Pith Number

pith:WS3U7DGF

pith:2000:WS3U7DGFDPDKKXZOICRGKUDBEW

not attested not anchored not stored refs pending

Proposal for the Measurement of Bell-like Correlations from Continuous Variables

R. E. S. Polkinghorne, T. C. Ralph, W. J. Munro

arxiv:quant-ph/0006057 v2 · 2000-06-12 · 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{WS3U7DGFDPDKKXZOICRGKUDBEW}

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	2026-07-04T16:22:22.611966Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4b74f8cc51bc6a55f2e40a265506125abe82c89848e439c043c7eca2852ba70

Aliases

arxiv: quant-ph/0006057 · arxiv_version: quant-ph/0006057v2 · doi: 10.48550/arxiv.quant-ph/0006057 · pith_short_12: WS3U7DGFDPDK · pith_short_16: WS3U7DGFDPDKKXZO · pith_short_8: WS3U7DGF

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/WS3U7DGFDPDKKXZOICRGKUDBEW \
  | 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: b4b74f8cc51bc6a55f2e40a265506125abe82c89848e439c043c7eca2852ba70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce20bfce2337d8701b8cc2a45ec9fc4e66689538f254ef9c2495c8951771e653",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2000-06-12T22:40:34Z",
    "title_canon_sha256": "5e8d6a849032343c9d330a2ac5720e99cd04a02b2d81dde59b9d139a273ee1db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0006057",
    "kind": "arxiv",
    "version": 2
  }
}