Pith Number

pith:CEUPVWSV

pith:2021:CEUPVWSV4KHED7J7SX3WCS7PM4

not attested not anchored not stored refs pending

Weakly distance-regular digraphs of one type of arcs

Yuefeng Yang, Yushuang Fan, Zhiqi Wang

arxiv:2108.00613 v1 · 2021-08-02 · 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{CEUPVWSV4KHED7J7SX3WCS7PM4}

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	2026-07-05T03:02:25.113651Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1128fada55e28e41fd3f95f7614bef67154970add3aa4e0f992bbde82e91c3c5

Aliases

arxiv: 2108.00613 · arxiv_version: 2108.00613v1 · doi: 10.48550/arxiv.2108.00613 · pith_short_12: CEUPVWSV4KHE · pith_short_16: CEUPVWSV4KHED7J7 · pith_short_8: CEUPVWSV

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/CEUPVWSV4KHED7J7SX3WCS7PM4 \
  | 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: 1128fada55e28e41fd3f95f7614bef67154970add3aa4e0f992bbde82e91c3c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe0e84c90d687ce118b8964b0ec618836b2d128c3e9217f9f8fa43c3b4b38e05",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2021-08-02T03:13:12Z",
    "title_canon_sha256": "954c613950602ab94f4e6317c171cf5073cc4f3e0077e0ce2641bccfdbe3f282"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.00613",
    "kind": "arxiv",
    "version": 1
  }
}