Pith Number

pith:WGNBT7S6

pith:2018:WGNBT7S6WR3AFTF25JNITNA7WE

not attested not anchored not stored refs pending

Reduction of the classical electromagnetism to a two-dimensional curved surface

Tomasz Radozycki

arxiv:1802.02062 v1 · 2018-01-05 · 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{WGNBT7S6WR3AFTF25JNITNA7WE}

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	2026-05-17T23:47:21.194832Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b19a19fe5eb47602ccbaea5a89b41fb10194233a156f14c697f9c7c7982d6f36

Aliases

arxiv: 1802.02062 · arxiv_version: 1802.02062v1 · doi: 10.48550/arxiv.1802.02062 · pith_short_12: WGNBT7S6WR3A · pith_short_16: WGNBT7S6WR3AFTF2 · pith_short_8: WGNBT7S6

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/WGNBT7S6WR3AFTF25JNITNA7WE \
  | 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: b19a19fe5eb47602ccbaea5a89b41fb10194233a156f14c697f9c7c7982d6f36

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90dba8e8a928635a27690d0a92c6925e251f292564c58de267b95f22b88ab322",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2018-01-05T16:22:39Z",
    "title_canon_sha256": "0a9abe894b25b3ce2030930393c3f8b0a167810968b1a7158a7c31c9d9ea36da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.02062",
    "kind": "arxiv",
    "version": 1
  }
}