Pith Number

pith:VYK6BIWH

pith:2026:VYK6BIWHWT4TSOLLESBSSE27FW

not attested not anchored not stored refs pending

A Spectral Solver for Acoustic Scattering by Multiple Quasi-Axisymmetric Structures

Jun Lai, Yuxin Li

arxiv:2606.31380 v1 · 2026-06-30 · math.NA · cs.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{VYK6BIWHWT4TSOLLESBSSE27FW}

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	2026-07-01T01:18:01.333664Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae15e0a2c7b4f939396b248329135f2d93aa3d6da6adb29f8734fb863a878602

Aliases

arxiv: 2606.31380 · arxiv_version: 2606.31380v1 · doi: 10.48550/arxiv.2606.31380 · pith_short_12: VYK6BIWHWT4T · pith_short_16: VYK6BIWHWT4TSOLL · pith_short_8: VYK6BIWH

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/VYK6BIWHWT4TSOLLESBSSE27FW \
  | 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: ae15e0a2c7b4f939396b248329135f2d93aa3d6da6adb29f8734fb863a878602

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ab818ab79a6d16199dcc7f548287a58660c040760bb75d2c64379e5c9f89df3",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-06-30T09:09:48Z",
    "title_canon_sha256": "ae68adefc9828a19c913fa8f911840d8c62dc29d3ee40195b4dd79ad17590d82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.31380",
    "kind": "arxiv",
    "version": 1
  }
}