Pith Number

pith:CEW5SRUT

pith:2015:CEW5SRUTC72GVFN4JRM2WI2B3E

not attested not anchored not stored refs pending

Resolvable G-designs of order v and index {\lambda}

Antoinette Tripodi, Giovanni Lo faro, Mario Gionfriddo, Salvatore Milici

arxiv:1503.00446 v1 · 2015-03-02 · 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{CEW5SRUTC72GVFN4JRM2WI2B3E}

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	2026-05-18T02:25:54.449079Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

112dd9469317f46a95bc4c59ab2341d926ac589ffaf75e2f18f6968723db0725

Aliases

arxiv: 1503.00446 · arxiv_version: 1503.00446v1 · doi: 10.48550/arxiv.1503.00446 · pith_short_12: CEW5SRUTC72G · pith_short_16: CEW5SRUTC72GVFN4 · pith_short_8: CEW5SRUT

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/CEW5SRUTC72GVFN4JRM2WI2B3E \
  | 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: 112dd9469317f46a95bc4c59ab2341d926ac589ffaf75e2f18f6968723db0725

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26bc580079361d46960adeb3b6359bd992e2a5fb7c054129800420fb54647290",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-03-02T09:07:58Z",
    "title_canon_sha256": "b1f3294c5724927beacbd3fb8a99e1643d0132b0dbd62c74b81a3fe040c11878"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.00446",
    "kind": "arxiv",
    "version": 1
  }
}