Pith Number

pith:WY5NY4SC

pith:2019:WY5NY4SCQV65EEGUIABIID2IAW

not attested not anchored not stored refs pending

Constructions of Batch Codes via Finite Geometry

Ilya Vorobyev, Nikita Polyanskii

arxiv:1901.06741 v1 · 2019-01-20 · cs.IT · math.CO · 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{WY5NY4SCQV65EEGUIABIID2IAW}

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	2026-05-17T23:55:49.290756Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b63adc7242857dd210d44002840f48058dd8180ba02fdd5ebed0a2b29e56d538

Aliases

arxiv: 1901.06741 · arxiv_version: 1901.06741v1 · doi: 10.48550/arxiv.1901.06741 · pith_short_12: WY5NY4SCQV65 · pith_short_16: WY5NY4SCQV65EEGU · pith_short_8: WY5NY4SC

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/WY5NY4SCQV65EEGUIABIID2IAW \
  | 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: b63adc7242857dd210d44002840f48058dd8180ba02fdd5ebed0a2b29e56d538

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e25a8d577d02a45acf935db04fabb7f886cbb6200683acad19258ffe5ee92bf0",
    "cross_cats_sorted": [
      "math.CO",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-01-20T22:09:28Z",
    "title_canon_sha256": "ef9c3fd6752429fdb5c2aaa6335a7ef95130388982741624096d18c575321b46"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.06741",
    "kind": "arxiv",
    "version": 1
  }
}