Pith Number

pith:PGITAQPZ

pith:2013:PGITAQPZ5F3DI72JVXZI322O5E

not attested not anchored not stored refs pending

Towards Optimal Secure Distributed Storage Systems with Exact Repair

Ravi Tandon, R. Michael Buehrer, SaiDhiraj Amuru, T. Charles Clancy

arxiv:1310.0054 v2 · 2013-09-30 · 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{PGITAQPZ5F3DI72JVXZI322O5E}

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	2026-05-18T00:58:16.744568Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79913041f9e976347f49adf28deb4ee939e77d2277dcbc969430f6596e6accb5

Aliases

arxiv: 1310.0054 · arxiv_version: 1310.0054v2 · doi: 10.48550/arxiv.1310.0054 · pith_short_12: PGITAQPZ5F3D · pith_short_16: PGITAQPZ5F3DI72J · pith_short_8: PGITAQPZ

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/PGITAQPZ5F3DI72JVXZI322O5E \
  | 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: 79913041f9e976347f49adf28deb4ee939e77d2277dcbc969430f6596e6accb5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "910f5a0fc0a2cbf5ca66bd3cc98a1b4116bed0faa8d2de2d0938df3068217418",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-09-30T20:58:07Z",
    "title_canon_sha256": "4d730714c13c2a0ea1d75321d8e8461913df159c9db1c561d8d5f1002332a08b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.0054",
    "kind": "arxiv",
    "version": 2
  }
}