Pith Number

pith:4SXV7ZSH

pith:2026:4SXV7ZSHSFWM4TLI6622MGM37T

not attested not anchored not stored refs pending

Velocity and stroke rate reconstruction of canoe sprint team boats based on panned and zoomed video recordings

Daniel Matthes, Finn Gerdts, Julian Ziegler, Matthias Englert, Mirco Fuchs, Patrick Frenzel, Tina Koevari, Torsten Warnke

arxiv:2602.22941 v2 · 2026-02-26 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4SXV7ZSHSFWM4TLI6622MGM37T}

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	2026-05-20T00:05:42.648506Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4af5fe647916cce4d68f7b5a6199bfcda7f417e42038e1bce580be0f03e0224

Aliases

arxiv: 2602.22941 · arxiv_version: 2602.22941v2 · doi: 10.48550/arxiv.2602.22941 · pith_short_12: 4SXV7ZSHSFWM · pith_short_16: 4SXV7ZSHSFWM4TLI · pith_short_8: 4SXV7ZSH

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/4SXV7ZSHSFWM4TLI6622MGM37T \
  | 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: e4af5fe647916cce4d68f7b5a6199bfcda7f417e42038e1bce580be0f03e0224

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a28bb6c9d0b189c49573277008f42ee37c26f7f230816dcb756e1d8e7dd52855",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-02-26T12:31:30Z",
    "title_canon_sha256": "b52a1050f7d3cdd38d2dd1a4740814c28ef51fcd86e1381afc3149ba62da2283"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.22941",
    "kind": "arxiv",
    "version": 2
  }
}