Pith Number

pith:YDJYRSSC

pith:2014:YDJYRSSCMVLGO6FP6VFWUXOXH2

not attested not anchored not stored refs pending

Analytic Model of Variable Characteristic of Coefficient of Restitution and Its Application to Soccer Ball Trajectory Planning

Byung-Ju Yi, Hwan-Taek Ryu, Younghun Kwon

arxiv:1408.4225 v1 · 2014-08-19 · physics.class-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YDJYRSSCMVLGO6FP6VFWUXOXH2}

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	2026-05-18T02:44:55.843087Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0d388ca4265566778aff54b6a5dd73eb2376a38d5e2672d0088ac379bc4610e

Aliases

arxiv: 1408.4225 · arxiv_version: 1408.4225v1 · doi: 10.48550/arxiv.1408.4225 · pith_short_12: YDJYRSSCMVLG · pith_short_16: YDJYRSSCMVLGO6FP · pith_short_8: YDJYRSSC

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/YDJYRSSCMVLGO6FP6VFWUXOXH2 \
  | 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: c0d388ca4265566778aff54b6a5dd73eb2376a38d5e2672d0088ac379bc4610e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97ac2af945033c9e0dfd915a9946d8f396c842d6b55618a109e33d49dc945d30",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2014-08-19T06:50:55Z",
    "title_canon_sha256": "6e7b06a92dda2e5d53b3ba8e932ca0d7f2e25a5b795c543f55ed885a9cb7f063"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.4225",
    "kind": "arxiv",
    "version": 1
  }
}