Pith Number

pith:PYVSSUEV

pith:2017:PYVSSUEVT6GW25XMRXW7WLFSNT

not attested not anchored not stored refs pending

Numerical Electromagnetic Frequency Domain Analysis with Discrete Exterior Calculus

(2) Department of Electrical, Computer Engineering, Shu Chen (1), University of Illinois at Urbana-Champaign, University of Illinois at Urbana-Champaign), Weng Cho Chew (2) ((1) Department of Physics

arxiv:1704.05145 v1 · 2017-04-17 · 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{PYVSSUEVT6GW25XMRXW7WLFSNT}

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	2026-05-18T00:33:18.681312Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e2b2950959f8d6d76ec8dedfb2cb26cd017a6166b073c37518e57dcbad8a813

Aliases

arxiv: 1704.05145 · arxiv_version: 1704.05145v1 · doi: 10.48550/arxiv.1704.05145 · pith_short_12: PYVSSUEVT6GW · pith_short_16: PYVSSUEVT6GW25XM · pith_short_8: PYVSSUEV

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/PYVSSUEVT6GW25XMRXW7WLFSNT \
  | 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: 7e2b2950959f8d6d76ec8dedfb2cb26cd017a6166b073c37518e57dcbad8a813

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a579de6ab323ff17871c60356cf8d6493c75c1ed922e129e9ef3d3926dfa8344",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2017-04-17T23:14:39Z",
    "title_canon_sha256": "8028331cfbcd41706d95da553689334ce5a5cdb7f2601c3d3f35a340dbe8fcb5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.05145",
    "kind": "arxiv",
    "version": 1
  }
}