Pith Number

pith:FDWIMBIJ

pith:2014:FDWIMBIJQYWR3KMRXCZRZX752Z

not attested not anchored not stored refs pending

Layered, Exact-Repair Regenerating Codes Via Embedded Error Correction and Block Designs

Birenjith Sasidharan, Chao Tian, P. Vijay Kumar, Vaneet Aggarwal, Vinay A. Vaishampayan

arxiv:1408.0377 v1 · 2014-08-02 · 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{FDWIMBIJQYWR3KMRXCZRZX752Z}

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	2026-05-18T00:38:44.294400Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28ec860509862d1da991b8b31cdffdd64eb92ee72d1cee91916d0590d3dca421

Aliases

arxiv: 1408.0377 · arxiv_version: 1408.0377v1 · doi: 10.48550/arxiv.1408.0377 · pith_short_12: FDWIMBIJQYWR · pith_short_16: FDWIMBIJQYWR3KMR · pith_short_8: FDWIMBIJ

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/FDWIMBIJQYWR3KMRXCZRZX752Z \
  | 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: 28ec860509862d1da991b8b31cdffdd64eb92ee72d1cee91916d0590d3dca421

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9ab2a00c5181b0405a312cbb9853bcb79c126a34e69ee10b7146d2d56c2468d",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-08-02T14:46:04Z",
    "title_canon_sha256": "bdabfe131f65477a9c1c4e02ec21d738d7796bd8eaa771ef94488c5149e840dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.0377",
    "kind": "arxiv",
    "version": 1
  }
}