Pith Number

pith:VCEKFILA

pith:2018:VCEKFILAZZSR6GWKAEM7PQUYUW

not attested not anchored not stored refs pending

Optimal locally repairable codes of distance $3$ and $4$ via cyclic codes

Chaoping Xing, Chen Yuan, Yuan Luo

arxiv:1801.03623 v1 · 2018-01-11 · 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{VCEKFILAZZSR6GWKAEM7PQUYUW}

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	2026-05-18T00:26:13.765799Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a888a2a160ce651f1aca0119f7c298a5ab99b562ea9af5688721cc4efefd05d9

Aliases

arxiv: 1801.03623 · arxiv_version: 1801.03623v1 · doi: 10.48550/arxiv.1801.03623 · pith_short_12: VCEKFILAZZSR · pith_short_16: VCEKFILAZZSR6GWK · pith_short_8: VCEKFILA

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/VCEKFILAZZSR6GWKAEM7PQUYUW \
  | 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: a888a2a160ce651f1aca0119f7c298a5ab99b562ea9af5688721cc4efefd05d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8496b43ebfcea44882fd1a07d55bd8a0181033660cd1183f5f497283e98724df",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-01-11T03:26:40Z",
    "title_canon_sha256": "74ed6930fc8e0587d6b0b286017d5d5ee2778a6e908694ec700b5a679e715d87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.03623",
    "kind": "arxiv",
    "version": 1
  }
}