Pith Number

pith:HNZVAFKO

pith:2016:HNZVAFKOIIYPSFD5DJVB3PB4HY

not attested not anchored not stored refs pending

The Capacity of Private Information Retrieval from Coded Databases

Karim Banawan, Sennur Ulukus

arxiv:1609.08138 v1 · 2016-09-26 · cs.IT · cs.CR · 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{HNZVAFKOIIYPSFD5DJVB3PB4HY}

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	2026-05-18T01:03:54.323885Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b7350154e4230f9147d1a6a1dbc3c3e30ce40222f04c9da74c6be17308e7538

Aliases

arxiv: 1609.08138 · arxiv_version: 1609.08138v1 · doi: 10.48550/arxiv.1609.08138 · pith_short_12: HNZVAFKOIIYP · pith_short_16: HNZVAFKOIIYPSFD5 · pith_short_8: HNZVAFKO

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/HNZVAFKOIIYPSFD5DJVB3PB4HY \
  | 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: 3b7350154e4230f9147d1a6a1dbc3c3e30ce40222f04c9da74c6be17308e7538

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a40ea7f24099d2d01c353ec0b5eadbe1eeb54c00ca88048d8a08f90294996468",
    "cross_cats_sorted": [
      "cs.CR",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-09-26T19:49:02Z",
    "title_canon_sha256": "8cedbe1f465885ff5de6e948b5368b5f1aeb85a2c26a8aec73cebedf939ddaad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.08138",
    "kind": "arxiv",
    "version": 1
  }
}