Pith Number

pith:OF5R3NFJ

pith:2013:OF5R3NFJQPBU4IFXZTLRN4IQJR

not attested not anchored not stored refs pending

Simplified results on the regularity of electric resistance on a distance-regular graph

Greg Markowsky, Jacobus Koolen

arxiv:1303.5147 v1 · 2013-03-21 · 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{OF5R3NFJQPBU4IFXZTLRN4IQJR}

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	2026-05-18T03:30:14.372410Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

717b1db4a983c34e20b7ccd716f1104c70b0a707b495640c77fbea5f0262cfa9

Aliases

arxiv: 1303.5147 · arxiv_version: 1303.5147v1 · doi: 10.48550/arxiv.1303.5147 · pith_short_12: OF5R3NFJQPBU · pith_short_16: OF5R3NFJQPBU4IFX · pith_short_8: OF5R3NFJ

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/OF5R3NFJQPBU4IFXZTLRN4IQJR \
  | 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: 717b1db4a983c34e20b7ccd716f1104c70b0a707b495640c77fbea5f0262cfa9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e09fe70100ed6d8c68bb3bbdac18be3aea3bf8b30da9143be56c1276a407b9ae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-03-21T02:55:26Z",
    "title_canon_sha256": "b18f16d8f27ec865c872f318c57d16d975eb2402a2706a89a7c23bf3fd5adc1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.5147",
    "kind": "arxiv",
    "version": 1
  }
}