Pith Number

pith:2SHOYUC4

pith:2017:2SHOYUC4HA3KY3IL3HJV56P5PZ

not attested not anchored not stored refs pending

Weakly distance-regular digraphs whose attached association schemes are regular

Benjian Lv, Kaishun Wang, Yuefeng Yang

arxiv:1707.02043 v2 · 2017-07-07 · 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{2SHOYUC4HA3KY3IL3HJV56P5PZ}

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	2026-07-05T00:49:06.546228Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d48eec505c3836ac6d0bd9d35ef9fd7e55571ae31a0c63959b38e2ce27fe684a

Aliases

arxiv: 1707.02043 · arxiv_version: 1707.02043v2 · doi: 10.48550/arxiv.1707.02043 · pith_short_12: 2SHOYUC4HA3K · pith_short_16: 2SHOYUC4HA3KY3IL · pith_short_8: 2SHOYUC4

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/2SHOYUC4HA3KY3IL3HJV56P5PZ \
  | 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: d48eec505c3836ac6d0bd9d35ef9fd7e55571ae31a0c63959b38e2ce27fe684a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8468bec41adc0eccc5972c3116b537ba0c6ea528f8353a87232086c3da00acca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-07-07T05:42:07Z",
    "title_canon_sha256": "613fcb655bc4968a97e2e4e441bca88a49bbf10dd79a9b1a6a2e292ad2ac1370"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.02043",
    "kind": "arxiv",
    "version": 2
  }
}