Pith Number

pith:VWTY3BS2

pith:2012:VWTY3BS23JM36EECBQJJPHR3UC

not attested not anchored not stored refs pending

Quantum correlations in the collective spin systems

Chen Wang, Qing-Hu Chen, Yu-Yu Zhang

arxiv:1202.4324 v2 · 2012-02-20 · 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{VWTY3BS23JM36EECBQJJPHR3UC}

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	2026-05-18T03:55:35.272803Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ada78d865ada59bf10820c12979e3ba0b5660e94153e039582ccdbf6441aab8e

Aliases

arxiv: 1202.4324 · arxiv_version: 1202.4324v2 · doi: 10.48550/arxiv.1202.4324 · pith_short_12: VWTY3BS23JM3 · pith_short_16: VWTY3BS23JM36EEC · pith_short_8: VWTY3BS2

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/VWTY3BS23JM36EECBQJJPHR3UC \
  | 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: ada78d865ada59bf10820c12979e3ba0b5660e94153e039582ccdbf6441aab8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b007f555165ec5ef98d7776b8365eb66938e4c5783bde4acd50bc6d7d5d4b6a5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-02-20T13:51:23Z",
    "title_canon_sha256": "cf303a868ce0021f2ac91ea7125f5d9029c9336711673e701ceaf0661466e816"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.4324",
    "kind": "arxiv",
    "version": 2
  }
}