Pith Number

pith:GA42Q46C

pith:2018:GA42Q46CRHU3JIUXC4B372QU62

not attested not anchored not stored refs pending

Exact gravitational potential of a homogeneous torus in toroidal coordinates and a surface integral approach to Poisson's equation

Matt Majic

arxiv:1803.00003 v1 · 2018-02-28 · physics.class-ph · astro-ph.GA · 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{GA42Q46CRHU3JIUXC4B372QU62}

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	2026-05-18T00:22:15.546128Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3039a873c289e9b4a2971703bfea14f6a5e1fdea5c8120256f3f26271cbc7b9a

Aliases

arxiv: 1803.00003 · arxiv_version: 1803.00003v1 · doi: 10.48550/arxiv.1803.00003 · pith_short_12: GA42Q46CRHU3 · pith_short_16: GA42Q46CRHU3JIUX · pith_short_8: GA42Q46C

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/GA42Q46CRHU3JIUXC4B372QU62 \
  | 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: 3039a873c289e9b4a2971703bfea14f6a5e1fdea5c8120256f3f26271cbc7b9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fabf42a1d9189135a370be8724de6a19ce7cb274ea3b4c6555e7b40aa96e4531",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2018-02-28T01:28:32Z",
    "title_canon_sha256": "09c8a312d629d2ce696f984a12276ca6bcb1c6ef1750ba134e60a2ec67f0a1a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.00003",
    "kind": "arxiv",
    "version": 1
  }
}