Pith Number

pith:UB6DVFLS

pith:2021:UB6DVFLSN2MA3CTI2W3VLJKJWX

not attested not anchored not stored refs pending

Violation of Bell's inequality with quantum-dot single-photon sources

Anders S. S{\o}rensen, Eva M. Gonz\'alez-Ruiz, Peter Lodahl, Sumanta K. Das

arxiv:2109.14712 v2 · 2021-09-29 · 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{UB6DVFLSN2MA3CTI2W3VLJKJWX}

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	2026-07-05T04:46:32.887639Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a07c3a95726e980d8a68d5b755a549b5e892caf76476a773aeadeafcb007ac29

Aliases

arxiv: 2109.14712 · arxiv_version: 2109.14712v2 · doi: 10.48550/arxiv.2109.14712 · pith_short_12: UB6DVFLSN2MA · pith_short_16: UB6DVFLSN2MA3CTI · pith_short_8: UB6DVFLS

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/UB6DVFLSN2MA3CTI2W3VLJKJWX \
  | 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: a07c3a95726e980d8a68d5b755a549b5e892caf76476a773aeadeafcb007ac29

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "186bd8705b980a28c0878ec6c4ff1e715b40fa66b75cf753ddc8116ae3783a1b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-09-29T20:47:56Z",
    "title_canon_sha256": "9ee91482c422f73a38251111adc953335da53dce041fcfcf5ae87c0205d756ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.14712",
    "kind": "arxiv",
    "version": 2
  }
}