Pith Number

pith:GUOFSLT6

pith:2017:GUOFSLT63V2UDQ4RZEJTDKWUTP

not attested not anchored not stored refs pending

Partially metric association schemes with a multiplicity three

Edwin R. van Dam, Jack H. Koolen, Jongyook Park

arxiv:1701.03193 v1 · 2017-01-12 · 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{GUOFSLT63V2UDQ4RZEJTDKWUTP}

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	2026-05-18T00:52:58.247488Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

351c592e7edd7541c391c91331aad49bd8689c9cdd479f28a615d480a6dc0aef

Aliases

arxiv: 1701.03193 · arxiv_version: 1701.03193v1 · doi: 10.48550/arxiv.1701.03193 · pith_short_12: GUOFSLT63V2U · pith_short_16: GUOFSLT63V2UDQ4R · pith_short_8: GUOFSLT6

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/GUOFSLT63V2UDQ4RZEJTDKWUTP \
  | 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: 351c592e7edd7541c391c91331aad49bd8689c9cdd479f28a615d480a6dc0aef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61951e13cc9123f35c82b6eb31898886ef3c8495dd7e8c3197ddfad9c6491469",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-01-12T00:14:51Z",
    "title_canon_sha256": "8646438c136b262936a52453b058a8fdadbad349e47b6d1ecfbc671ea6da14d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.03193",
    "kind": "arxiv",
    "version": 1
  }
}