Pith Number

pith:NT3SLSCA

pith:2010:NT3SLSCAKMQLOHTTIQCX5YHPRL

not attested not anchored not stored refs pending

Entropy of entangled three-level atoms interacting with entangled cavity fields: entanglement swapping

W.B. Cardoso, Wen-Chao Qiang, Xin-hui Zhang

arxiv:1002.3900 v1 · 2010-02-20 · 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{NT3SLSCAKMQLOHTTIQCX5YHPRL}

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	2026-05-18T02:08:58.563438Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6cf725c8405320b71e7344057ee0ef8af3f550581977cc96ce14dd72f4db81f5

Aliases

arxiv: 1002.3900 · arxiv_version: 1002.3900v1 · doi: 10.48550/arxiv.1002.3900 · pith_short_12: NT3SLSCAKMQL · pith_short_16: NT3SLSCAKMQLOHTT · pith_short_8: NT3SLSCA

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/NT3SLSCAKMQLOHTTIQCX5YHPRL \
  | 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: 6cf725c8405320b71e7344057ee0ef8af3f550581977cc96ce14dd72f4db81f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "761930addc35651c9c62579ae08949ffa6018dbff2e0fb6bc288fba99a14f15d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-02-20T15:06:35Z",
    "title_canon_sha256": "9df461fc40f1696e3f9f433468384d74f5f2f53767bd7ae37638a7b77dc89424"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.3900",
    "kind": "arxiv",
    "version": 1
  }
}