Pith Number

pith:EXGYVN53

pith:2013:EXGYVN53BGH4QF7XSEJ74VLA32

not attested not anchored not stored refs pending

Problems in point charge electrodynamics

Michael R. Ferris

arxiv:1304.4409 v1 · 2013-04-16 · physics.acc-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{EXGYVN53BGH4QF7XSEJ74VLA32}

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	2026-05-18T03:27:53.194822Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25cd8ab7bb098fc817f79113fe5560de83875cc0bfe2c83672dce85708c77b44

Aliases

arxiv: 1304.4409 · arxiv_version: 1304.4409v1 · doi: 10.48550/arxiv.1304.4409 · pith_short_12: EXGYVN53BGH4 · pith_short_16: EXGYVN53BGH4QF7X · pith_short_8: EXGYVN53

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/EXGYVN53BGH4QF7XSEJ74VLA32 \
  | 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: 25cd8ab7bb098fc817f79113fe5560de83875cc0bfe2c83672dce85708c77b44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1b2f6b7726cbacaa5171067e47d38e729e70868d268596bbfaf75786c73cca4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2013-04-16T12:08:07Z",
    "title_canon_sha256": "9c378225a3205e8cb380f892b35e0d52a9d3d41f4237fda9e98dfc60aec7bf21"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.4409",
    "kind": "arxiv",
    "version": 1
  }
}