Pith Number

pith:Z5UQ5JBP

pith:2015:Z5UQ5JBPWX2LYXIGNYPOJ56GYE

not attested not anchored not stored refs pending

Approaching Tsirelson's bound in a photon pair experiment

Ad\'an Cabello, Alessandro Cer\'e, Christian Kurtsiefer, Hou Shun Poh, Siddarth K. Joshi

arxiv:1506.01865 v2 · 2015-06-05 · 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{Z5UQ5JBPWX2LYXIGNYPOJ56GYE}

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	2026-05-18T01:23:38.257643Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf690ea42fb5f4bc5d066e1ee4f7c6c136b745322803f1b87c11764b18f23687

Aliases

arxiv: 1506.01865 · arxiv_version: 1506.01865v2 · doi: 10.48550/arxiv.1506.01865 · pith_short_12: Z5UQ5JBPWX2L · pith_short_16: Z5UQ5JBPWX2LYXIG · pith_short_8: Z5UQ5JBP

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/Z5UQ5JBPWX2LYXIGNYPOJ56GYE \
  | 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: cf690ea42fb5f4bc5d066e1ee4f7c6c136b745322803f1b87c11764b18f23687

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f422feb1f8d553e5b2cd79d66b0648a559f2a6840e7d4eb5f3c70a18699ea31c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-06-05T11:10:38Z",
    "title_canon_sha256": "f703e37a1191623e3973fd92a1197ccfe7dd67d21d942402c208882a0874fe58"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.01865",
    "kind": "arxiv",
    "version": 2
  }
}