Pith Number

pith:7RSHNH25

pith:2012:7RSHNH25F47PBPI3465P3BYCGJ

not attested not anchored not stored refs pending

A note on "Folding wheels and fans."

Ton Kloks, Yue-Li Wang

arxiv:1209.3236 v1 · 2012-08-29 · math.CO · cs.DM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7RSHNH25F47PBPI3465P3BYCGJ}

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	2026-05-18T03:45:32.438482Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc64769f5d2f3ef0bd1be7bafd8702325299f007500c084a4f0c69eba7af9ae2

Aliases

arxiv: 1209.3236 · arxiv_version: 1209.3236v1 · doi: 10.48550/arxiv.1209.3236 · pith_short_12: 7RSHNH25F47P · pith_short_16: 7RSHNH25F47PBPI3 · pith_short_8: 7RSHNH25

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/7RSHNH25F47PBPI3465P3BYCGJ \
  | 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: fc64769f5d2f3ef0bd1be7bafd8702325299f007500c084a4f0c69eba7af9ae2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "edcc98d31e6c1278441a9bd17c08625b86378ef957334c2f541ab4203f107c1b",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2012-08-29T09:00:45Z",
    "title_canon_sha256": "1e94c401f6d30f98b96dbf701b63a269b1daf96879195439ed51b971b3e60440"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.3236",
    "kind": "arxiv",
    "version": 1
  }
}