Pith Number

pith:5XXKBJE5

pith:2004:5XXKBJE5CQLQVP6EY6FYUNPHFY

not attested not anchored not stored refs pending

Dotted and Undotted Algebraic Spinor Fields in General Relativity

E. Capelas de Oliveira, Waldyr A. Rodrigues Jr

arxiv:math-ph/0407024 v3 · 2004-07-13 · 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{5XXKBJE5CQLQVP6EY6FYUNPHFY}

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	2026-05-18T02:35:38.730629Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

edeea0a49d14170abfc4c78b8a35e72e324e7bd35c26546a7860c3c5828e3e21

Aliases

arxiv: math-ph/0407024 · arxiv_version: math-ph/0407024v3 · doi: 10.48550/arxiv.math-ph/0407024 · pith_short_12: 5XXKBJE5CQLQ · pith_short_16: 5XXKBJE5CQLQVP6E · pith_short_8: 5XXKBJE5

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/5XXKBJE5CQLQVP6EY6FYUNPHFY \
  | 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: edeea0a49d14170abfc4c78b8a35e72e324e7bd35c26546a7860c3c5828e3e21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e812856ce0a4c1018974724b241be5fd02e7ff2f4d74a6901e021b88f8cf675e",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "",
    "primary_cat": "math-ph",
    "submitted_at": "2004-07-13T17:07:31Z",
    "title_canon_sha256": "efd5272558a77d435f96367dba825d47ba964b57709974ed23e172cb7c5f6307"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math-ph/0407024",
    "kind": "arxiv",
    "version": 3
  }
}