Pith Number

pith:VKXRGJEP

pith:2011:VKXRGJEPM2XUQ4FSJDBPPLGIYY

not attested not anchored not stored refs pending

Who is the best player ever? A complex network analysis of the history of professional tennis

Filippo Radicchi

arxiv:1101.4028 v2 · 2011-01-20 · physics.soc-ph · cs.SI · physics.pop-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{VKXRGJEPM2XUQ4FSJDBPPLGIYY}

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	2026-05-18T04:28:56.538402Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aaaf13248f66af4870b248c2f7acc8c621f4c030c9c4f482f82599ece144fb5f

Aliases

arxiv: 1101.4028 · arxiv_version: 1101.4028v2 · doi: 10.48550/arxiv.1101.4028 · pith_short_12: VKXRGJEPM2XU · pith_short_16: VKXRGJEPM2XUQ4FS · pith_short_8: VKXRGJEP

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/VKXRGJEPM2XUQ4FSJDBPPLGIYY \
  | 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: aaaf13248f66af4870b248c2f7acc8c621f4c030c9c4f482f82599ece144fb5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f49bb2fe4f29213bc2d041024b581e61cd48241fc03c342b9cbae1cb8bbe8e4e",
    "cross_cats_sorted": [
      "cs.SI",
      "physics.pop-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2011-01-20T21:01:27Z",
    "title_canon_sha256": "59eb2efe15e740eb6a30dab1beeff5507f9f184321e6b4e99281fa1956de766d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.4028",
    "kind": "arxiv",
    "version": 2
  }
}