Pith Number

pith:RMADJHLK

pith:2022:RMADJHLKIYZHXZVPEGDCRRGGBT

not attested not anchored not stored refs pending

A sharp interface Lagrangian-Eulerian method for flexible-body fluid-structure interaction

Boyce E. Griffith, Brent A. Craven, David R. Wells, Ebrahim M. Kolahdouz, Kenneth I. Aycock, Simone Rossi

arxiv:2204.12907 v3 · 2022-04-27 · math.NA · cs.NA · math-ph · math.MP · physics.flu-dyn

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RMADJHLKIYZHXZVPEGDCRRGGBT}

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	2026-07-05T06:12:31.919451Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b00349d6a46327be6af218628c4c60cd80256549db75e08105028b7ba258cb3

Aliases

arxiv: 2204.12907 · arxiv_version: 2204.12907v3 · doi: 10.48550/arxiv.2204.12907 · pith_short_12: RMADJHLKIYZH · pith_short_16: RMADJHLKIYZHXZVP · pith_short_8: RMADJHLK

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/RMADJHLKIYZHXZVPEGDCRRGGBT \
  | 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: 8b00349d6a46327be6af218628c4c60cd80256549db75e08105028b7ba258cb3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8794810e47c6d46687c4d74064a6d693afc042c157652de3f140fbfd7aa4b13",
    "cross_cats_sorted": [
      "cs.NA",
      "math-ph",
      "math.MP",
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2022-04-27T13:18:30Z",
    "title_canon_sha256": "6ae3cee4ffa02615233e60d5bea2de44b0f70bbf82f6a14c7ba6c0f1a6a32a47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.12907",
    "kind": "arxiv",
    "version": 3
  }
}