Pith Number

pith:7O56LQER

pith:2015:7O56LQERCHQVDHQ5AAQEM2BAQE

not attested not anchored not stored refs pending

The Storage-Repair-Bandwidth Trade-off of Exact Repair Linear Regenerating Codes for the Case $d = k = n-1$

M. Nikhil Krishnan, N. Prakash

arxiv:1501.03983 v2 · 2015-01-16 · 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{7O56LQERCHQVDHQ5AAQEM2BAQE}

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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	2026-05-18T02:28:47.257803Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbbbe5c09111e1519e1d0020466820812f269ed34a26519ff271150a6185a955

Aliases

arxiv: 1501.03983 · arxiv_version: 1501.03983v2 · doi: 10.48550/arxiv.1501.03983 · pith_short_12: 7O56LQERCHQV · pith_short_16: 7O56LQERCHQVDHQ5 · pith_short_8: 7O56LQER

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/7O56LQERCHQVDHQ5AAQEM2BAQE \
  | 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: fbbbe5c09111e1519e1d0020466820812f269ed34a26519ff271150a6185a955

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9cf8c8305256710a1dfafb76c99b735c753f2b1e7534cdb10869c4826802b11",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-01-16T13:57:46Z",
    "title_canon_sha256": "0ddc6b7ade91ad5aa80e0f4a86c683d1d2a609fe3ad9dad44266c3b164582a77"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.03983",
    "kind": "arxiv",
    "version": 2
  }
}