Pith Number

pith:FRB2PPQH

pith:2016:FRB2PPQHMBVJOX63SOFLW3GLN3

not attested not anchored not stored refs pending

Vertex-imprimitive symmetric graphs with exactly one edge between any two distinct blocks

Binzhou Xia, Sanming Zhou, Teng Fang, Xin Gui Fang

arxiv:1605.03530 v3 · 2016-05-11 · math.GR · 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{FRB2PPQHMBVJOX63SOFLW3GLN3}

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	2026-05-18T00:42:17.899032Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c43a7be07606a975fdb938abb6ccb6eef5588c33cfa835b6a14866c8568b4a9

Aliases

arxiv: 1605.03530 · arxiv_version: 1605.03530v3 · doi: 10.48550/arxiv.1605.03530 · pith_short_12: FRB2PPQHMBVJ · pith_short_16: FRB2PPQHMBVJOX63 · pith_short_8: FRB2PPQH

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/FRB2PPQHMBVJOX63SOFLW3GLN3 \
  | 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: 2c43a7be07606a975fdb938abb6ccb6eef5588c33cfa835b6a14866c8568b4a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d4b3c62df768b806575452b0e9ece4fde071f46d37daf7bd0ace098fde4018f",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2016-05-11T17:41:26Z",
    "title_canon_sha256": "4e6c73092a883a21f18ee38808948c2c38379e4ba29093121e608eeef7efa173"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.03530",
    "kind": "arxiv",
    "version": 3
  }
}