Pith Number

pith:SPAFLB4H

pith:2016:SPAFLB4HZT4YIDKKNGBH4YTVJW

not attested not anchored not stored refs pending

Enhanced violation of the Collins-Gisin-Linden-Massar-Popescu inequality with optimized time-bin-entangled ququarts

Hiroki Takesue, Takuya Ikuta

arxiv:1602.01775 v1 · 2016-02-04 · 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{SPAFLB4HZT4YIDKKNGBH4YTVJW}

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	2026-05-18T01:21:18.145139Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93c0558787ccf9840d4a69827e62754d9eef4918ecc4b8793555d57b5a04ea3c

Aliases

arxiv: 1602.01775 · arxiv_version: 1602.01775v1 · doi: 10.48550/arxiv.1602.01775 · pith_short_12: SPAFLB4HZT4Y · pith_short_16: SPAFLB4HZT4YIDKK · pith_short_8: SPAFLB4H

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/SPAFLB4HZT4YIDKKNGBH4YTVJW \
  | 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: 93c0558787ccf9840d4a69827e62754d9eef4918ecc4b8793555d57b5a04ea3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "215e885a14e243148fbd8fee348b781997c09de56e771560b9b725ed68ff04e0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-02-04T18:15:07Z",
    "title_canon_sha256": "9c661296917ea0888a236d56e43eaa322e8b76417fc3e1589449424fbda70c30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.01775",
    "kind": "arxiv",
    "version": 1
  }
}