Pith Number

pith:5NPC5SZT

pith:2018:5NPC5SZTVUUVKXU7EYYXBNJVA7

not attested not anchored not stored refs pending

Self-torque and angular momentum balance for a spinning charged sphere

Beatrice Bonga, Eric Poisson, Huan Yang

arxiv:1805.01372 v2 · 2018-05-01 · physics.class-ph · 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{5NPC5SZTVUUVKXU7EYYXBNJVA7}

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	2026-05-18T00:02:03.182747Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb5e2ecb33ad29555e9f263170b53507e4c0361d324a003d1896589a2231cdce

Aliases

arxiv: 1805.01372 · arxiv_version: 1805.01372v2 · doi: 10.48550/arxiv.1805.01372 · pith_short_12: 5NPC5SZTVUUV · pith_short_16: 5NPC5SZTVUUVKXU7 · pith_short_8: 5NPC5SZT

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/5NPC5SZTVUUVKXU7EYYXBNJVA7 \
  | 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: eb5e2ecb33ad29555e9f263170b53507e4c0361d324a003d1896589a2231cdce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe746b5992d5ca8c0d969252be249a02befae2a2c16e275ec492a7377e76994f",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2018-05-01T19:14:49Z",
    "title_canon_sha256": "fc2955b20e87b6f8859167a7dc53708c7b7720e5916f17a1939e6a242946d555"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.01372",
    "kind": "arxiv",
    "version": 2
  }
}