Pith Number

pith:WI4OTGLP

pith:2012:WI4OTGLPKRWIXXO6KFC3PPQWSB

not attested not anchored not stored refs pending

Entanglement in a three spin system controlled by electric and magnetic field

Bogdan R. Bulka, Jukub Luczak

arxiv:1202.1947 v2 · 2012-02-09 · cond-mat.mes-hall · 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{WI4OTGLPKRWIXXO6KFC3PPQWSB}

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	2026-05-18T01:58:31.846035Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b238e9996f546c8bddde5145b7be16906c663648c7402a330c16a47244bcf238

Aliases

arxiv: 1202.1947 · arxiv_version: 1202.1947v2 · doi: 10.48550/arxiv.1202.1947 · pith_short_12: WI4OTGLPKRWI · pith_short_16: WI4OTGLPKRWIXXO6 · pith_short_8: WI4OTGLP

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/WI4OTGLPKRWIXXO6KFC3PPQWSB \
  | 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: b238e9996f546c8bddde5145b7be16906c663648c7402a330c16a47244bcf238

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10a24a0e60316034ef65f74ef3011dfd057e14028bd94f823e5564b08362c93f",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2012-02-09T10:59:23Z",
    "title_canon_sha256": "44d8733c63f648e5eda7790ad9a6e2ca2401cceab6b3cc3ead2b218b8d325a79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.1947",
    "kind": "arxiv",
    "version": 2
  }
}