Pith Number

pith:YIXYXF5N

pith:2010:YIXYXF5NUKXEO4VP7EP7VK3HPG

not attested not anchored not stored refs pending

Position-Based Quantum Cryptography

Nishanth Chandran, Rafail Ostrovsky, Ran Gelles, Serge Fehr, Vipul Goyal

arxiv:1005.1750 v2 · 2010-05-11 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YIXYXF5NUKXEO4VP7EP7VK3HPG}

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	2026-05-18T04:40:45.046172Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c22f8b97ada2ae4772aff91ffaab6779990af1cec781b59c750c77c4ce4af674

Aliases

arxiv: 1005.1750 · arxiv_version: 1005.1750v2 · doi: 10.48550/arxiv.1005.1750 · pith_short_12: YIXYXF5NUKXE · pith_short_16: YIXYXF5NUKXEO4VP · pith_short_8: YIXYXF5N

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/YIXYXF5NUKXEO4VP7EP7VK3HPG \
  | 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: c22f8b97ada2ae4772aff91ffaab6779990af1cec781b59c750c77c4ce4af674

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40ee579b12031b2642fc2dc8c487463f79fb695356978e7a7dd65b0a59088537",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-05-11T08:26:16Z",
    "title_canon_sha256": "2f2ad1d9dfe18c3ca3e18c3e33d7ec43337ff90ccf0e55e9ec81f88cff034406"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.1750",
    "kind": "arxiv",
    "version": 2
  }
}