Pith Number

pith:MWGN2V6T

pith:2018:MWGN2V6TYDKKT6UEDWVUJ4J72T

not attested not anchored not stored refs pending

A Nitsche-based formulation for fluid-structure interactions with contact

Erik Burman, Miguel A. Fern\'andez, Stefan Frei

arxiv:1808.08758 v1 · 2018-08-27 · 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{MWGN2V6TYDKKT6UEDWVUJ4J72T}

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	2026-05-18T00:07:13.345084Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

658cdd57d3c0d4a9fa841dab44f13fd4d31511c048eeca4f5b1539c629dea9ef

Aliases

arxiv: 1808.08758 · arxiv_version: 1808.08758v1 · doi: 10.48550/arxiv.1808.08758 · pith_short_12: MWGN2V6TYDKK · pith_short_16: MWGN2V6TYDKKT6UE · pith_short_8: MWGN2V6T

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/MWGN2V6TYDKKT6UEDWVUJ4J72T \
  | 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: 658cdd57d3c0d4a9fa841dab44f13fd4d31511c048eeca4f5b1539c629dea9ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a921fdfe17dc038c04756dd0d8a0a02788b089fcbb413916c76a742f04698211",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-08-27T09:47:57Z",
    "title_canon_sha256": "34f892494922df258d31d214f2733975c6219ebc67b559f0b9c27eabd4553a31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.08758",
    "kind": "arxiv",
    "version": 1
  }
}