Pith Number

pith:W4LWSNLI

pith:2016:W4LWSNLINICX2W4QMAZ2WOO2CV

not attested not anchored not stored refs pending

Bell inequality of frequency-bin entangled photon pairs with time-resolved detection

Shengwang Du, Xianxin Guo, Yefeng Mei

arxiv:1609.02282 v2 · 2016-09-08 · 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{W4LWSNLINICX2W4QMAZ2WOO2CV}

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	2026-05-18T00:46:04.355464Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7176935686a057d5b906033ab39da15762b785f01bc74f3c54b48daf685c6ea

Aliases

arxiv: 1609.02282 · arxiv_version: 1609.02282v2 · doi: 10.48550/arxiv.1609.02282 · pith_short_12: W4LWSNLINICX · pith_short_16: W4LWSNLINICX2W4Q · pith_short_8: W4LWSNLI

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/W4LWSNLINICX2W4QMAZ2WOO2CV \
  | 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: b7176935686a057d5b906033ab39da15762b785f01bc74f3c54b48daf685c6ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "439619c4d47b295703383799155c0c6abf2c303dd59f96212a2894df012b6f61",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-09-08T05:46:23Z",
    "title_canon_sha256": "2b8576a8d731e593a0334d0fcb58885d523fe8eceb62d336cc74cbd499d4d3f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.02282",
    "kind": "arxiv",
    "version": 2
  }
}