Pith Number

pith:DUQY4EEB

pith:2018:DUQY4EEB5LZ4XHLUYM7H2MHHP3

not attested not anchored not stored refs pending

Radiation of the electromagnetic field beyond the dipole approximation

Andrij Rovenchak, Yuri Krynytskyi

arxiv:1803.07889 v2 · 2018-03-21 · 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{DUQY4EEB5LZ4XHLUYM7H2MHHP3}

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	2026-05-18T00:05:19.414810Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d218e1081eaf3cb9d74c33e7d30e77ee5d71da3c723ce6a0d61d238c3c81738

Aliases

arxiv: 1803.07889 · arxiv_version: 1803.07889v2 · doi: 10.48550/arxiv.1803.07889 · pith_short_12: DUQY4EEB5LZ4 · pith_short_16: DUQY4EEB5LZ4XHLU · pith_short_8: DUQY4EEB

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/DUQY4EEB5LZ4XHLUYM7H2MHHP3 \
  | 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: 1d218e1081eaf3cb9d74c33e7d30e77ee5d71da3c723ce6a0d61d238c3c81738

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fcd5ce28e3b9d8ad85fedb123b13d16c741982042e9d292410d50db98163ce3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2018-03-21T12:51:34Z",
    "title_canon_sha256": "3cb65af681c3c3a3d1dc50eca0614233d27d0765d34c484b441205b8bf415793"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.07889",
    "kind": "arxiv",
    "version": 2
  }
}