Pith Number

pith:MPRSGCMW

pith:2018:MPRSGCMWRNALKC22KSLONAGBNO

not attested not anchored not stored refs pending

The repair problem for Reed-Solomon codes: Optimal repair of single and multiple erasures, asymptotically optimal node size

Alexander Barg, Itzhak Tamo, Min Ye

arxiv:1805.01883 v1 · 2018-05-04 · 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{MPRSGCMWRNALKC22KSLONAGBNO}

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	2026-05-18T00:16:46.375403Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63e32309968b40b50b5a5496e680c16b9ff79f065ce2d5fd44b706b3ac0d6550

Aliases

arxiv: 1805.01883 · arxiv_version: 1805.01883v1 · doi: 10.48550/arxiv.1805.01883 · pith_short_12: MPRSGCMWRNAL · pith_short_16: MPRSGCMWRNALKC22 · pith_short_8: MPRSGCMW

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/MPRSGCMWRNALKC22KSLONAGBNO \
  | 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: 63e32309968b40b50b5a5496e680c16b9ff79f065ce2d5fd44b706b3ac0d6550

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21bdbf8bfca50569371fd5f9a1f0fa1b9bfbcd07526ae1d85e91f88aeb0ae319",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-05-04T17:54:10Z",
    "title_canon_sha256": "08087ea32777457eb91a794a01bf4509b89710a9a36c0cdaeb15c1426256a00e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.01883",
    "kind": "arxiv",
    "version": 1
  }
}