Pith Number

pith:NML5P3V2

pith:2017:NML5P3V2BG3KLHN3MUYWK7TR5Z

not attested not anchored not stored refs pending

75th Anniversary of `Existence of Electromagnetic-Hydrodynamic Waves'

Alexander J. B. Russell

arxiv:1711.04876 v3 · 2017-11-13 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NML5P3V2BG3KLHN3MUYWK7TR5Z}

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	2026-05-18T00:14:11.094091Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b17d7eeba09b6a59dbb6531657e71ee7ffc150701aaf9fc6978ecf295f7805d

Aliases

arxiv: 1711.04876 · arxiv_version: 1711.04876v3 · doi: 10.48550/arxiv.1711.04876 · pith_short_12: NML5P3V2BG3K · pith_short_16: NML5P3V2BG3KLHN3 · pith_short_8: NML5P3V2

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/NML5P3V2BG3KLHN3MUYWK7TR5Z \
  | 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: 6b17d7eeba09b6a59dbb6531657e71ee7ffc150701aaf9fc6978ecf295f7805d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38574a5a24bf66bdf558cae4da3a7dbfb1903f5598b2953a40978cd472e1be73",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-11-13T22:28:46Z",
    "title_canon_sha256": "5300c5c0841b7cd0328eb59afbc4f109c644a585cf173cb8733cf0b52175e733"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.04876",
    "kind": "arxiv",
    "version": 3
  }
}