Pith Number

pith:OYU4GZ3Z

pith:2016:OYU4GZ3Z2HTHNOH6GSWG5KZ73H

not attested not anchored not stored refs pending

PIR Array Codes with Optimal Virtual Server Rate

Simon Blackburn, Tuvi Etzion

arxiv:1607.00235 v6 · 2016-07-01 · 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{OYU4GZ3Z2HTHNOH6GSWG5KZ73H}

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	2026-05-18T00:24:22.828606Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7629c36779d1e676b8fe34ac6eab3fd9f2f750f667a8aee6510e6cce938983ff

Aliases

arxiv: 1607.00235 · arxiv_version: 1607.00235v6 · doi: 10.48550/arxiv.1607.00235 · pith_short_12: OYU4GZ3Z2HTH · pith_short_16: OYU4GZ3Z2HTHNOH6 · pith_short_8: OYU4GZ3Z

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/OYU4GZ3Z2HTHNOH6GSWG5KZ73H \
  | 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: 7629c36779d1e676b8fe34ac6eab3fd9f2f750f667a8aee6510e6cce938983ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a2bff48791f8cf1607c2eba7dad33681bf81b5eefe98ca02285bf851a0eb66f",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-07-01T13:25:52Z",
    "title_canon_sha256": "2d900be2d1288abc1ced0ef6afd4a5e5df989a543e79a51774ab0bb9c4fd72ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.00235",
    "kind": "arxiv",
    "version": 6
  }
}