Pith Number

pith:XHWU5OCK

pith:2018:XHWU5OCKF63Y3KRFI6BEC3PRFY

not attested not anchored not stored refs pending

The Restricted Inomata-McKinley spinor-plane, homotopic deformations and the Lounesto classification

C. H. Coronado Villalobos, D. Beghetto, R. J. Bueno Rogerio

arxiv:1806.02210 v2 · 2018-06-05 · 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{XHWU5OCKF63Y3KRFI6BEC3PRFY}

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	2026-05-17T23:49:17.581625Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9ed4eb84a2fb78daa254782416df12e3ff8dc83b97d47f820f367edc296ae31

Aliases

arxiv: 1806.02210 · arxiv_version: 1806.02210v2 · doi: 10.48550/arxiv.1806.02210 · pith_short_12: XHWU5OCKF63Y · pith_short_16: XHWU5OCKF63Y3KRF · pith_short_8: XHWU5OCK

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/XHWU5OCKF63Y3KRFI6BEC3PRFY \
  | 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: b9ed4eb84a2fb78daa254782416df12e3ff8dc83b97d47f820f367edc296ae31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd467132884ccb1daed460aa5b025904a4eb107e7c4ccb14618712a98c7ed8bc",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2018-06-05T13:54:53Z",
    "title_canon_sha256": "4fa1465c89eecbc619de5f9da0a623e270bf99af3ee0579370cabe3a648c8b85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.02210",
    "kind": "arxiv",
    "version": 2
  }
}