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Pith Number

pith:2FLZ4XO7

pith:2018:2FLZ4XO7CDKWJHA2N6D46YSQK6
not attested not anchored not stored refs pending

Isogeometric Methods for Free Boundary Problems

Filippo Remonato, Giancarlo Sangalli, Monica Montardini

arxiv:1803.05040 v1 · 2018-03-13 · math.NA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{2FLZ4XO7CDKWJHA2N6D46YSQK6}

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 2026-05-18T00:21:02.219611Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

d1579e5ddf10d5649c1a6f87cf62505780e9f4c25e8657099cc285e9031e312a

Aliases

arxiv: 1803.05040 · arxiv_version: 1803.05040v1 · doi: 10.48550/arxiv.1803.05040 · pith_short_12: 2FLZ4XO7CDKW · pith_short_16: 2FLZ4XO7CDKWJHA2 · pith_short_8: 2FLZ4XO7
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/2FLZ4XO7CDKWJHA2N6D46YSQK6 \
  | 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: d1579e5ddf10d5649c1a6f87cf62505780e9f4c25e8657099cc285e9031e312a
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "e25a1dfe969274b3e40bf811e24dcd9758c5c1ab5c87100e66a4292f10e11531",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-03-13T20:57:04Z",
    "title_canon_sha256": "90170a2e8eaf48352b72cf67722cbf8fc022bd54b588a63fe00e63da249f9b1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.05040",
    "kind": "arxiv",
    "version": 1
  }
}