Pith Number

pith:ZXO3U7TS

pith:2026:ZXO3U7TSLBDRWSZKXSBRAMMDG3

not attested not anchored not stored refs pending

Reduced-order modeling for electromagnetic inverse problems: a layered medium benchmark

Josselin Garnier, Konstantinos Alexopoulos

arxiv:2608.03996 v1 · 2026-08-04 · math.NA · cs.NA · math-ph · math.AP · math.MP · 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{ZXO3U7TSLBDRWSZKXSBRAMMDG3}

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	2026-08-05T01:37:39.752928Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cdddba7e7258471b4b2abc8310318336f02a4918a44493f69b44a1bf26b2d874

Aliases

arxiv: 2608.03996 · arxiv_version: 2608.03996v1 · doi: 10.48550/arxiv.2608.03996 · pith_short_12: ZXO3U7TSLBDR · pith_short_16: ZXO3U7TSLBDRWSZK · pith_short_8: ZXO3U7TS

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/ZXO3U7TSLBDRWSZKXSBRAMMDG3 \
  | 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: cdddba7e7258471b4b2abc8310318336f02a4918a44493f69b44a1bf26b2d874

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a4883de101e79b7742c0b0c7baa885b10de01038f2df6a651123eaec856b0c3",
    "cross_cats_sorted": [
      "cs.NA",
      "math-ph",
      "math.AP",
      "math.MP",
      "physics.comp-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-08-04T17:55:23Z",
    "title_canon_sha256": "f3d270aa001c7d9cdbaffdd121aa1612768b26334a4720e49a90ad00ae1a7e92"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.03996",
    "kind": "arxiv",
    "version": 1
  }
}