Pith Number

pith:WAJ4ZLJO

pith:2025:WAJ4ZLJOSG2UWOVS3AAJL7ZOPV

not attested not anchored not stored refs pending

Electromagnetism: an intrinsic approach to Hadamard's method of descent

Elisa Ercolessi, Francesco V. Pepe, Giuliano Angelone, Giuseppe Marmo, Paolo Facchi, Rocco Maggi, Saverio Pascazio

arxiv:2506.05255 v1 · 2025-06-05 · math-ph · math.MP · 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{WAJ4ZLJOSG2UWOVS3AAJL7ZOPV}

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	2026-07-05T11:16:44.843675Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b013ccad2e91b54b3ab2d80095ff2e7d72806bfd4bb19516f4c27f63f95de317

Aliases

arxiv: 2506.05255 · arxiv_version: 2506.05255v1 · doi: 10.48550/arxiv.2506.05255 · pith_short_12: WAJ4ZLJOSG2U · pith_short_16: WAJ4ZLJOSG2UWOVS · pith_short_8: WAJ4ZLJO

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/WAJ4ZLJOSG2UWOVS3AAJL7ZOPV \
  | 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: b013ccad2e91b54b3ab2d80095ff2e7d72806bfd4bb19516f4c27f63f95de317

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42208e1e5ef76540feaa21140cd03a1806e167939c30564f57bd4d6ad1ca48f7",
    "cross_cats_sorted": [
      "math.MP",
      "physics.class-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2025-06-05T17:17:01Z",
    "title_canon_sha256": "0faa15939214f231e46532b54ac79a92ef4d2a72c801ff64bb2835c2c5f285cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.05255",
    "kind": "arxiv",
    "version": 1
  }
}