Pith Number

pith:EO2LETKD

pith:2015:EO2LETKDQG4SJKBG44NX6Q3TOD

not attested not anchored not stored refs pending

On the ranking of a Swiss system chess team tournament

L\'aszl\'o Csat\'o

arxiv:1507.05045 v5 · 2015-07-08 · stat.AP · cs.DM · cs.GT · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EO2LETKDQG4SJKBG44NX6Q3TOD}

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	2026-05-17T23:42:59.371847Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23b4b24d4381b924a826e71b7f437370f8007796d9e9c28518fe4eb99e4bb1cd

Aliases

arxiv: 1507.05045 · arxiv_version: 1507.05045v5 · doi: 10.48550/arxiv.1507.05045 · pith_short_12: EO2LETKDQG4S · pith_short_16: EO2LETKDQG4SJKBG · pith_short_8: EO2LETKD

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/EO2LETKDQG4SJKBG44NX6Q3TOD \
  | 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: 23b4b24d4381b924a826e71b7f437370f8007796d9e9c28518fe4eb99e4bb1cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "545f02e8a18880fd364fdfa74ca9739d5f84cffed676a238df58c7ca0ed2c5e1",
    "cross_cats_sorted": [
      "cs.DM",
      "cs.GT",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2015-07-08T11:44:06Z",
    "title_canon_sha256": "d4e31f4af5d6583244e3b87789fcf20a7f67cea7faaed0dc163ff2e353339ef1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.05045",
    "kind": "arxiv",
    "version": 5
  }
}