Pith Number

pith:25CIUTRF

pith:2011:25CIUTRFKHP653Q2PGZR3EJHPN

not attested not anchored not stored refs pending

Unforgeable Noise-Tolerant Quantum Tokens

Fernando Pastawski, J. Ignacio Cirac, Liang Jiang, Mikhail D. Lukin, Norman Y. Yao

arxiv:1112.5456 v1 · 2011-12-22 · 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{25CIUTRFKHP653Q2PGZR3EJHPN}

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	2026-05-18T03:40:26.354527Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7448a4e2551dfeeee1a79b31d91277b75d9c454ecd3910e39ce04f06ad5ae9e

Aliases

arxiv: 1112.5456 · arxiv_version: 1112.5456v1 · doi: 10.48550/arxiv.1112.5456 · pith_short_12: 25CIUTRFKHP6 · pith_short_16: 25CIUTRFKHP653Q2 · pith_short_8: 25CIUTRF

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/25CIUTRFKHP653Q2PGZR3EJHPN \
  | 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: d7448a4e2551dfeeee1a79b31d91277b75d9c454ecd3910e39ce04f06ad5ae9e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6b325683bd2147dfc95cae1bea7526ad53a9a76edd1ebfd202884a6104a5042",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-12-22T21:00:02Z",
    "title_canon_sha256": "312f55b476939b252a7726c42af28960417ca7a6bf74130acc05e18627308a84"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.5456",
    "kind": "arxiv",
    "version": 1
  }
}