Pith Number

pith:WZSWQIPP

pith:2009:WZSWQIPPUIDILLTIVX3GUHUPMJ

not attested not anchored not stored refs pending

Modification of Coulomb's law in closed spaces

Pouria Pedram

arxiv:0912.0225 v2 · 2009-12-01 · math-ph · math.MP · 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{WZSWQIPPUIDILLTIVX3GUHUPMJ}

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	2026-05-18T04:34:37.250301Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6656821efa20685ae68adf66a1e8f626782fab45822c70df1c0f4bc7fb06343

Aliases

arxiv: 0912.0225 · arxiv_version: 0912.0225v2 · doi: 10.48550/arxiv.0912.0225 · pith_short_12: WZSWQIPPUIDI · pith_short_16: WZSWQIPPUIDILLTI · pith_short_8: WZSWQIPP

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/WZSWQIPPUIDILLTIVX3GUHUPMJ \
  | 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: b6656821efa20685ae68adf66a1e8f626782fab45822c70df1c0f4bc7fb06343

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "223a2c9637a16957df38b0e647a58ee5daddae26e1f7082ee5778a471435c8a5",
    "cross_cats_sorted": [
      "math.MP",
      "physics.gen-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2009-12-01T18:26:28Z",
    "title_canon_sha256": "f9a75f1c6a661a0c0a9f425a319ac456e71fc56cb1812cc49fa7d4d9841768f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.0225",
    "kind": "arxiv",
    "version": 2
  }
}