Pith Number

pith:BUWRGUS6

pith:2017:BUWRGUS6N36CGCUU3JCWJG5IFF

not attested not anchored not stored refs pending

From subKautz digraphs to cyclic Kautz digraphs

C. Dalf\'o

arxiv:1709.01882 v1 · 2017-09-06 · 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{BUWRGUS6N36CGCUU3JCWJG5IFF}

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	2026-05-18T00:35:54.124383Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d2d13525e6efc230a94da45649ba8294a67ab75b556e48682124e9c408ccbe5

Aliases

arxiv: 1709.01882 · arxiv_version: 1709.01882v1 · doi: 10.48550/arxiv.1709.01882 · pith_short_12: BUWRGUS6N36C · pith_short_16: BUWRGUS6N36CGCUU · pith_short_8: BUWRGUS6

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/BUWRGUS6N36CGCUU3JCWJG5IFF \
  | 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: 0d2d13525e6efc230a94da45649ba8294a67ab75b556e48682124e9c408ccbe5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8c8a454b90f2e5cec2551d98088d0f7999525d562629b0f997fe35332fbdb18",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-09-06T16:34:23Z",
    "title_canon_sha256": "7c658b3992cf5457ce2e2b1ff67e0fb1611fd0619153e1779cbb9f31e8086442"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.01882",
    "kind": "arxiv",
    "version": 1
  }
}