Pith Number

pith:N2SPULBT

pith:2019:N2SPULBT4VN6ZPMUCDF6SVRNEU

not attested not anchored not stored refs pending

Three-weight codes over rings and strongly walk regular graphs

Michael Kiermaier, Minjia Shi, Patrick Sol\'e, Sascha Kurz

arxiv:1912.03892 v1 · 2019-12-09 · 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{N2SPULBT4VN6ZPMUCDF6SVRNEU}

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	2026-07-05T00:24:49.714245Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ea4fa2c33e55becbd9410cbe9562d25141dc73c9d588bccd56045197d17eb87

Aliases

arxiv: 1912.03892 · arxiv_version: 1912.03892v1 · doi: 10.48550/arxiv.1912.03892 · pith_short_12: N2SPULBT4VN6 · pith_short_16: N2SPULBT4VN6ZPMU · pith_short_8: N2SPULBT

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/N2SPULBT4VN6ZPMUCDF6SVRNEU \
  | 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: 6ea4fa2c33e55becbd9410cbe9562d25141dc73c9d588bccd56045197d17eb87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7608f5b655743020f0a0d55fac08f678c1f4f8312c46075e6985a9a61fd96fc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-12-09T08:09:44Z",
    "title_canon_sha256": "c6da436403ae32fd0f778b8a97922f1804337307cf0b267f4bf982b1ec3247f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.03892",
    "kind": "arxiv",
    "version": 1
  }
}