Pith Number

pith:C5C42LMQ

pith:2020:C5C42LMQ5JTPVISAHOBVKXVIT2

not attested not anchored not stored refs pending

An enhanced finite difference time domain method for two dimensional Maxwell's equations

Bin Jiang, Peng Jiang, Timothy Meagher

arxiv:2006.16426 v3 · 2020-06-29 · physics.comp-ph · cs.NA · math.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{C5C42LMQ5JTPVISAHOBVKXVIT2}

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	2026-07-05T06:30:22.942039Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1745cd2d90ea66faa2403b83555ea89eb5b7a44d890c44d1f4f03d7ee1d88395

Aliases

arxiv: 2006.16426 · arxiv_version: 2006.16426v3 · doi: 10.48550/arxiv.2006.16426 · pith_short_12: C5C42LMQ5JTP · pith_short_16: C5C42LMQ5JTPVISA · pith_short_8: C5C42LMQ

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/C5C42LMQ5JTPVISAHOBVKXVIT2 \
  | 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: 1745cd2d90ea66faa2403b83555ea89eb5b7a44d890c44d1f4f03d7ee1d88395

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "189e004dd912b755bf8221fac8edfb7b07d0dc42e1d2a3a49503eefb2ddc124b",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2020-06-29T23:05:21Z",
    "title_canon_sha256": "dc815bc7ea971bec05321e40ec565338aff837fcf1769a74b43fdfdea11282da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.16426",
    "kind": "arxiv",
    "version": 3
  }
}