Pith Number

pith:FQ4QM5EE

pith:2012:FQ4QM5EEGKZ7TA3PXTWNFFCZHM

not attested not anchored not stored refs pending

Quantum simulation of Heisenberg spin chains with next nearest neighbor interactions in coupled cavities

Guang-Can Guo, Xiang-Fa Zhou, Xingxiang Zhou, Zheng-Wei Zhou, Zhi-Xin Chen

arxiv:1212.5328 v1 · 2012-12-21 · 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{FQ4QM5EEGKZ7TA3PXTWNFFCZHM}

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	2026-05-18T01:52:29.440959Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c3906748432b3f9836fbcecd294593b11f86cc879ea17de5a700e1ea4928588

Aliases

arxiv: 1212.5328 · arxiv_version: 1212.5328v1 · doi: 10.48550/arxiv.1212.5328 · pith_short_12: FQ4QM5EEGKZ7 · pith_short_16: FQ4QM5EEGKZ7TA3P · pith_short_8: FQ4QM5EE

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/FQ4QM5EEGKZ7TA3PXTWNFFCZHM \
  | 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: 2c3906748432b3f9836fbcecd294593b11f86cc879ea17de5a700e1ea4928588

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef820afc898e940a1356bb4d21167ce5205780dde6c555fb72bba6e8362ea470",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-12-21T03:56:20Z",
    "title_canon_sha256": "794255f74d071039dd20fe7ed63d4b207cca8999b5518e19ec982fd06f63e39e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.5328",
    "kind": "arxiv",
    "version": 1
  }
}