Pith Number

pith:RPE4HX3Z

pith:2009:RPE4HX3ZMWH7NHYRTHX5LEPBZU

not attested not anchored not stored refs pending

Topologically distinct classes of valence bond solid states with their parent Hamiltonians

Guang-Ming Zhang, Hong-Hao Tu, Tai-Kai Ng, Tao Xiang, Zheng-Xin Liu

arxiv:0904.0550 v3 · 2009-04-03 · cond-mat.str-el · quant-ph

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

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	2026-05-18T03:24:07.119441Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8bc9c3df79658ff69f1199efd591e1cd28017f845bb1d7ad57c7ee710aed80aa

Aliases

arxiv: 0904.0550 · arxiv_version: 0904.0550v3 · doi: 10.48550/arxiv.0904.0550 · pith_short_12: RPE4HX3ZMWH7 · pith_short_16: RPE4HX3ZMWH7NHYR · pith_short_8: RPE4HX3Z

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/RPE4HX3ZMWH7NHYRTHX5LEPBZU \
  | 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: 8bc9c3df79658ff69f1199efd591e1cd28017f845bb1d7ad57c7ee710aed80aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e841f394c9c78032173c43987b053f484d469a85e6d23b3fbc733e33a131537c",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2009-04-03T11:09:14Z",
    "title_canon_sha256": "f5745b19b8f3a723cc72f805b7f2bde59534e049da22f3231c13d500cb1bd47d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.0550",
    "kind": "arxiv",
    "version": 3
  }
}