Pith Number

pith:CLL5GINA

pith:2013:CLL5GINAAZUSEZMIBIDNOINKFH

not attested not anchored not stored refs pending

Reconstruction and Repair Degree of Fractional Repetition Codes

Krishna Gopal Benerjee, Manish K. Gupta, Nikhil Agrawal

arxiv:1305.4580 v1 · 2013-05-20 · 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{CLL5GINAAZUSEZMIBIDNOINKFH}

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	2026-05-18T03:25:16.644186Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12d7d321a006692265880a06d721aa29c6506f621d9b3ca19e16c9884668674b

Aliases

arxiv: 1305.4580 · arxiv_version: 1305.4580v1 · doi: 10.48550/arxiv.1305.4580 · pith_short_12: CLL5GINAAZUS · pith_short_16: CLL5GINAAZUSEZMI · pith_short_8: CLL5GINA

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/CLL5GINAAZUSEZMIBIDNOINKFH \
  | 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: 12d7d321a006692265880a06d721aa29c6506f621d9b3ca19e16c9884668674b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a68ef36e328178cd3abe6e733ac6c6b75a0f685d2c9ff0485df9504cfe6b090d",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-05-20T17:21:30Z",
    "title_canon_sha256": "a078efe4cf983e17692b962609480037aad4a78d1d86a2c308ce611716113202"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.4580",
    "kind": "arxiv",
    "version": 1
  }
}