Pith Number

pith:3MAKPWC2

pith:2019:3MAKPWC27UMNDGINOBYXUWLR5L

not attested not anchored not stored refs pending

A solution to a Partitioned Balanced Tournament Design of side 11

Fabio Salassa, Federico Della Croce, Gabriele Dragotto

arxiv:1903.06166 v2 · 2019-03-14 · 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{3MAKPWC27UMNDGINOBYXUWLR5L}

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	2026-05-17T23:50:54.768754Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db00a7d85afd18d1990d70717a5971eafca7598a9a88544e8b52b98f9b15a5a7

Aliases

arxiv: 1903.06166 · arxiv_version: 1903.06166v2 · doi: 10.48550/arxiv.1903.06166 · pith_short_12: 3MAKPWC27UMN · pith_short_16: 3MAKPWC27UMNDGIN · pith_short_8: 3MAKPWC2

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/3MAKPWC27UMNDGINOBYXUWLR5L \
  | 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: db00a7d85afd18d1990d70717a5971eafca7598a9a88544e8b52b98f9b15a5a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9db2831c8c729706019d570116c72957a497b3e233890ec925c3c429d09a8d0c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-03-14T17:07:15Z",
    "title_canon_sha256": "2673292be03d524a3de6b1645bd7625398e33d684444bc1e5c8e774ae4163597"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.06166",
    "kind": "arxiv",
    "version": 2
  }
}