Pith Number

pith:F64JL65D

pith:2014:F64JL65D7DQ7EFIENSIABKM7DV

not attested not anchored not stored refs pending

A Topological Structure in the Set of Classical Free Radiation Electromagnetic Fields

A. F. Ranada, A. Tiemblo

arxiv:1407.8145 v1 · 2014-07-29 · physics.class-ph · math-ph · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F64JL65D7DQ7EFIENSIABKM7DV}

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	2026-05-18T02:45:57.455332Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fb895fba3f8e1f215046c9000a99f1d69f37db07ebc76c022ea7f8df1ba860d

Aliases

arxiv: 1407.8145 · arxiv_version: 1407.8145v1 · doi: 10.48550/arxiv.1407.8145 · pith_short_12: F64JL65D7DQ7 · pith_short_16: F64JL65D7DQ7EFIE · pith_short_8: F64JL65D

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/F64JL65D7DQ7EFIENSIABKM7DV \
  | 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: 2fb895fba3f8e1f215046c9000a99f1d69f37db07ebc76c022ea7f8df1ba860d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b060e571a782a2f91eed7263c94005a04f7aa0edfc36714b550662b47285555",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2014-07-29T18:56:46Z",
    "title_canon_sha256": "d221038d3c3cfa129b1809d78594e90b719bf4cdeabae52cc6fc381d65662711"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.8145",
    "kind": "arxiv",
    "version": 1
  }
}