Pith Number

pith:F27RSF3X

pith:2025:F27RSF3XGRMTUK3N2EXU6UNQSF

not attested not anchored not stored refs pending

Inverse scattering for waveguides in topological insulators

Guillaume Bal, Xixian Wang, Zhongjian Wang

arxiv:2512.22480 v2 · 2025-12-27 · math-ph · cs.NA · math.AP · math.MP · 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{F27RSF3XGRMTUK3N2EXU6UNQSF}

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	2026-05-20T01:05:05.191290Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ebf19177734593a2b6dd12f4f51b091699c1a06e57eb2d957ddbac9e00587b2

Aliases

arxiv: 2512.22480 · arxiv_version: 2512.22480v2 · doi: 10.48550/arxiv.2512.22480 · pith_short_12: F27RSF3XGRMT · pith_short_16: F27RSF3XGRMTUK3N · pith_short_8: F27RSF3X

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/F27RSF3XGRMTUK3N2EXU6UNQSF \
  | 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: 2ebf19177734593a2b6dd12f4f51b091699c1a06e57eb2d957ddbac9e00587b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c132b299ccfb444d3284fcbdef07a0dbb950f1f1d2739497cf0fab18ffbbcd8a",
    "cross_cats_sorted": [
      "cs.NA",
      "math.AP",
      "math.MP",
      "math.NA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2025-12-27T05:52:08Z",
    "title_canon_sha256": "7faf97f83d00602b4d0898b49a4fc4a957882c3ef5cd0b9af2275da0ab7a3a44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2512.22480",
    "kind": "arxiv",
    "version": 2
  }
}