Pith Number

pith:OECX3HVP

pith:2002:OECX3HVPBFYCC7OZMYNLCZCDXN

not attested not anchored not stored refs pending

Solving the Maxwell equations by the Chebyshev method: A one-step finite-difference time-domain algorithm

H. De Raedt, J.S. Kole, K. Michielsen, M.T. Figge

arxiv:physics/0208060 v1 · 2002-08-15 · 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{OECX3HVPBFYCC7OZMYNLCZCDXN}

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	2026-07-04T16:35:53.215779Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

71057d9eaf0970217dd9661ab16443bb7e36db3dc0a196954b9e083b4202f429

Aliases

arxiv: physics/0208060 · arxiv_version: physics/0208060v1 · doi: 10.48550/arxiv.physics/0208060 · pith_short_12: OECX3HVPBFYC · pith_short_16: OECX3HVPBFYCC7OZ · pith_short_8: OECX3HVP

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/OECX3HVPBFYCC7OZMYNLCZCDXN \
  | 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: 71057d9eaf0970217dd9661ab16443bb7e36db3dc0a196954b9e083b4202f429

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "daf5e7709b14617a9a5ac97c951609c1d4b0ecfd5574aef55803a908ea8c412a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2002-08-15T12:45:53Z",
    "title_canon_sha256": "82beb7fbe6c5ffd2e915eccd60fd5d0dd389b0371028034eff70ce5c78cdb19b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0208060",
    "kind": "arxiv",
    "version": 1
  }
}