Pith Number

pith:ZBG4QPPM

pith:2006:ZBG4QPPMXSNHHEWECJPKEG3OL4

not attested not anchored not stored refs pending

An integrable optical-fiber source of polarization entangled photon-pairs in the telecom band

Chuang Liang, Jun Chen, Kim Fook Lee, Paul L. Voss, Prem Kumar, Xiaoying Li

arxiv:quant-ph/0601087 v1 · 2006-01-13 · 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{ZBG4QPPMXSNHHEWECJPKEG3OL4}

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	2026-07-04T14:52:57.365536Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c84dc83decbc9a7392c4125ea21b6e5f3a7ee3450a98697b95a5dc251da8d32e

Aliases

arxiv: quant-ph/0601087 · arxiv_version: quant-ph/0601087v1 · doi: 10.48550/arxiv.quant-ph/0601087 · pith_short_12: ZBG4QPPMXSNH · pith_short_16: ZBG4QPPMXSNHHEWE · pith_short_8: ZBG4QPPM

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/ZBG4QPPMXSNHHEWECJPKEG3OL4 \
  | 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: c84dc83decbc9a7392c4125ea21b6e5f3a7ee3450a98697b95a5dc251da8d32e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1664214210b5d712ab0d4083af66abc2e58cdb95ebeb39e43a98bfa14ddd6f3c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2006-01-13T03:27:00Z",
    "title_canon_sha256": "a04f40460092d7631c51263955876c9953d5462518d836bf859ce7dc014c3138"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0601087",
    "kind": "arxiv",
    "version": 1
  }
}