Pith Number

pith:4F25S6QA

pith:2021:4F25S6QAL2X2DAXLD6JMYUUGBH

not attested not anchored not stored refs pending

High-order FDTD schemes for Maxwell's interface problems with discontinuous coefficients and complex interfaces based on the Correction Function Method

Jean-Christophe Nave, Yann-Meing Law

arxiv:2101.05417 v2 · 2021-01-14 · math.NA · cs.CE · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4F25S6QAL2X2DAXLD6JMYUUGBH}

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	2026-07-05T04:03:24.561864Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e175d97a005eafa182eb1f92cc528609c4193fccd864e15f66967bd2f2d29670

Aliases

arxiv: 2101.05417 · arxiv_version: 2101.05417v2 · doi: 10.48550/arxiv.2101.05417 · pith_short_12: 4F25S6QAL2X2 · pith_short_16: 4F25S6QAL2X2DAXL · pith_short_8: 4F25S6QA

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/4F25S6QAL2X2DAXLD6JMYUUGBH \
  | 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: e175d97a005eafa182eb1f92cc528609c4193fccd864e15f66967bd2f2d29670

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3fe8c11aba0d3e8be23c1a0fa0e0239419795239aa8fc0ff65e35b151c9963fc",
    "cross_cats_sorted": [
      "cs.CE",
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2021-01-14T01:56:50Z",
    "title_canon_sha256": "b76361f7d1cd3e42bb6f1f8bfafc38f2cba180f0a8bf17c12870c4ac8c1d77cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.05417",
    "kind": "arxiv",
    "version": 2
  }
}