Pith Number

pith:GQZMIRGB

pith:2020:GQZMIRGBMQTETUSZBK3T7X7GMB

not attested not anchored not stored refs pending

A mass-spring fluid-structure interaction solver: Application to flexible revolving wings

Dmitry Kolomenskiy, Hung Truong, Kai Schneider, Thomas Engels

arxiv:2002.08642 v1 · 2020-02-20 · 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{GQZMIRGBMQTETUSZBK3T7X7GMB}

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	2026-07-05T00:42:36.923808Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3432c444c1642649d2590ab73fdfe660564668771c67b440fb0b4203303fd8e4

Aliases

arxiv: 2002.08642 · arxiv_version: 2002.08642v1 · doi: 10.48550/arxiv.2002.08642 · pith_short_12: GQZMIRGBMQTE · pith_short_16: GQZMIRGBMQTETUSZ · pith_short_8: GQZMIRGB

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/GQZMIRGBMQTETUSZBK3T7X7GMB \
  | 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: 3432c444c1642649d2590ab73fdfe660564668771c67b440fb0b4203303fd8e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "569b8e31a42cc14c065dbaceed0f8323423a0503e1841bc8b6bb90b7a15ac283",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2020-02-20T09:53:23Z",
    "title_canon_sha256": "405c3f235818398bb6a9b2e8d5d354c3c8e81b2f10824371ed91d2915ae2dd03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.08642",
    "kind": "arxiv",
    "version": 1
  }
}