Pith Number

pith:LL2ROZJE

pith:2013:LL2ROZJEIDHH3EJUIOMF55LMWR

not attested not anchored not stored refs pending

Data Secrecy in Distributed Storage Systems under Exact Repair

H. Vincent Poor, Robert Calderbank, Salim El Rouayheb, Sreechakra Goparaju

arxiv:1304.3156 v2 · 2013-04-10 · 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{LL2ROZJEIDHH3EJUIOMF55LMWR}

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	2026-05-18T03:28:16.850827Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5af517652440ce7d913443985ef56cb441625cb022e0320ce4fe9f3c2b080fb6

Aliases

arxiv: 1304.3156 · arxiv_version: 1304.3156v2 · doi: 10.48550/arxiv.1304.3156 · pith_short_12: LL2ROZJEIDHH · pith_short_16: LL2ROZJEIDHH3EJU · pith_short_8: LL2ROZJE

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/LL2ROZJEIDHH3EJUIOMF55LMWR \
  | 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: 5af517652440ce7d913443985ef56cb441625cb022e0320ce4fe9f3c2b080fb6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25132347cc635d8b1a3ee762c7fdacfd54cbb4532808c5401401046078b214c6",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-04-10T21:59:17Z",
    "title_canon_sha256": "3f583e61b2083d9795661fed24c5333e43e21e8b909fc97d1c23f025bb62e70e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.3156",
    "kind": "arxiv",
    "version": 2
  }
}