Pith Number

pith:67W55A2J

pith:2010:67W55A2JYQ4JWSDZ7ET45EH4GI

not attested not anchored not stored refs pending

Electromagnetic field with induced massive term: Case with scalar field

Bijan Saha, G.N. Shikin, Yu.A. Popov, Yu.P. Rybakov

arxiv:1004.3654 v1 · 2010-04-21 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{67W55A2JYQ4JWSDZ7ET45EH4GI}

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	2026-05-18T02:17:24.941592Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7edde8349c4389b4879f927ce90fc322046dbbe97719386d9cc7487bcf597e4

Aliases

arxiv: 1004.3654 · arxiv_version: 1004.3654v1 · doi: 10.48550/arxiv.1004.3654 · pith_short_12: 67W55A2JYQ4J · pith_short_16: 67W55A2JYQ4JWSDZ · pith_short_8: 67W55A2J

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/67W55A2JYQ4JWSDZ7ET45EH4GI \
  | 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: f7edde8349c4389b4879f927ce90fc322046dbbe97719386d9cc7487bcf597e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03aab3b67a88b7648d3aa245d8874ab1fecf23e60f6b31e48bf899b9cb45c60e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2010-04-21T09:06:40Z",
    "title_canon_sha256": "7f1764c9a55a7838086fa75b1b46518841c8274da1ed297e64c29c43ee40fa58"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.3654",
    "kind": "arxiv",
    "version": 1
  }
}