Pith Number

pith:IWASJIVX

pith:2012:IWASJIVXN4E7W6ZTEZY2H4DND2

not attested not anchored not stored refs pending

Unfolding Physics from the Algebraic Classification of Spinor Fields

J. M. Hoff da Silva, Rold\~ao da Rocha

arxiv:1212.2406 v1 · 2012-12-11 · hep-th · gr-qc · 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{IWASJIVXN4E7W6ZTEZY2H4DND2}

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	2026-05-18T01:52:40.100973Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

458124a2b76f09fb7b332671a3f06d1e8c65bd86afc4342d3498658e48aae7a5

Aliases

arxiv: 1212.2406 · arxiv_version: 1212.2406v1 · doi: 10.48550/arxiv.1212.2406 · pith_short_12: IWASJIVXN4E7 · pith_short_16: IWASJIVXN4E7W6ZT · pith_short_8: IWASJIVX

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/IWASJIVXN4E7W6ZTEZY2H4DND2 \
  | 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: 458124a2b76f09fb7b332671a3f06d1e8c65bd86afc4342d3498658e48aae7a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d25ffcfa5ce8062708993ec14f1a3e9fa17bff28916428d57ed445aeec5595a",
    "cross_cats_sorted": [
      "gr-qc",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2012-12-11T12:50:08Z",
    "title_canon_sha256": "f9ee213adbbe13376a7337f4cdad16ce77fa537ba73d0201554d8d75700bb9e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.2406",
    "kind": "arxiv",
    "version": 1
  }
}