Pith Number

pith:O5TFEECI

pith:2018:O5TFEECIDAKND453YJMO5CCEKN

not attested not anchored not stored refs pending

Construction of optimal locally recoverable codes and connection with hypergraph

Chaoping Xing, Chen Yuan

arxiv:1811.09142 v2 · 2018-11-22 · 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{O5TFEECIDAKND453YJMO5CCEKN}

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.

Cited by

1 paper in Pith

Locality for Codes over the Integers

Receipt and verification

First computed	2026-05-17T23:59:57.369640Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77665210481814d1f3bbc258ee88445367ecd4ceb4a01f8003fd00228001d7ad

Aliases

arxiv: 1811.09142 · arxiv_version: 1811.09142v2 · doi: 10.48550/arxiv.1811.09142 · pith_short_12: O5TFEECIDAKN · pith_short_16: O5TFEECIDAKND453 · pith_short_8: O5TFEECI

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/O5TFEECIDAKND453YJMO5CCEKN \
  | 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: 77665210481814d1f3bbc258ee88445367ecd4ceb4a01f8003fd00228001d7ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d39d3fd291c5be5c2ddc5c51dc57efa94fe75b9f2d8cb8b025be4cb7e76b37e",
    "cross_cats_sorted": [
      "math.CO",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-11-22T12:46:49Z",
    "title_canon_sha256": "9aa6287e19efeda3d448b1350a235e9844aa185f6a55b11a774b9f7e36875635"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.09142",
    "kind": "arxiv",
    "version": 2
  }
}