Pith Number

pith:NJKJA6PI

pith:2011:NJKJA6PIOCKFVPFBSQK2GZHLG3

not attested not anchored not stored refs pending

MDS Array Codes with Optimal Rebuilding

Itzhak Tamo, Jehoshua Bruck, Zhiying Wang

arxiv:1103.3737 v1 · 2011-03-19 · cs.IT · cs.DC · 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{NJKJA6PIOCKFVPFBSQK2GZHLG3}

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	2026-05-18T04:26:22.410598Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a549079e870945abca19415a364eb36c7a6383dc0576d1f71fd23d724e6a74c

Aliases

arxiv: 1103.3737 · arxiv_version: 1103.3737v1 · doi: 10.48550/arxiv.1103.3737 · pith_short_12: NJKJA6PIOCKF · pith_short_16: NJKJA6PIOCKFVPFB · pith_short_8: NJKJA6PI

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/NJKJA6PIOCKFVPFBSQK2GZHLG3 \
  | 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: 6a549079e870945abca19415a364eb36c7a6383dc0576d1f71fd23d724e6a74c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d4f15e8ba3a8225057d818273951dfbd26011d749cb56c5395fab84ac2a1385",
    "cross_cats_sorted": [
      "cs.DC",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-03-19T00:41:12Z",
    "title_canon_sha256": "6ae71472ce1f2fb3f838682a736d83c6ace3d9fe20709ddcd8310d5c1a53b7ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.3737",
    "kind": "arxiv",
    "version": 1
  }
}