Pith Number

pith:C4USNLZ3

pith:2018:C4USNLZ344QC6FDEWDDDKIYTSO

not attested not anchored not stored refs pending

The Capacity of Private Information Retrieval from Decentralized Uncoded Caching Databases

Batuhan Arasli, Karim Banawan, Sennur Ulukus, Yi-Peng Wei

arxiv:1811.11160 v1 · 2018-11-27 · cs.IT · cs.CR · cs.DB · 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{C4USNLZ344QC6FDEWDDDKIYTSO}

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	2026-05-17T23:59:45.124692Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

172926af3be7202f1464b0c6352313938d332a36f4114cce6800b5593b0f7ff1

Aliases

arxiv: 1811.11160 · arxiv_version: 1811.11160v1 · doi: 10.48550/arxiv.1811.11160 · pith_short_12: C4USNLZ344QC · pith_short_16: C4USNLZ344QC6FDE · pith_short_8: C4USNLZ3

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/C4USNLZ344QC6FDEWDDDKIYTSO \
  | 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: 172926af3be7202f1464b0c6352313938d332a36f4114cce6800b5593b0f7ff1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee83139d69263199012ab03982e6148c222753e39ac2435aebfb0c01f95d4f99",
    "cross_cats_sorted": [
      "cs.CR",
      "cs.DB",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-11-27T18:51:12Z",
    "title_canon_sha256": "5e228bde75823549b92ade68dbc64551cebd39a8a294786606c86de830aadc06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.11160",
    "kind": "arxiv",
    "version": 1
  }
}