Pith Number

pith:QY2JJWU2

pith:2009:QY2JJWU2LLWUDNES6HJ3XLJWA6

not attested not anchored not stored refs pending

Spinor extended Lorentz-force like equations as consequence of a spinorial structure of space-time

J. Buitrago, S. Hajjawi

arxiv:0901.1979 v1 · 2009-01-14 · 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{QY2JJWU2LLWUDNES6HJ3XLJWA6}

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	2026-05-18T04:20:36.078905Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

863494da9a5aed41b492f1d3bbad3607ab898394685deec10b928d7b119fcf38

Aliases

arxiv: 0901.1979 · arxiv_version: 0901.1979v1 · doi: 10.48550/arxiv.0901.1979 · pith_short_12: QY2JJWU2LLWU · pith_short_16: QY2JJWU2LLWUDNES · pith_short_8: QY2JJWU2

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/QY2JJWU2LLWUDNES6HJ3XLJWA6 \
  | 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: 863494da9a5aed41b492f1d3bbad3607ab898394685deec10b928d7b119fcf38

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d2423566194cd2259b9bce9e7fef986b942af286a9042a330d6e83cfe915102",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2009-01-14T11:26:29Z",
    "title_canon_sha256": "56ca3df6c565f9896ba00acdc26f54d14cc7ae838f75ad98265968e075807142"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.1979",
    "kind": "arxiv",
    "version": 1
  }
}