Pith Number

pith:TGRJZIUY

pith:2015:TGRJZIUYEAYWXJWATSI7MVSIHB

not attested not anchored not stored refs pending

What statistics can tell us about strategy in tennis

I. Y. Kawashima, M. T. Yamashita, O. Helene, R. S. Marques de Carvalho

arxiv:1511.06163 v2 · 2015-11-19 · physics.pop-ph · physics.soc-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{TGRJZIUYEAYWXJWATSI7MVSIHB}

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	2026-05-18T01:12:19.888443Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

99a29ca29820316ba6c09c91f656483858da77c82a359a7163c4e4b31a9f67d2

Aliases

arxiv: 1511.06163 · arxiv_version: 1511.06163v2 · doi: 10.48550/arxiv.1511.06163 · pith_short_12: TGRJZIUYEAYW · pith_short_16: TGRJZIUYEAYWXJWA · pith_short_8: TGRJZIUY

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/TGRJZIUYEAYWXJWATSI7MVSIHB \
  | 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: 99a29ca29820316ba6c09c91f656483858da77c82a359a7163c4e4b31a9f67d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bad2403fa09cc54a8a1e1f742dc5af3b25269cd9e2565014b3aa93b6897491b1",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.pop-ph",
    "submitted_at": "2015-11-19T13:36:48Z",
    "title_canon_sha256": "87dd0df1d7004281991e9e1ff4c0b8e66387da4432d3281894a230603b4bb37b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.06163",
    "kind": "arxiv",
    "version": 2
  }
}