Pith Number

pith:O6GFKQGI

pith:2014:O6GFKQGIPGNKOZZPORMXAUQJBZ

not attested not anchored not stored refs pending

A variational principle and its application to estimating the electrical capacitance of a perfect conductor

Alexander G. Ramm

arxiv:1402.3110 v1 · 2014-02-13 · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O6GFKQGIPGNKOZZPORMXAUQJBZ}

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	2026-05-18T02:59:07.652021Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

778c5540c8799aa7672f74597052090e6a145ff42fd49c64e588d50b26508182

Aliases

arxiv: 1402.3110 · arxiv_version: 1402.3110v1 · doi: 10.48550/arxiv.1402.3110 · pith_short_12: O6GFKQGIPGNK · pith_short_16: O6GFKQGIPGNKOZZP · pith_short_8: O6GFKQGI

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/O6GFKQGIPGNKOZZPORMXAUQJBZ \
  | 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: 778c5540c8799aa7672f74597052090e6a145ff42fd49c64e588d50b26508182

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d0fb72cce48bd650406febb03bb56fcff3d1f09e97889442f2e2bf52e596ae3",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2014-02-13T12:34:54Z",
    "title_canon_sha256": "e5c56edaaee861bc38f3c067cd190e10b9a204f4f3e9eb4ad97db14c4b0d5316"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.3110",
    "kind": "arxiv",
    "version": 1
  }
}