Pith Number

pith:WWNK4QMV

pith:2018:WWNK4QMVR2IT72BG44V7CH46RM

not attested not anchored not stored refs pending

Additive quaternary codes related to exceptional linear quaternary codes

Fernanda Pambianco, Juergen Bierbrauer, Stefano Marcugini

arxiv:1804.02468 v1 · 2018-04-06 · 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{WWNK4QMVR2IT72BG44V7CH46RM}

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	2026-05-18T00:18:59.406971Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b59aae41958e913fe826e72bf11f9e8b3f6422ca9d5a2e18f572f718e25ea01b

Aliases

arxiv: 1804.02468 · arxiv_version: 1804.02468v1 · doi: 10.48550/arxiv.1804.02468 · pith_short_12: WWNK4QMVR2IT · pith_short_16: WWNK4QMVR2IT72BG · pith_short_8: WWNK4QMV

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/WWNK4QMVR2IT72BG44V7CH46RM \
  | 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: b59aae41958e913fe826e72bf11f9e8b3f6422ca9d5a2e18f572f718e25ea01b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "770c7a462d8cd4404feba3746747873a7e29df4d698780f3dd60add11eeef973",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-04-06T22:02:39Z",
    "title_canon_sha256": "077bb0524bf7919dcbfe509cbbf8741c873639d58276123e9c38c09e34197a54"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.02468",
    "kind": "arxiv",
    "version": 1
  }
}