Pith Number

pith:6IYXLA5K

pith:2026:6IYXLA5KCNPH3TRZBC3FHBXGR6

not attested not anchored not stored refs pending

Discontinuous Galerkin approximation of a nonlinear multiphysics problem arising in ultrasound-enhanced drug delivery

Femke de Wit, Vanja Nikoli\'c

arxiv:2603.08415 v2 · 2026-03-09 · 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{6IYXLA5KCNPH3TRZBC3FHBXGR6}

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	2026-06-12T01:09:24.608745Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f2317583aa135e7dce3908b65386e68f97c811410a74095e64ad8a0958edbeec

Aliases

arxiv: 2603.08415 · arxiv_version: 2603.08415v2 · doi: 10.48550/arxiv.2603.08415 · pith_short_12: 6IYXLA5KCNPH · pith_short_16: 6IYXLA5KCNPH3TRZ · pith_short_8: 6IYXLA5K

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/6IYXLA5KCNPH3TRZBC3FHBXGR6 \
  | 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: f2317583aa135e7dce3908b65386e68f97c811410a74095e64ad8a0958edbeec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62329fb164ba25570c3b4b228c4f0fa6a7302a6b4f525358ef900dc3d865abb0",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-03-09T14:13:07Z",
    "title_canon_sha256": "08709ba54054fdc752a9f8afd1138d43412b6344b792a2675c127d554505e3f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.08415",
    "kind": "arxiv",
    "version": 2
  }
}