Pith Number

pith:HAEGSJ4I

pith:2019:HAEGSJ4IE5C3YTMT4FWMZC77NB

not attested not anchored not stored refs pending

Electromagnetic Classical Field Theory in a Form Independent of Specific Units

Francesco Ferdinando Summa

arxiv:1907.00704 v1 · 2019-06-21 · 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{HAEGSJ4IE5C3YTMT4FWMZC77NB}

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	2026-05-17T23:41:48.399063Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38086927882745bc4d93e16ccc8bff6877100b898275e749fce00af219191cb3

Aliases

arxiv: 1907.00704 · arxiv_version: 1907.00704v1 · doi: 10.48550/arxiv.1907.00704 · pith_short_12: HAEGSJ4IE5C3 · pith_short_16: HAEGSJ4IE5C3YTMT · pith_short_8: HAEGSJ4I

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/HAEGSJ4IE5C3YTMT4FWMZC77NB \
  | 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: 38086927882745bc4d93e16ccc8bff6877100b898275e749fce00af219191cb3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cba75b9bc8a2194e0003cc25966cc26fcf5986d4fef73aceec1aa0beb54eaab6",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2019-06-21T22:15:34Z",
    "title_canon_sha256": "d64d7e66358f7dff423475466004906be8d49502c047230a4483c7b660e3ea3e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.00704",
    "kind": "arxiv",
    "version": 1
  }
}