Pith Number

pith:4E6C3XOZ

pith:2012:4E6C3XOZMRTBN4NCGFEO5LWH6M

not attested not anchored not stored refs pending

Computational science and re-discovery: open-source implementations of ellipsoidal harmonics for problems in potential theory

Jaydeep P. Bardhan, Matthew G. Knepley

arxiv:1204.0267 v2 · 2012-04-01 · cs.CE · cs.MS · physics.chem-ph · physics.comp-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{4E6C3XOZMRTBN4NCGFEO5LWH6M}

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	2026-05-18T01:57:58.320991Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e13c2dddd9646616f1a23148eeaec7f3071aa4f2cc91d4ee20a3fe78969c6754

Aliases

arxiv: 1204.0267 · arxiv_version: 1204.0267v2 · doi: 10.48550/arxiv.1204.0267 · pith_short_12: 4E6C3XOZMRTB · pith_short_16: 4E6C3XOZMRTBN4NC · pith_short_8: 4E6C3XOZ

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/4E6C3XOZMRTBN4NCGFEO5LWH6M \
  | 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: e13c2dddd9646616f1a23148eeaec7f3071aa4f2cc91d4ee20a3fe78969c6754

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2676d9906c68e5340f78cb87c097f407e1349ac904b5c0b54f0d9a8c0a44c1e6",
    "cross_cats_sorted": [
      "cs.MS",
      "physics.chem-ph",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2012-04-01T21:23:23Z",
    "title_canon_sha256": "ac7b93f324785c7ccc9f851431aad8f9ef79a39c4fb90e77fd6ec0850cfa75f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.0267",
    "kind": "arxiv",
    "version": 2
  }
}