Pith Number

pith:QO6S5A7B

pith:2013:QO6S5A7BHDXE2PR3UEMH7Z3RQQ

not attested not anchored not stored refs pending

Decentralized Coded Caching Attains Order-Optimal Memory-Rate Tradeoff

Mohammad Ali Maddah-Ali, Urs Niesen

arxiv:1301.5848 v3 · 2013-01-24 · cs.IT · cs.NI · 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{QO6S5A7BHDXE2PR3UEMH7Z3RQQ}

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	2026-05-18T01:33:57.247413Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83bd2e83e138ee4d3e3ba1187fe771840fae2c27fb8f2477ad5b7e18abd73bb9

Aliases

arxiv: 1301.5848 · arxiv_version: 1301.5848v3 · doi: 10.48550/arxiv.1301.5848 · pith_short_12: QO6S5A7BHDXE · pith_short_16: QO6S5A7BHDXE2PR3 · pith_short_8: QO6S5A7B

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/QO6S5A7BHDXE2PR3UEMH7Z3RQQ \
  | 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: 83bd2e83e138ee4d3e3ba1187fe771840fae2c27fb8f2477ad5b7e18abd73bb9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b541a2e4ca8eda70ac510e7d7d521fb28806e47eaecc87b0504c7ba072b0c2fe",
    "cross_cats_sorted": [
      "cs.NI",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-01-24T17:20:32Z",
    "title_canon_sha256": "d3a8671d70f890e453f9790d35efa7e8a2e645946b28eec547145d9a71c93086"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.5848",
    "kind": "arxiv",
    "version": 3
  }
}