Pith Number

pith:CL4Y6OTS

pith:2012:CL4Y6OTSFSMYK36YKLAZ3HTO46

not attested not anchored not stored refs pending

Efficient $N$-particle $W$ state concentration with different parity check gates

Lan Zhou, Sheng-Mei Zhao, Yu-Bo Sheng, Yu-Wei Sheng

arxiv:1204.1492 v1 · 2012-04-06 · 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{CL4Y6OTSFSMYK36YKLAZ3HTO46}

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	2026-05-18T03:58:25.418523Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12f98f3a722c99856fd852c19d9e6ee7934a7735adea310707d7492bbe3bc17f

Aliases

arxiv: 1204.1492 · arxiv_version: 1204.1492v1 · doi: 10.48550/arxiv.1204.1492 · pith_short_12: CL4Y6OTSFSMY · pith_short_16: CL4Y6OTSFSMYK36Y · pith_short_8: CL4Y6OTS

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/CL4Y6OTSFSMYK36YKLAZ3HTO46 \
  | 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: 12f98f3a722c99856fd852c19d9e6ee7934a7735adea310707d7492bbe3bc17f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "296f5eac4b277c83b5397fc9f6b692f2a84cd3c63a8b70580c5bea736af23454",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-04-06T14:47:17Z",
    "title_canon_sha256": "97998dc531c918c4c1c1f4f93f81b6c89064aaaf0b605d743cd300d20078d2e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.1492",
    "kind": "arxiv",
    "version": 1
  }
}