Pith Number

pith:Z52PZQRB

pith:2013:Z52PZQRBSIQ2ANCVOTTC3A4AO7

not attested not anchored not stored refs pending

The Majorana spinor representation of the Poincare group

Leonardo Pedro

arxiv:1307.1853 v2 · 2013-07-07 · math-ph · hep-th · math.MP · 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{Z52PZQRBSIQ2ANCVOTTC3A4AO7}

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	2026-05-18T02:46:31.343083Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf74fcc2219221a0345574e62d838077d4b85705d8ce69fceb77e86b44dd7ca4

Aliases

arxiv: 1307.1853 · arxiv_version: 1307.1853v2 · doi: 10.48550/arxiv.1307.1853 · pith_short_12: Z52PZQRBSIQ2 · pith_short_16: Z52PZQRBSIQ2ANCV · pith_short_8: Z52PZQRB

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/Z52PZQRBSIQ2ANCVOTTC3A4AO7 \
  | 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: cf74fcc2219221a0345574e62d838077d4b85705d8ce69fceb77e86b44dd7ca4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09b46fea06a20a4ef81056290b586920415d5c2758608b756d28167ab008f3e2",
    "cross_cats_sorted": [
      "hep-th",
      "math.MP",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2013-07-07T11:12:22Z",
    "title_canon_sha256": "68265b09f3751fa7eb608b4895e353aab75ccab15ab11458eb5dc700edef7bcc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.1853",
    "kind": "arxiv",
    "version": 2
  }
}