Pith Number

pith:IEYRSHXD

pith:2019:IEYRSHXD6B2IAHFKHUHMVATAOV

not attested not anchored not stored refs pending

Real spinors and real Dirac equation

Vaclav Zatloukal

arxiv:1908.04590 v1 · 2019-08-13 · 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{IEYRSHXD6B2IAHFKHUHMVATAOV}

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	2026-07-05T05:33:02.683662Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4131191ee3f074801caa3d0eca82607579319bb3181174c140c41c12ad20f0fd

Aliases

arxiv: 1908.04590 · arxiv_version: 1908.04590v1 · doi: 10.48550/arxiv.1908.04590 · pith_short_12: IEYRSHXD6B2I · pith_short_16: IEYRSHXD6B2IAHFK · pith_short_8: IEYRSHXD

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/IEYRSHXD6B2IAHFKHUHMVATAOV \
  | 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: 4131191ee3f074801caa3d0eca82607579319bb3181174c140c41c12ad20f0fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e70631fe3a9b314be11dabd0d28576a9c2fae5ec97b172d6d9c60166b0967068",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2019-08-13T11:47:08Z",
    "title_canon_sha256": "09a9c5b0a7a979a4b73e55575822d12cc3d7635b840723de133a451d709de6a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.04590",
    "kind": "arxiv",
    "version": 1
  }
}