Pith Number

pith:ZB44UIIB

pith:2026:ZB44UIIBXINWNXDJR2SVDZVJKE

not attested not anchored not stored refs pending

Nested Volume-Surface Integral Equations for Acoustics

Danilo Aballay, Elwin van 't Wout

arxiv:2607.06429 v1 · 2026-07-07 · math.NA · cs.NA · 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{ZB44UIIBXINWNXDJR2SVDZVJKE}

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.

Cited by

1 paper in Pith

Robust Hierarchical Matrix Compression of Acoustic Volume and Boundary Integral Operators

Receipt and verification

First computed	2026-07-08T01:19:25.033892Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c879ca2101ba1b66dc698ea551e6a95111a6413b38e46aa99ede561499e0aae6

Aliases

arxiv: 2607.06429 · arxiv_version: 2607.06429v1 · doi: 10.48550/arxiv.2607.06429 · pith_short_12: ZB44UIIBXINW · pith_short_16: ZB44UIIBXINWNXDJ · pith_short_8: ZB44UIIB

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/ZB44UIIBXINWNXDJR2SVDZVJKE \
  | 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: c879ca2101ba1b66dc698ea551e6a95111a6413b38e46aa99ede561499e0aae6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c86f41ce14601826242e7077190556c1a7b6ab86ffa8fa0e54115b057a0811f",
    "cross_cats_sorted": [
      "cs.NA",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-07-07T15:55:49Z",
    "title_canon_sha256": "05b448d3bf98017ebb745ba53fea047fe1554f607a22e979a609d509bf0dbee7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.06429",
    "kind": "arxiv",
    "version": 1
  }
}