Pith Number

pith:NKDEFDYL

pith:2018:NKDEFDYLJTWNTXF4DAQFL4P355

not attested not anchored not stored refs pending

Operational Dynamical Modeling of spin 1/2 relativistic particles: the Dirac equation and its classical limit

Andre Campos, Denys I. Bondar, Herschel A. Rabitz, Renan Cabrera

arxiv:1805.08243 v1 · 2018-05-21 · 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{NKDEFDYLJTWNTXF4DAQFL4P355}

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	2026-05-17T23:54:07.304902Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a86428f0b4cecd9dcbc182055f1fbef71b93875242adb713e7c9a1f7ed524b8

Aliases

arxiv: 1805.08243 · arxiv_version: 1805.08243v1 · doi: 10.48550/arxiv.1805.08243 · pith_short_12: NKDEFDYLJTWN · pith_short_16: NKDEFDYLJTWNTXF4 · pith_short_8: NKDEFDYL

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/NKDEFDYLJTWNTXF4DAQFL4P355 \
  | 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: 6a86428f0b4cecd9dcbc182055f1fbef71b93875242adb713e7c9a1f7ed524b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7739afc47c436ac1978f6f5867d18db45c457d39fe43c66d2698114e25b16d2a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-05-21T18:21:34Z",
    "title_canon_sha256": "2d6861d1972d72e7fafcffd034f6445bcf72b4558e9e160cfa8c270b995399a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.08243",
    "kind": "arxiv",
    "version": 1
  }
}