Pith Number

pith:755AJXR2

pith:2018:755AJXR23QDDINPBYVK37ZA73R

not attested not anchored not stored refs pending

An unconditionally stable semi-implicit CutFEM for an interaction problem between an elastic membrane and an incompressible fluid

Kyle Dunn, Marcus Sarkis, Roger Lui

arxiv:1801.05794 v2 · 2018-01-17 · 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{755AJXR23QDDINPBYVK37ZA73R}

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	2026-05-17T23:47:31.556130Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff7a04de3adc063435e1c555bfe41fdc50c4ecf8b3f35540e90adf05e2161a1d

Aliases

arxiv: 1801.05794 · arxiv_version: 1801.05794v2 · doi: 10.48550/arxiv.1801.05794 · pith_short_12: 755AJXR23QDD · pith_short_16: 755AJXR23QDDINPB · pith_short_8: 755AJXR2

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/755AJXR23QDDINPBYVK37ZA73R \
  | 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: ff7a04de3adc063435e1c555bfe41fdc50c4ecf8b3f35540e90adf05e2161a1d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01a0146b12d121fcd8737dc5f7b3bf1069e5123601f7d385adff54aa4a254445",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-01-17T18:44:51Z",
    "title_canon_sha256": "8a2c22cbbf1d177f85af371d105a56bdc68a80470be28b053520c8ff932677f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.05794",
    "kind": "arxiv",
    "version": 2
  }
}