Pith Number

pith:FNRRHW3G

pith:2017:FNRRHW3G2Z7HUYSA7CARHMP7GQ

not attested not anchored not stored refs pending

On the connectivity of graphs in association schemes

Brian G. Kodalen, William J. Martin

arxiv:1702.03801 v2 · 2017-02-13 · 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{FNRRHW3G2Z7HUYSA7CARHMP7GQ}

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	2026-05-18T00:34:35.118930Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b6313db66d67e7a6240f88113b1ff34341f7a61300847016df37d00e11fe17a

Aliases

arxiv: 1702.03801 · arxiv_version: 1702.03801v2 · doi: 10.48550/arxiv.1702.03801 · pith_short_12: FNRRHW3G2Z7H · pith_short_16: FNRRHW3G2Z7HUYSA · pith_short_8: FNRRHW3G

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/FNRRHW3G2Z7HUYSA7CARHMP7GQ \
  | 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: 2b6313db66d67e7a6240f88113b1ff34341f7a61300847016df37d00e11fe17a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ed03df42e73eb2c949a634bd4a54da5cc004aaea8fac740a4b961ae57985179",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-02-13T15:04:53Z",
    "title_canon_sha256": "34902c3e63110e53a6b9b9a5a485788a20da92533ac1185a3ef6492070a8119d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.03801",
    "kind": "arxiv",
    "version": 2
  }
}