Pith Number

pith:BYARN6HB

pith:2012:BYARN6HBGWEFY7IFPRFHMKUAIF

not attested not anchored not stored refs pending

A More Accurate, Stable, FDTD Algorithm for Electromagnetics in Anisotropic Dielectrics

2) ((1) University of Colorado, (2) Tech-X Corporation, Boulder, Carl A. Bauer (1), CO, CO), Gregory R. Werner (1), John R. Cary (1

arxiv:1212.4857 v2 · 2012-12-19 · 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{BYARN6HBGWEFY7IFPRFHMKUAIF}

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	2026-05-18T01:52:30.154820Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e0116f8e135885c7d057c4a762a804148df4a077d861a47ebe643828e8f9c54

Aliases

arxiv: 1212.4857 · arxiv_version: 1212.4857v2 · doi: 10.48550/arxiv.1212.4857 · pith_short_12: BYARN6HBGWEF · pith_short_16: BYARN6HBGWEFY7IF · pith_short_8: BYARN6HB

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/BYARN6HBGWEFY7IFPRFHMKUAIF \
  | 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: 0e0116f8e135885c7d057c4a762a804148df4a077d861a47ebe643828e8f9c54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4bcb6850665ed783cb6693145bffc93333fc7d499bdcfacc1dffe8b218476fe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2012-12-19T21:21:00Z",
    "title_canon_sha256": "1d40d5e91ef3543f5c0a30240c7564fbad1d68dd2094f0669f4c24a11cc5ff54"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.4857",
    "kind": "arxiv",
    "version": 2
  }
}