Pith Number

pith:2CQK7AO7

pith:2026:2CQK7AO7WRDJR343BWR5FG6YEW

not attested not anchored not stored refs pending

A Neural Network Framework for Geodesic-Like Curve Computation on Parametric Surfaces

Chen-Chang Peng, Sheng-Gwo Chen

arxiv:2606.18759 v1 · 2026-06-17 · cs.CG · cs.LG · cs.NA · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2CQK7AO7WRDJR343BWR5FG6YEW}

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	2026-06-19T16:11:46.641875Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0a0af81dfb44698ef9b0da3d29bd82599343b847b849388b6d8df668c2787aa

Aliases

arxiv: 2606.18759 · arxiv_version: 2606.18759v1 · doi: 10.48550/arxiv.2606.18759 · pith_short_12: 2CQK7AO7WRDJ · pith_short_16: 2CQK7AO7WRDJR343 · pith_short_8: 2CQK7AO7

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/2CQK7AO7WRDJR343BWR5FG6YEW \
  | 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: d0a0af81dfb44698ef9b0da3d29bd82599343b847b849388b6d8df668c2787aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3cffdc66b37970d4f2db43461fb99f71dd195d17e1b72f291b8c733b400507c",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2026-06-17T07:18:39Z",
    "title_canon_sha256": "eaa7779a6981db27452a9e1efc496692289bd35f7d6a83f1b50282de808713e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.18759",
    "kind": "arxiv",
    "version": 1
  }
}