Pith Number

pith:3PNVEOAS

pith:2019:3PNVEOASI3BFLBHFMKKJ7ASBIT

not attested not anchored not stored refs pending

The Weighted Gaussian Curvature Derivative of a Space-Filling Diagram

Arseniy Akopyan, Herbert Edelsbrunner

arxiv:1908.06777 v2 · 2019-08-19 · cs.CG · physics.bio-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3PNVEOASI3BFLBHFMKKJ7ASBIT}

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	2026-07-05T01:21:34.590936Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbdb52381246c25584e562949f824144e40b4488dd63315a61dd191dcb0170f1

Aliases

arxiv: 1908.06777 · arxiv_version: 1908.06777v2 · doi: 10.48550/arxiv.1908.06777 · pith_short_12: 3PNVEOASI3BF · pith_short_16: 3PNVEOASI3BFLBHF · pith_short_8: 3PNVEOAS

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/3PNVEOASI3BFLBHFMKKJ7ASBIT \
  | 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: dbdb52381246c25584e562949f824144e40b4488dd63315a61dd191dcb0170f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39d920ee28c5c44639703ef6750d1634d2984228ac72ba0b5e134b7ad3d7e9af",
    "cross_cats_sorted": [
      "physics.bio-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2019-08-19T13:10:27Z",
    "title_canon_sha256": "19a42b0472ddb27c8a9b4b9bc465fe18a532bd3efad830d0335537f2ea0da69b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.06777",
    "kind": "arxiv",
    "version": 2
  }
}