Pith Number

pith:CBLRBOPZ

pith:2012:CBLRBOPZ7K56JETJ2S46YTN7BS

not attested not anchored not stored refs pending

Opening up the Quantum Three-Box Problem with Undetectable Measurements

Daniel J. Twitchen, G. Andrew D. Briggs, Hannes Bernien, John J. L. Morton, Lucio Robledo, Machiel Blok, Matthew L. Markham, Owen Maroney, Richard E. George, Ronald Hanson

arxiv:1205.2594 v1 · 2012-05-11 · 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{CBLRBOPZ7K56JETJ2S46YTN7BS}

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	2026-05-18T03:33:26.014327Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

105710b9f9fabbe49269d4b9ec4dbf0ca21ac48c2a4b7cb735fde6c0c03a1006

Aliases

arxiv: 1205.2594 · arxiv_version: 1205.2594v1 · doi: 10.48550/arxiv.1205.2594 · pith_short_12: CBLRBOPZ7K56 · pith_short_16: CBLRBOPZ7K56JETJ · pith_short_8: CBLRBOPZ

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/CBLRBOPZ7K56JETJ2S46YTN7BS \
  | 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: 105710b9f9fabbe49269d4b9ec4dbf0ca21ac48c2a4b7cb735fde6c0c03a1006

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47ce1a40f953b5da60a11c764c88d9b5ae02fb07ced68243ce81a8fcc7d9c682",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-05-11T18:17:18Z",
    "title_canon_sha256": "10f9e21a767445da462d635fb6686374c0ff6841549822ec5e81dd7be833ddf1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.2594",
    "kind": "arxiv",
    "version": 1
  }
}