Pith Number

pith:PMOCBJRR

pith:2018:PMOCBJRRZJCCHJOZOAZLLDNBAQ

not attested not anchored not stored refs pending

How many weights can a linear code have ?

G\'erard D. Cohen, Hongwei Zhu, Minjia Shi, Patrick Sol\'e

arxiv:1802.00148 v2 · 2018-02-01 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PMOCBJRRZJCCHJOZOAZLLDNBAQ}

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	2026-05-18T00:17:32.822828Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b1c20a631ca4423a5d97032b58da10415470c144855fa3f35901dca8ba3c95a

Aliases

arxiv: 1802.00148 · arxiv_version: 1802.00148v2 · doi: 10.48550/arxiv.1802.00148 · pith_short_12: PMOCBJRRZJCC · pith_short_16: PMOCBJRRZJCCHJOZ · pith_short_8: PMOCBJRR

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/PMOCBJRRZJCCHJOZOAZLLDNBAQ \
  | 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: 7b1c20a631ca4423a5d97032b58da10415470c144855fa3f35901dca8ba3c95a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "594a0cd1a3f1f2a9e7c42c641e7ec099169080ffe56cac57c03153235f857029",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-02-01T03:48:02Z",
    "title_canon_sha256": "e43ffebf9c2d95c3bb26da81d7ecf0a319df17d20cedf41461cf94a2e2d3070a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.00148",
    "kind": "arxiv",
    "version": 2
  }
}