Pith Number

pith:EQVD63VQ

pith:1999:EQVD63VQ5KMNTHUONNWN2NEC32

not attested not anchored not stored refs pending

On the equivalence of Daviau's space Clifford algebraic, Hestenes' and Parra's formulations of (real) Dirac theory

Bertfried Fauser

arxiv:hep-th/9908200 v1 · 1999-08-30 · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EQVD63VQ5KMNTHUONNWN2NEC32}

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	2026-05-18T04:24:15.358833Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

242a3f6eb0ea98d99e8e6b6cdd3482de9c46cd60ad156a0191f1173fba41dd35

Aliases

arxiv: hep-th/9908200 · arxiv_version: hep-th/9908200v1 · doi: 10.48550/arxiv.hep-th/9908200 · pith_short_12: EQVD63VQ5KMN · pith_short_16: EQVD63VQ5KMNTHUO · pith_short_8: EQVD63VQ

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/EQVD63VQ5KMNTHUONNWN2NEC32 \
  | 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: 242a3f6eb0ea98d99e8e6b6cdd3482de9c46cd60ad156a0191f1173fba41dd35

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "897d5f5cde22e598852224bbbfab3c5127d38ac4654189c66b53f3f3a3362918",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1999-08-30T15:42:44Z",
    "title_canon_sha256": "45a0e0e21233e91abccfdbf8b2d5e3a54724cadcc7c92105a6ed1347d4081c8e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9908200",
    "kind": "arxiv",
    "version": 1
  }
}