Codes and Affine Linear Groups over Finite Fields

Xiang-dong Hou

arxiv:1707.02315 v1 · 2017-07-07 · 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{EFJKMLYEBY3K5ZJZK4QYEJI7FE}

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	2026-05-18T00:40:39.547412Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2152a62f040e36aee539572182251f291db066aa9e47cf0cf444549ee57f438e

Aliases

arxiv: 1707.02315 · arxiv_version: 1707.02315v1 · doi: 10.48550/arxiv.1707.02315 · pith_short_12: EFJKMLYEBY3K · pith_short_16: EFJKMLYEBY3K5ZJZ · pith_short_8: EFJKMLYE

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/EFJKMLYEBY3K5ZJZK4QYEJI7FE \
  | 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: 2152a62f040e36aee539572182251f291db066aa9e47cf0cf444549ee57f438e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65a8d1d0f94755b08bf1d94404204fe8a96ef9fca6aca62b0e86e904696f2243",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-07-07T18:02:34Z",
    "title_canon_sha256": "bdc2a9889bb982a6de70e1a2a8697332c90c7228a862172bfee395cb3d0c0cbd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.02315",
    "kind": "arxiv",
    "version": 1
  }
}