Pith Number

pith:DMWHNZ4E

pith:2015:DMWHNZ4EO4IAB3Y7YLCCR6ESXN

not attested not anchored not stored refs pending

Dirac's point electron in the zero-gravity Kerr--Newman world

A. Shadi Tahvildar-Zadeh, Michael K.-H. Kiessling

arxiv:1505.05552 v1 · 2015-05-20 · math-ph · gr-qc · math.MP · quant-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DMWHNZ4EO4IAB3Y7YLCCR6ESXN}

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	2026-05-18T02:03:54.225726Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b2c76e784771000ef1fc2c428f892bb4ab8f457049ecd648e34c074b589e02d

Aliases

arxiv: 1505.05552 · arxiv_version: 1505.05552v1 · doi: 10.48550/arxiv.1505.05552 · pith_short_12: DMWHNZ4EO4IA · pith_short_16: DMWHNZ4EO4IAB3Y7 · pith_short_8: DMWHNZ4E

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/DMWHNZ4EO4IAB3Y7YLCCR6ESXN \
  | 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: 1b2c76e784771000ef1fc2c428f892bb4ab8f457049ecd648e34c074b589e02d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "901f7653a8c95c4eb1fff9d3d60f7d4f8d9abc233e135ce2c6dabec090548ce5",
    "cross_cats_sorted": [
      "gr-qc",
      "math.MP",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2015-05-20T23:17:49Z",
    "title_canon_sha256": "84daed38cc35f988bbeebdd057e24e77befdbff97dc1cdf49f90371cfd097e5a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.05552",
    "kind": "arxiv",
    "version": 1
  }
}