Pith Number

pith:ZTVITGMA

pith:2013:ZTVITGMAGBW527LSBCSY2YQ64A

not attested not anchored not stored refs pending

Optimal Locally Repairable Linear Codes

Chau Yuen, Son Hoang Dau, Tiffany Jing Li, Wentu Song

arxiv:1307.1961 v1 · 2013-07-08 · 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{ZTVITGMAGBW527LSBCSY2YQ64A}

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	2026-05-18T03:19:02.969957Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ccea899980306ddd7d7208a58d621ee03dbe3264e62db960ee114c44fdb9f39a

Aliases

arxiv: 1307.1961 · arxiv_version: 1307.1961v1 · doi: 10.48550/arxiv.1307.1961 · pith_short_12: ZTVITGMAGBW5 · pith_short_16: ZTVITGMAGBW527LS · pith_short_8: ZTVITGMA

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/ZTVITGMAGBW527LSBCSY2YQ64A \
  | 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: ccea899980306ddd7d7208a58d621ee03dbe3264e62db960ee114c44fdb9f39a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4752da2fbffaed2346b9ce42e4a644f500453f2611143be70add7cb4fbb60b6",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-07-08T07:03:09Z",
    "title_canon_sha256": "728abc889b02818ae46cc3c366975cfd2679824ec421c85b58fcbb45237ba80b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.1961",
    "kind": "arxiv",
    "version": 1
  }
}