pith. sign in
Pith Number

pith:WIRRSMPH

pith:2018:WIRRSMPHZV6SQALYVAWY7KGC2L
not attested not anchored not stored refs pending

Special Relativity from Classical Gedankenexperiments involving Electromagnetic Forces: A Contribution to Relativity without Light

Nathan Willig Lima, Sergio Eduardo Silva Duarte

arxiv:1810.09844 v2 · 2018-10-23 · physics.class-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{WIRRSMPHZV6SQALYVAWY7KGC2L}

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 2026-05-18T00:01:37.456279Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

b2231931e7cd7d280178a82d8fa8c2d2e03f23f6fd07fd478c7cadcf9e152c0e

Aliases

arxiv: 1810.09844 · arxiv_version: 1810.09844v2 · doi: 10.48550/arxiv.1810.09844 · pith_short_12: WIRRSMPHZV6S · pith_short_16: WIRRSMPHZV6SQALY · pith_short_8: WIRRSMPH
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/WIRRSMPHZV6SQALYVAWY7KGC2L \
  | 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: b2231931e7cd7d280178a82d8fa8c2d2e03f23f6fd07fd478c7cadcf9e152c0e
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "d030d883943685859dfb887334fefe4150ba52c00500b8bae7f8c7b7d30e1e8d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2018-10-23T13:33:51Z",
    "title_canon_sha256": "9e0a6342d603218cb1d8cf8126f7e8f0e3bc3270dd25fd137ed7f787a8125e44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.09844",
    "kind": "arxiv",
    "version": 2
  }
}