Pith Number

pith:QSCQTF4R

pith:2006:QSCQTF4RCGGEYTYTTBG2UGCGMN

not attested not anchored not stored refs pending

Entanglement in a Spin-$s$ Antiferromagnetic Heisenberg Chain

Shiqun Zhu, Xiang Hao

arxiv:quant-ph/0605107 v1 · 2006-05-12 · 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{QSCQTF4RCGGEYTYTTBG2UGCGMN}

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	2026-05-18T04:28:21.984158Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8485099791118c4c4f13984daa1846636f79ec1bb5d53daa303876776089ea0d

Aliases

arxiv: quant-ph/0605107 · arxiv_version: quant-ph/0605107v1 · doi: 10.48550/arxiv.quant-ph/0605107 · pith_short_12: QSCQTF4RCGGE · pith_short_16: QSCQTF4RCGGEYTYT · pith_short_8: QSCQTF4R

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/QSCQTF4RCGGEYTYTTBG2UGCGMN \
  | 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: 8485099791118c4c4f13984daa1846636f79ec1bb5d53daa303876776089ea0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1cc8adac8c0b0688948ea394741b80a2b0be65d0bacb6918b67c03b1fcdcd8f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2006-05-12T02:24:28Z",
    "title_canon_sha256": "a6e2d83b89e2f5b83835db029c70f3639c24c3077253a483e8f9cb72c91c0ff1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0605107",
    "kind": "arxiv",
    "version": 1
  }
}