Pith Number

pith:JANMBYT6

pith:2017:JANMBYT6BKAAAWQARB4NQJA3UT

not attested not anchored not stored refs pending

Isogeometric shape optimization for nonlinear ultrasound focusing

Barbara Wohlmuth, Linus Wunderlich, Markus Muhr, Vanja Nikoli\'c

arxiv:1712.05228 v1 · 2017-12-14 · math.OC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JANMBYT6BKAAAWQARB4NQJA3UT}

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	2026-05-18T00:27:58.555212Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

481ac0e27e0a80005a008878d8241ba4e0409398155acd161244e0da55fad188

Aliases

arxiv: 1712.05228 · arxiv_version: 1712.05228v1 · doi: 10.48550/arxiv.1712.05228 · pith_short_12: JANMBYT6BKAA · pith_short_16: JANMBYT6BKAAAWQA · pith_short_8: JANMBYT6

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/JANMBYT6BKAAAWQARB4NQJA3UT \
  | 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: 481ac0e27e0a80005a008878d8241ba4e0409398155acd161244e0da55fad188

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b311bacf1a2d2a788d2fca5622690a09b8e5fba440f105c7ef7cc5de096d49bc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-12-14T14:04:45Z",
    "title_canon_sha256": "8b1a541dfc8dc3faa4c77da4191c02e9f748fd8f321d4476b137b2ace5602dd9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.05228",
    "kind": "arxiv",
    "version": 1
  }
}