Pith Number

pith:BZGG7YBL

pith:2017:BZGG7YBLPAL3UQSD6GLS3Z2PCA

not attested not anchored not stored refs pending

The application of representation theory in directed strongly regular graphs

Bicheng Zhang, Yiqin He

arxiv:1707.07789 v4 · 2017-07-25 · 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{BZGG7YBLPAL3UQSD6GLS3Z2PCA}

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	2026-05-18T00:14:59.972436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e4c6fe02b7817ba4243f1972de74f100faded0b66706531c084de8e7927a2d2

Aliases

arxiv: 1707.07789 · arxiv_version: 1707.07789v4 · doi: 10.48550/arxiv.1707.07789 · pith_short_12: BZGG7YBLPAL3 · pith_short_16: BZGG7YBLPAL3UQSD · pith_short_8: BZGG7YBL

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/BZGG7YBLPAL3UQSD6GLS3Z2PCA \
  | 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: 0e4c6fe02b7817ba4243f1972de74f100faded0b66706531c084de8e7927a2d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d3db6e56ce491f6483d3e1cfafbd2297de91d89ea5cf8843ecbf2f5302bb089",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-07-25T01:57:23Z",
    "title_canon_sha256": "ea907aaf94c90ed956f08181bf3766104aa3e44f85fd4579a8c062acfff4b5c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.07789",
    "kind": "arxiv",
    "version": 4
  }
}