Pith Number

pith:2ROORRA5

pith:2019:2ROORRA5ZEU54BFLKI2J72FFZA

not attested not anchored not stored refs pending

Improved Storage for Efficient Private Information Retrieval

Batuhan Arasli, Karim Banawan, Sennur Ulukus

arxiv:1908.11366 v1 · 2019-08-29 · 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{2ROORRA5ZEU54BFLKI2J72FFZA}

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	2026-07-05T00:00:32.935302Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d45ce8c41dc929de04ab52349fe8a5c81d8bb3e3d114f39e1b0a1d74ebf0769f

Aliases

arxiv: 1908.11366 · arxiv_version: 1908.11366v1 · doi: 10.48550/arxiv.1908.11366 · pith_short_12: 2ROORRA5ZEU5 · pith_short_16: 2ROORRA5ZEU54BFL · pith_short_8: 2ROORRA5

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/2ROORRA5ZEU54BFLKI2J72FFZA \
  | 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: d45ce8c41dc929de04ab52349fe8a5c81d8bb3e3d114f39e1b0a1d74ebf0769f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43f1e93094845cb517704319b8f4ffd2b76084016dd19bc5b07c3b709927d621",
    "cross_cats_sorted": [
      "cs.CR",
      "cs.DB",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-08-29T17:52:01Z",
    "title_canon_sha256": "7918e27fcf9dc97195238702eeafc5b7a70e82ae0d2be3a2fd979b03ba45c4e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.11366",
    "kind": "arxiv",
    "version": 1
  }
}