Pith Number

pith:QKH4GBZP

pith:2016:QKH4GBZPSCA2EIV5TNJEYO3VLK

not attested not anchored not stored refs pending

On Optimal Heterogeneous Regenerating Codes

Krishna Gopal Benerjee, Manish K. Gupta

arxiv:1607.06313 v1 · 2016-07-21 · 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{QKH4GBZPSCA2EIV5TNJEYO3VLK}

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	2026-05-18T01:10:42.065847Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

828fc3072f9081a222bd9b524c3b755ab81ecd61ccc5f2a3bf7c6b81a66dd886

Aliases

arxiv: 1607.06313 · arxiv_version: 1607.06313v1 · doi: 10.48550/arxiv.1607.06313 · pith_short_12: QKH4GBZPSCA2 · pith_short_16: QKH4GBZPSCA2EIV5 · pith_short_8: QKH4GBZP

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/QKH4GBZPSCA2EIV5TNJEYO3VLK \
  | 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: 828fc3072f9081a222bd9b524c3b755ab81ecd61ccc5f2a3bf7c6b81a66dd886

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f94429f29a1b8863cf773f6ece39c2d6b4581350293baa9aa9bd036a5d49ae6",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-07-21T13:24:15Z",
    "title_canon_sha256": "f370557d45cfcbf0d527e6f353429bb4bd3bdeb9975862b494363a2dad5bb320"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.06313",
    "kind": "arxiv",
    "version": 1
  }
}