Pith Number

pith:UZT5SGGD

pith:2015:UZT5SGGDNC2JHXDM3EN43A6OGD

not attested not anchored not stored refs pending

A fictitious domain finite element method for simulations of fluid-structure interactions: The Navier-Stokes equations coupled with a moving solid

Michel Fourni\'e, S\'ebastien Court

arxiv:1502.03953 v1 · 2015-02-13 · math.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{UZT5SGGDNC2JHXDM3EN43A6OGD}

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	2026-05-18T00:40:33.935270Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a667d918c368b493dc6cd91bcd83ce30cdd3bb62e793e966bf2de3b41c4272e1

Aliases

arxiv: 1502.03953 · arxiv_version: 1502.03953v1 · doi: 10.48550/arxiv.1502.03953 · pith_short_12: UZT5SGGDNC2J · pith_short_16: UZT5SGGDNC2JHXDM · pith_short_8: UZT5SGGD

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/UZT5SGGDNC2JHXDM3EN43A6OGD \
  | 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: a667d918c368b493dc6cd91bcd83ce30cdd3bb62e793e966bf2de3b41c4272e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "400634516e0f07607d79b97d5ae8d12df2c49c4ce33eb7a9e51741d2c5d75d23",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-02-13T11:44:21Z",
    "title_canon_sha256": "704e93b80158b74fbe8b6e2bd77f50e47002d0d8aaa02ade25f9fa8ae0397331"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.03953",
    "kind": "arxiv",
    "version": 1
  }
}