Pith Number

pith:DXQZOYOU

pith:2019:DXQZOYOUAAZ2QHALAH3RT34AXQ

not attested not anchored not stored refs pending

On an Equivalence Between Single-Server PIR with Side Information and Locally Recoverable Codes

Alex Sprintson, Anoosheh Heidarzadeh, O. Ozan Koyluoglu, Swanand Kadhe

arxiv:1907.00598 v1 · 2019-07-01 · 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{DXQZOYOUAAZ2QHALAH3RT34AXQ}

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	2026-05-17T23:41:51.078358Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1de19761d40033a81c0b01f719ef80bc27e6d3b0ee8d9e26395ea9a3f17f8607

Aliases

arxiv: 1907.00598 · arxiv_version: 1907.00598v1 · doi: 10.48550/arxiv.1907.00598 · pith_short_12: DXQZOYOUAAZ2 · pith_short_16: DXQZOYOUAAZ2QHAL · pith_short_8: DXQZOYOU

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/DXQZOYOUAAZ2QHALAH3RT34AXQ \
  | 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: 1de19761d40033a81c0b01f719ef80bc27e6d3b0ee8d9e26395ea9a3f17f8607

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6bef15fd7432011c1940b9f66a048238be2d4971936fcb537ca727529ae1c951",
    "cross_cats_sorted": [
      "cs.CR",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-07-01T08:16:59Z",
    "title_canon_sha256": "59a3284f2e4f3924a59c17e377f930c00d3e28920daeca576fad7abf0d1fe913"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.00598",
    "kind": "arxiv",
    "version": 1
  }
}