Pith Number

pith:HWYDQMJW

pith:2018:HWYDQMJWFYXAPVMYPFUJQEIP6Y

not attested not anchored not stored refs pending

An adaptive local discrete convolution method for the numerical solution of Maxwell's equations

Boris Lo, Phillip Colella

arxiv:1804.10972 v1 · 2018-04-29 · 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{HWYDQMJWFYXAPVMYPFUJQEIP6Y}

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	2026-05-17T23:39:49.011036Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3db03831362e2e07d598796898110ff61010c6afd8182a99d8e38484ce5e24e5

Aliases

arxiv: 1804.10972 · arxiv_version: 1804.10972v1 · doi: 10.48550/arxiv.1804.10972 · pith_short_12: HWYDQMJWFYXA · pith_short_16: HWYDQMJWFYXAPVMY · pith_short_8: HWYDQMJW

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/HWYDQMJWFYXAPVMYPFUJQEIP6Y \
  | 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: 3db03831362e2e07d598796898110ff61010c6afd8182a99d8e38484ce5e24e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38999ee710621f1bae78538af184674a22643e81493859cd319c63dabf62e768",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-04-29T18:19:46Z",
    "title_canon_sha256": "48fad148e3de63eb0f4fdcee41b1a8f8cd4304a2f425f901d8443c8d2cff8d1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.10972",
    "kind": "arxiv",
    "version": 1
  }
}