Pith Number

pith:KKQ6UOVQ

pith:2020:KKQ6UOVQN6G4VTY6GCJXIKCZLT

not attested not anchored not stored refs pending

About the Serpinsky-Knopp curve

Evgeny Shchepin

arxiv:2003.01390 v1 · 2020-03-03 · math.MG · 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{KKQ6UOVQN6G4VTY6GCJXIKCZLT}

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	2026-07-05T01:29:55.382072Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52a1ea3ab06f8dcacf1e30937428595cdc4f057caefc4a9a9b8879622d046aff

Aliases

arxiv: 2003.01390 · arxiv_version: 2003.01390v1 · doi: 10.48550/arxiv.2003.01390 · pith_short_12: KKQ6UOVQN6G4 · pith_short_16: KKQ6UOVQN6G4VTY6 · pith_short_8: KKQ6UOVQ

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/KKQ6UOVQN6G4VTY6GCJXIKCZLT \
  | 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: 52a1ea3ab06f8dcacf1e30937428595cdc4f057caefc4a9a9b8879622d046aff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13135a43e7d123220b6d99a1eaaeaaf6dd0f571f6fbf739ae47bba9374a36cc3",
    "cross_cats_sorted": [
      "cs.CG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2020-03-03T08:33:47Z",
    "title_canon_sha256": "8224d5b724db491a40425542ddd14f59539576ba0e6aeba7a574e70ad694bc5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.01390",
    "kind": "arxiv",
    "version": 1
  }
}