Pith Number

pith:IX335NA2

pith:2008:IX335NA2PWLNUOJHW6PFDD6JJ3

not attested not anchored not stored refs pending

Variational Integrators for Maxwell's Equations with Sources

Ari Stern, Jerrold E. Marsden, Mathieu Desbrun, Yiying Tong

arxiv:0803.2070 v1 · 2008-03-14 · math.NA · cs.NA · 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{IX335NA2PWLNUOJHW6PFDD6JJ3}

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	2026-06-03T22:06:05.027660Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45f7beb41a7d96da3927b79e518fc94ec68d8ce87ced3eeca5bf9d5660130c6e

Aliases

arxiv: 0803.2070 · arxiv_version: 0803.2070v1 · doi: 10.48550/arxiv.0803.2070 · pith_short_12: IX335NA2PWLN · pith_short_16: IX335NA2PWLNUOJH · pith_short_8: IX335NA2

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/IX335NA2PWLNUOJHW6PFDD6JJ3 \
  | 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: 45f7beb41a7d96da3927b79e518fc94ec68d8ce87ced3eeca5bf9d5660130c6e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7d4d8b0ff2cd646ca6b9d11a8fa8d55b992bfd6e40e3c68dbd5bc9263d06fb1",
    "cross_cats_sorted": [
      "cs.NA",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2008-03-14T00:50:31Z",
    "title_canon_sha256": "5dc0bdb875ca5e41b79cd297c2a832e02f322eee23aceb4ff1351c503eae4fcf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0803.2070",
    "kind": "arxiv",
    "version": 1
  }
}