Pith Number

pith:HW4JTAQ2

pith:2026:HW4JTAQ2E4ATJIE4H34KPY7JIN

not attested not anchored not stored refs pending

Fermi--Born--Infeld electrodynamics: a nonlinear theory with physical gauge

Renato Vieira dos Santos

arxiv:2607.22631 v1 · 2026-06-19 · physics.class-ph · hep-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{HW4JTAQ2E4ATJIE4H34KPY7JIN}

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	2026-07-28T00:21:46.001779Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3db899821a270134a09c3ef8a7e3e9434829beed97adb35c2e0d018f8db928f5

Aliases

arxiv: 2607.22631 · arxiv_version: 2607.22631v1 · doi: 10.48550/arxiv.2607.22631 · pith_short_12: HW4JTAQ2E4AT · pith_short_16: HW4JTAQ2E4ATJIE4 · pith_short_8: HW4JTAQ2

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/HW4JTAQ2E4ATJIE4H34KPY7JIN \
  | 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: 3db899821a270134a09c3ef8a7e3e9434829beed97adb35c2e0d018f8db928f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6416b47271aea14481360c547c989d0009757633f445bd57f4a218ace5695f1d",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2026-06-19T16:50:38Z",
    "title_canon_sha256": "9aef65897c56cec7fb325bd30f2c2b1a9d96adf442a5050760894282f344fe3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.22631",
    "kind": "arxiv",
    "version": 1
  }
}