Pith Number

pith:GP3Z2USB

pith:2014:GP3Z2USBCXTIOR5UH5WEDSWNLC

not attested not anchored not stored refs pending

Quantum Benchmark via an Uncertainty Product of Canonical Variables

Koji Azuma, Ryo Namiki

arxiv:1404.2643 v2 · 2014-04-09 · 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{GP3Z2USBCXTIOR5UH5WEDSWNLC}

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	2026-05-18T02:19:36.220923Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33f79d524115e68747b43f6c41cacd589bf9bd4e855e168df2190f63a6ea461c

Aliases

arxiv: 1404.2643 · arxiv_version: 1404.2643v2 · doi: 10.48550/arxiv.1404.2643 · pith_short_12: GP3Z2USBCXTI · pith_short_16: GP3Z2USBCXTIOR5U · pith_short_8: GP3Z2USB

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/GP3Z2USBCXTIOR5UH5WEDSWNLC \
  | 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: 33f79d524115e68747b43f6c41cacd589bf9bd4e855e168df2190f63a6ea461c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab1b2e0c7797e16203f3d3816396d970e3e0a86b9a455e2349dd4184b77a470c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-04-09T22:08:56Z",
    "title_canon_sha256": "e97005b1e02a7af10dab7faf57b4011293c04fe91236fce0637aa89b2dcb3d0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.2643",
    "kind": "arxiv",
    "version": 2
  }
}