Pith Number

pith:LJAERAPA

pith:2018:LJAERAPAUKZ62VOLLVUEHIHTQC

not attested not anchored not stored refs pending

On linear codes and distinct weights

Alessio Meneghetti

arxiv:1804.04373 v2 · 2018-04-12 · math.CO · cs.IT · 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{LJAERAPAUKZ62VOLLVUEHIHTQC}

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	2026-05-18T00:18:04.926642Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a404881e0a2b3ed55cb5d6843a0f3808f0ddfacaf7a061fac4d8fed763cdace

Aliases

arxiv: 1804.04373 · arxiv_version: 1804.04373v2 · doi: 10.48550/arxiv.1804.04373 · pith_short_12: LJAERAPAUKZ6 · pith_short_16: LJAERAPAUKZ62VOL · pith_short_8: LJAERAPA

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/LJAERAPAUKZ62VOLLVUEHIHTQC \
  | 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: 5a404881e0a2b3ed55cb5d6843a0f3808f0ddfacaf7a061fac4d8fed763cdace

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e31f7905a124618ee144ca08d5c7aa0ab2c25a57dc178b77cdb0ebf44d0bede0",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-04-12T08:34:21Z",
    "title_canon_sha256": "a109aa1137b1060d6ae3ca6f8ea52cd16e7161e8c32adf86d2dd669e0a8ee427"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.04373",
    "kind": "arxiv",
    "version": 2
  }
}