Pith Number

pith:YTP3SYA5

pith:2019:YTP3SYA5LZQLWYJZ3PGP4DT5NF

not attested not anchored not stored refs pending

On Quantum Advantage in Information Theoretic Single-Server PIR

Ayal Green, Ching-Yi Lai, Dorit Aharonov, Kai-Min Chung, Or Sattath, Zvika Brakerski

arxiv:1902.09768 v1 · 2019-02-26 · quant-ph · cs.CR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YTP3SYA5LZQLWYJZ3PGP4DT5NF}

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	2026-07-05T00:45:32.278383Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4dfb9601d5e60bb6139dbccfe0e7d69406b5eaa73d8030d6a52764d86d4f808

Aliases

arxiv: 1902.09768 · arxiv_version: 1902.09768v1 · doi: 10.48550/arxiv.1902.09768 · pith_short_12: YTP3SYA5LZQL · pith_short_16: YTP3SYA5LZQLWYJZ · pith_short_8: YTP3SYA5

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/YTP3SYA5LZQLWYJZ3PGP4DT5NF \
  | 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: c4dfb9601d5e60bb6139dbccfe0e7d69406b5eaa73d8030d6a52764d86d4f808

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a6b1aca3d6511febdf553d783e140df6fa7e0362bc6a21805474c9aff418f7d",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-02-26T07:15:15Z",
    "title_canon_sha256": "b530d135124f5758eaf61aecf6d55939a0357dccdf8f38f8401464e7f4f98008"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.09768",
    "kind": "arxiv",
    "version": 1
  }
}