Pith Number

pith:FLVTA5IR

pith:2026:FLVTA5IRTZCPIUXK4VTFRITS37

not attested not anchored not stored refs pending

High-Frequency Preconditioners for Electromagnetic Integral Equations Based on Helmholtz Regularizations

A. D\'ely, A. Merlini, F. P. Andriulli, S. B. Adrian, S. Ciciriello, V. Giunzioni

arxiv:2606.07427 v1 · 2026-06-05 · cs.CE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FLVTA5IRTZCPIUXK4VTFRITS37}

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	2026-06-08T01:05:26.520508Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2aeb3075119e44f452eae56658a272dfc22c8fc13c1846d7bdaf449fd5ec7431

Aliases

arxiv: 2606.07427 · arxiv_version: 2606.07427v1 · doi: 10.48550/arxiv.2606.07427 · pith_short_12: FLVTA5IRTZCP · pith_short_16: FLVTA5IRTZCPIUXK · pith_short_8: FLVTA5IR

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/FLVTA5IRTZCPIUXK4VTFRITS37 \
  | 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: 2aeb3075119e44f452eae56658a272dfc22c8fc13c1846d7bdaf449fd5ec7431

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c03c506efda96203157ea3cfbd88cb5837044e865419ece4fed301fe3b44b8d3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2026-06-05T16:22:14Z",
    "title_canon_sha256": "03ca480053a5e65565b1c65b4daab052bcd5bf459e29c667e94fa6bf22850217"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.07427",
    "kind": "arxiv",
    "version": 1
  }
}