Pith Number

pith:EQVI5ZQZ

pith:2017:EQVI5ZQZUWLPPUTA6U4I4QBYP6

not attested not anchored not stored refs pending

Lombardi Drawings of Knots and Links

Andr\'e Schulz, Birgit Vogtenhuber, Maarten L\"offler, Martin N\"ollenburg, Philipp Kindermann, Stephen Kobourov

arxiv:1708.09819 v2 · 2017-08-31 · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EQVI5ZQZUWLPPUTA6U4I4QBYP6}

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	2026-05-17T23:51:39.859990Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

242a8ee619a596f7d260f5388e40387fa90e7617cd2426b97c618b331b1a7901

Aliases

arxiv: 1708.09819 · arxiv_version: 1708.09819v2 · doi: 10.48550/arxiv.1708.09819 · pith_short_12: EQVI5ZQZUWLP · pith_short_16: EQVI5ZQZUWLPPUTA · pith_short_8: EQVI5ZQZ

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/EQVI5ZQZUWLPPUTA6U4I4QBYP6 \
  | 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: 242a8ee619a596f7d260f5388e40387fa90e7617cd2426b97c618b331b1a7901

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00931cb17e6a8902f33069ea9685d548dabfcfdfa8b62a9a33e0a2b33b8570f4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2017-08-31T17:02:19Z",
    "title_canon_sha256": "63d611fdb68a11bdc14e8bfb7332f3bbd494a7ca8bccc2b8fe0efc45977c8b92"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.09819",
    "kind": "arxiv",
    "version": 2
  }
}