Pith Number

pith:Q5PBWN5W

pith:2016:Q5PBWN5WNAJ6ELBY2LMHWVRWVR

not attested not anchored not stored refs pending

On private information retrieval array codes

Gennian Ge, Hengjia Wei, Xin Wang, Yiwei Zhang

arxiv:1609.09167 v1 · 2016-09-29 · 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{Q5PBWN5WNAJ6ELBY2LMHWVRWVR}

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	2026-05-18T01:03:38.618627Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

875e1b37b66813e22c38d2d87b5636ac4b4797d3a720b06c4a1bb59e97dce5c6

Aliases

arxiv: 1609.09167 · arxiv_version: 1609.09167v1 · doi: 10.48550/arxiv.1609.09167 · pith_short_12: Q5PBWN5WNAJ6 · pith_short_16: Q5PBWN5WNAJ6ELBY · pith_short_8: Q5PBWN5W

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/Q5PBWN5WNAJ6ELBY2LMHWVRWVR \
  | 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: 875e1b37b66813e22c38d2d87b5636ac4b4797d3a720b06c4a1bb59e97dce5c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e97a23cdbc7ac4f2f2df4c5281364cc0a9aefb79a7b3a02295132c9d3fe52d7",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-09-29T01:40:05Z",
    "title_canon_sha256": "b0f37c6f7f3e67f7b09fc3f22fbb5df364f1e1f8ad12148950fa5190474b365c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.09167",
    "kind": "arxiv",
    "version": 1
  }
}