Pith Number

pith:6KFGUWXI

pith:2014:6KFGUWXIK2GU4W7CWWPQQ7PSHQ

not attested not anchored not stored refs pending

Developing a Mathematical Model for Bobbin Lace

Frank Ruskey, Veronika Irvine

arxiv:1406.1532 v3 · 2014-06-05 · 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{6KFGUWXIK2GU4W7CWWPQQ7PSHQ}

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	2026-05-18T02:30:54.927916Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f28a6a5ae8568d4e5be2b59f087df23c304390726019d6c585713cbd6a5321b8

Aliases

arxiv: 1406.1532 · arxiv_version: 1406.1532v3 · doi: 10.48550/arxiv.1406.1532 · pith_short_12: 6KFGUWXIK2GU · pith_short_16: 6KFGUWXIK2GU4W7C · pith_short_8: 6KFGUWXI

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/6KFGUWXIK2GU4W7CWWPQQ7PSHQ \
  | 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: f28a6a5ae8568d4e5be2b59f087df23c304390726019d6c585713cbd6a5321b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8971e179351a710daed86a285d1e84d25e0c570008efdc431c740ce3c59b7b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-06-05T21:50:55Z",
    "title_canon_sha256": "e554c55bfb48827465cb1d279a544a8d9623c3ef977f77adf3e994abffe3659c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.1532",
    "kind": "arxiv",
    "version": 3
  }
}