Pith Number

pith:WHFTDILM

pith:2010:WHFTDILMWRHGGPZ56KASLQ6JFZ

not attested not anchored not stored refs pending

A Lagrangian for Electromagnetic Solitary Waves in Vacuum

Daniele Funaro

arxiv:1008.2103 v1 · 2010-08-12 · physics.gen-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{WHFTDILMWRHGGPZ56KASLQ6JFZ}

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	2026-05-18T04:42:21.697468Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1cb31a16cb44e633f3df28125c3c92e412a754ec2d54c741dabb88e988b78e2

Aliases

arxiv: 1008.2103 · arxiv_version: 1008.2103v1 · doi: 10.48550/arxiv.1008.2103 · pith_short_12: WHFTDILMWRHG · pith_short_16: WHFTDILMWRHGGPZ5 · pith_short_8: WHFTDILM

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/WHFTDILMWRHGGPZ56KASLQ6JFZ \
  | 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: b1cb31a16cb44e633f3df28125c3c92e412a754ec2d54c741dabb88e988b78e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad8c52309af73d70563ef690302b5149a2c289b172ef57ada33e4294fca35136",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2010-08-12T11:57:53Z",
    "title_canon_sha256": "b83bbeb754e94b0768655c071ceb1d409d2e027aa42dbdebb789bdec780b8735"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.2103",
    "kind": "arxiv",
    "version": 1
  }
}