Pith Number

pith:TWGSIRHP

pith:1997:TWGSIRHPKCZEESIWMCYYCERQHA

not attested not anchored not stored refs pending

On the structure of the energy-momentum and the spin currents in Dirac's electron theory

A. Mac\'ias, E.W. Mielke, F.W. Hehl, Yu.N. Obukhov

arxiv:gr-qc/9706009 v1 · 1997-06-03 · gr-qc · 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{TWGSIRHPKCZEESIWMCYYCERQHA}

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	2026-05-18T01:09:17.598445Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d8d2444ef50b242491660b18112303834b2444983dda76b9ab697bc2fd33514

Aliases

arxiv: gr-qc/9706009 · arxiv_version: gr-qc/9706009v1 · doi: 10.48550/arxiv.gr-qc/9706009 · pith_short_12: TWGSIRHPKCZE · pith_short_16: TWGSIRHPKCZEESIW · pith_short_8: TWGSIRHP

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/TWGSIRHPKCZEESIWMCYYCERQHA \
  | 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: 9d8d2444ef50b242491660b18112303834b2444983dda76b9ab697bc2fd33514

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a567b1ed3a0143b6a429dd4e590536e6803218a2210bdb6b814d4b84f4b7b059",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1997-06-03T14:05:24Z",
    "title_canon_sha256": "8adf3f855c168ed2d45c30404171df60827305d6667b9f61ba2321be77280427"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9706009",
    "kind": "arxiv",
    "version": 1
  }
}