Pith Number

pith:QK337TK4

pith:2019:QK337TK44BWAWVXHRKOJI77SCP

not attested not anchored not stored refs pending

The Heisenberg spinor field classification and its interplay with the Lounesto's classification

Marcos R. A. Arcod\'ia, Mauricio Bellini, Roldao da Rocha

arxiv:1902.08833 v2 · 2019-02-23 · hep-th · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QK337TK44BWAWVXHRKOJI77SCP}

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	2026-05-17T23:50:40.642509Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82b7bfcd5ce06c0b56e78a9c947ff213d5dc7bd8445f8f9a2b24ec48fb0c14cd

Aliases

arxiv: 1902.08833 · arxiv_version: 1902.08833v2 · doi: 10.48550/arxiv.1902.08833 · pith_short_12: QK337TK44BWA · pith_short_16: QK337TK44BWAWVXH · pith_short_8: QK337TK4

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/QK337TK44BWAWVXHRKOJI77SCP \
  | 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: 82b7bfcd5ce06c0b56e78a9c947ff213d5dc7bd8445f8f9a2b24ec48fb0c14cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2fa6ffb5b4b4446d109796e95a92ad8b4c88faaea1e82cb004cb46157c44f9e9",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2019-02-23T19:28:31Z",
    "title_canon_sha256": "ea09a9d925adbeab1e0e77deb835ec61265d0c62bcf53dbca09c8c6122ee291a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.08833",
    "kind": "arxiv",
    "version": 2
  }
}