Pith Number

pith:56CZLJU3

pith:2013:56CZLJU3TAPIWKESAENKGPYNWW

not attested not anchored not stored refs pending

Explicit Maximally Recoverable Codes with Locality

Bob Jenkins, Cheng Huang, Parikshit Gopalan, Sergey Yekhanin

arxiv:1307.4150 v2 · 2013-07-16 · 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{56CZLJU3TAPIWKESAENKGPYNWW}

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	2026-05-18T03:17:56.152389Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef8595a69b981e8b2892011aa33f0db5b13180b33ce72ac53da63c814c53ec37

Aliases

arxiv: 1307.4150 · arxiv_version: 1307.4150v2 · doi: 10.48550/arxiv.1307.4150 · pith_short_12: 56CZLJU3TAPI · pith_short_16: 56CZLJU3TAPIWKES · pith_short_8: 56CZLJU3

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/56CZLJU3TAPIWKESAENKGPYNWW \
  | 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: ef8595a69b981e8b2892011aa33f0db5b13180b33ce72ac53da63c814c53ec37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8a5ef64764e6934600bbd548f809cf0262f4f77e9b6da94d3d92b55adb9e410",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-07-16T02:33:35Z",
    "title_canon_sha256": "cb1594b7ad3c53c9e3fdbc63aa7da891133a7d8c7bf8045618ad0ccd7385cb44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.4150",
    "kind": "arxiv",
    "version": 2
  }
}