Pith Number

pith:NVZ33PXC

pith:2024:NVZ33PXCYL7BGOFRXJLMJTQ7OL

not attested not anchored not stored refs pending

Optimization-based model order reduction of fluid-structure interaction problems

Lei Zhang, Tommaso Taddei, Xuejun Xu

arxiv:2412.18916 v1 · 2024-12-25 · 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{NVZ33PXCYL7BGOFRXJLMJTQ7OL}

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	2026-07-05T09:54:13.053635Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d73bdbee2c2fe1338b1ba56c4ce1f72d84f1d6a13083db26fdff4c5b89b6037

Aliases

arxiv: 2412.18916 · arxiv_version: 2412.18916v1 · doi: 10.48550/arxiv.2412.18916 · pith_short_12: NVZ33PXCYL7B · pith_short_16: NVZ33PXCYL7BGOFR · pith_short_8: NVZ33PXC

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/NVZ33PXCYL7BGOFRXJLMJTQ7OL \
  | 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: 6d73bdbee2c2fe1338b1ba56c4ce1f72d84f1d6a13083db26fdff4c5b89b6037

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f21a5370735156b1b89c6debca235e22ef4328857f3954677da78fc5d094c99",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2024-12-25T14:26:54Z",
    "title_canon_sha256": "7babe97975c094d5a4dd086162a63b5fd2ebfaf9112c896e7498b602dfabd20c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.18916",
    "kind": "arxiv",
    "version": 1
  }
}