Pith Number

pith:EZORFW4E

pith:2025:EZORFW4EL63ZVIVQXWADG57NPB

not attested not anchored not stored refs pending

Locating Tennis Ball Impact on the Racket in Real Time Using an Event Camera

Kai Ishibe, Ryoma Yasuda, Sakiko Hashimoto, Yudai Washida, Yuto Kase

arxiv:2506.08327 v1 · 2025-06-10 · 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{EZORFW4EL63ZVIVQXWADG57NPB}

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	2026-07-05T11:18:48.129545Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

265d12db845fb79aa2b0bd803377ed78788faa942db70ada3979ee70d4be5baf

Aliases

arxiv: 2506.08327 · arxiv_version: 2506.08327v1 · doi: 10.48550/arxiv.2506.08327 · pith_short_12: EZORFW4EL63Z · pith_short_16: EZORFW4EL63ZVIVQ · pith_short_8: EZORFW4E

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/EZORFW4EL63ZVIVQXWADG57NPB \
  | 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: 265d12db845fb79aa2b0bd803377ed78788faa942db70ada3979ee70d4be5baf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3cc385268111930074de0bb12d96981a8b36db3f687cd637d665c313ffb4536",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-06-10T01:29:32Z",
    "title_canon_sha256": "282bc31cf7faf5f7dca38e48a5214612ca7d03cf12c586c660e731b23d68cd36"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.08327",
    "kind": "arxiv",
    "version": 1
  }
}