Pith Number

pith:PDAQVCRE

pith:2026:PDAQVCRERF6QZKFOVQRXKGDZ22

not attested not anchored not stored refs pending

Blended Chart Surfaces: A Seamless Explicit Representation for Smooth Surface Fitting

Niloy Mitra, Romy Williamson

arxiv:2606.18069 v1 · 2026-06-16 · cs.GR · cs.CG · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PDAQVCRERF6QZKFOVQRXKGDZ22}

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	2026-06-19T16:10:47.724175Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78c10a8a24897d0ca8aeac23751879d69405146e46d9e2333d6ed5ada9772437

Aliases

arxiv: 2606.18069 · arxiv_version: 2606.18069v1 · doi: 10.48550/arxiv.2606.18069 · pith_short_12: PDAQVCRERF6Q · pith_short_16: PDAQVCRERF6QZKFO · pith_short_8: PDAQVCRE

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/PDAQVCRERF6QZKFOVQRXKGDZ22 \
  | 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: 78c10a8a24897d0ca8aeac23751879d69405146e46d9e2333d6ed5ada9772437

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9bccae77f503e284de9d0e7a70368c3c0b641ee02fac8c027ea03413a047c892",
    "cross_cats_sorted": [
      "cs.CG",
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.GR",
    "submitted_at": "2026-06-16T15:39:38Z",
    "title_canon_sha256": "66f1ae9588dc72b32d22b03e7c2e894058f86e010257fef703cbad937af8bd7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.18069",
    "kind": "arxiv",
    "version": 1
  }
}