Pith Number

pith:2FPQC2CO

pith:2018:2FPQC2COFP7JUWNQ452ZZD2POB

not attested not anchored not stored refs pending

On the electromagnetic self-force of a point charge

G. Vaman

arxiv:1809.01004 v4 · 2018-08-30 · 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{2FPQC2COFP7JUWNQ452ZZD2POB}

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	2026-05-17T23:58:47.635044Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d15f01684e2bfe9a59b0e7759c8f4f7062abbefb3860e2514485a984dc1d0079

Aliases

arxiv: 1809.01004 · arxiv_version: 1809.01004v4 · doi: 10.48550/arxiv.1809.01004 · pith_short_12: 2FPQC2COFP7J · pith_short_16: 2FPQC2COFP7JUWNQ · pith_short_8: 2FPQC2CO

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/2FPQC2COFP7JUWNQ452ZZD2POB \
  | 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: d15f01684e2bfe9a59b0e7759c8f4f7062abbefb3860e2514485a984dc1d0079

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2956bc990a95fe2a1b9eb321396e2853c85f276652ddeb385c3fe7580f32756e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2018-08-30T16:56:22Z",
    "title_canon_sha256": "35ebb579739113cbdbcfc1bb2be2b137d833911ddb049e00f4cb7fe4a98da090"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.01004",
    "kind": "arxiv",
    "version": 4
  }
}