Pith Number

pith:AM3HRUTL

pith:2019:AM3HRUTLLJZDK2M57T6TX5PPYX

not attested not anchored not stored refs pending

Numerical validation of an explicit P1 finite-element scheme for Maxwell's equations in a polygon with variable permittivity away from its boundary

L. Beilina, V. Ruas

arxiv:1905.03619 v1 · 2019-05-08 · 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{AM3HRUTLLJZDK2M57T6TX5PPYX}

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	2026-05-17T23:46:37.171946Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

033678d26b5a7235699dfcfd3bf5efc5ebea7304960cec6134c6f39546646b7d

Aliases

arxiv: 1905.03619 · arxiv_version: 1905.03619v1 · doi: 10.48550/arxiv.1905.03619 · pith_short_12: AM3HRUTLLJZD · pith_short_16: AM3HRUTLLJZDK2M5 · pith_short_8: AM3HRUTL

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/AM3HRUTLLJZDK2M57T6TX5PPYX \
  | 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: 033678d26b5a7235699dfcfd3bf5efc5ebea7304960cec6134c6f39546646b7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f545a66fab43c027bc210a0dfcca6b507d84a475fa2e4678f55f58ff8219e56d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-05-08T15:08:48Z",
    "title_canon_sha256": "43a8cf269723adfa1ea455c02754c28695e93b3dd166ccdadb7e48667c109549"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.03619",
    "kind": "arxiv",
    "version": 1
  }
}