Pith Number

pith:DDTJP7PX

pith:2020:DDTJP7PXTOSWCY3DNECRYYBJVR

not attested not anchored not stored refs pending

Computer classification of linear codes

Iliya Bouyukliev, Sascha Kurz, Stefka Bouyuklieva

arxiv:2002.07826 v1 · 2020-02-18 · 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{DDTJP7PXTOSWCY3DNECRYYBJVR}

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	2026-07-05T03:15:27.164811Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18e697fdf79ba561636369051c6029ac6509c5b08cb6f0f21c30bd552e46ebf1

Aliases

arxiv: 2002.07826 · arxiv_version: 2002.07826v1 · doi: 10.48550/arxiv.2002.07826 · pith_short_12: DDTJP7PXTOSW · pith_short_16: DDTJP7PXTOSWCY3D · pith_short_8: DDTJP7PX

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/DDTJP7PXTOSWCY3DNECRYYBJVR \
  | 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: 18e697fdf79ba561636369051c6029ac6509c5b08cb6f0f21c30bd552e46ebf1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "212f2bb446f8c29fe539db2a9442af9e46fec56ba47d3a120f4853837b7bcc9c",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2020-02-18T19:01:05Z",
    "title_canon_sha256": "6481e3584082abc2ac993bc3601b6f7d85da08176695538fa5e82e06301e8ebf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.07826",
    "kind": "arxiv",
    "version": 1
  }
}