Pith Number

pith:66S6SPJF

pith:2014:66S6SPJFSAFD6DUJ4YRJZAC6V5

not attested not anchored not stored refs pending

Solutions of the Wheeler-Feynman equations with discontinuous velocities

Daniel C\^amara de Souza, Jayme De Luca

arxiv:1402.5108 v2 · 2014-02-20 · physics.class-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{66S6SPJFSAFD6DUJ4YRJZAC6V5}

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	2026-05-17T23:48:34.823114Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7a5e93d25900a3f0e89e6229c805eaf5610ca19dba512c39cc49bfe851887b8

Aliases

arxiv: 1402.5108 · arxiv_version: 1402.5108v2 · doi: 10.48550/arxiv.1402.5108 · pith_short_12: 66S6SPJFSAFD · pith_short_16: 66S6SPJFSAFD6DUJ · pith_short_8: 66S6SPJF

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/66S6SPJFSAFD6DUJ4YRJZAC6V5 \
  | 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: f7a5e93d25900a3f0e89e6229c805eaf5610ca19dba512c39cc49bfe851887b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5297478a69816b2cc89ac190f3329a1a53fdc7496f58277f3fc667eeff9e584",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2014-02-20T19:21:43Z",
    "title_canon_sha256": "298057457e4e9f51f13d6a346e8743808d22f2c21884b5137188c2d045386bd7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.5108",
    "kind": "arxiv",
    "version": 2
  }
}