Pith Number

pith:UL5JWHLI

pith:2009:UL5JWHLITWKXLDUG6GGMBXHSRY

not attested not anchored not stored refs pending

Spherical volume averages of static electric and magnetic fields using Coulomb and Biot-Savart laws

Ben Yu-Kuang Hu

arxiv:0902.0037 v1 · 2009-01-31 · physics.class-ph · physics.gen-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{UL5JWHLITWKXLDUG6GGMBXHSRY}

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	2026-05-18T01:32:42.212181Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2fa9b1d689d95758e86f18cc0dcf28e3c2475c6f1e3557d08d8fe04461899b3

Aliases

arxiv: 0902.0037 · arxiv_version: 0902.0037v1 · doi: 10.48550/arxiv.0902.0037 · pith_short_12: UL5JWHLITWKX · pith_short_16: UL5JWHLITWKXLDUG · pith_short_8: UL5JWHLI

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/UL5JWHLITWKXLDUG6GGMBXHSRY \
  | 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: a2fa9b1d689d95758e86f18cc0dcf28e3c2475c6f1e3557d08d8fe04461899b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8fe566e5c54a813d1d460608cfe6d986915912045d5f4d7e8320ecc1254f24d0",
    "cross_cats_sorted": [
      "physics.gen-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2009-01-31T02:10:39Z",
    "title_canon_sha256": "c3bcfebcdc4eb28dfe09b7e2bd8004c276083b7a15b3d10f8e88a804aa4a6980"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.0037",
    "kind": "arxiv",
    "version": 1
  }
}