Pith Number

pith:Y2DGIKAR

pith:2012:Y2DGIKARSBJBIOKN27EQNBGCVW

not attested not anchored not stored refs pending

Efficient W state entanglement concentration using quantum-dot and optical microcavities

Chuan Wang, Lan Zhou, Sheng-Mei Zhao, Yu-Bo Sheng

arxiv:1206.5664 v1 · 2012-06-25 · 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{Y2DGIKARSBJBIOKN27EQNBGCVW}

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	2026-05-18T01:56:42.338456Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c686642811905214394dd7c90684c2ad9d2f22948a949d555494bac3dfc00b1d

Aliases

arxiv: 1206.5664 · arxiv_version: 1206.5664v1 · doi: 10.48550/arxiv.1206.5664 · pith_short_12: Y2DGIKARSBJB · pith_short_16: Y2DGIKARSBJBIOKN · pith_short_8: Y2DGIKAR

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/Y2DGIKARSBJBIOKN27EQNBGCVW \
  | 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: c686642811905214394dd7c90684c2ad9d2f22948a949d555494bac3dfc00b1d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "486f77fbc31a1a27822f5ac387ecafc7cc503ae89ac7c8e1576e93e3da746ccf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-06-25T12:29:02Z",
    "title_canon_sha256": "3fc7ff5c2b2eb931fb16153253586a44b49b07782dd37d84b140f0f94a33cb83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.5664",
    "kind": "arxiv",
    "version": 1
  }
}