Pith Number

pith:WGUGDZON

pith:2018:WGUGDZONXELC5HU6Y3FVWQSFFW

not attested not anchored not stored refs pending

Nonisometric Surface Registration via Conformal Laplace-Beltrami Basis Pursuit

Michael M. Bronstein, Rongjie Lai, Stefan C. Schonsheck

arxiv:1809.07399 v1 · 2018-09-19 · math.NA · 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{WGUGDZONXELC5HU6Y3FVWQSFFW}

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	2026-05-18T00:05:16.423962Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1a861e5cdb9162e9e9ec6cb5b42452db191d64f5c465dcfe5fd181597abef62

Aliases

arxiv: 1809.07399 · arxiv_version: 1809.07399v1 · doi: 10.48550/arxiv.1809.07399 · pith_short_12: WGUGDZONXELC · pith_short_16: WGUGDZONXELC5HU6 · pith_short_8: WGUGDZON

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/WGUGDZONXELC5HU6Y3FVWQSFFW \
  | 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: b1a861e5cdb9162e9e9ec6cb5b42452db191d64f5c465dcfe5fd181597abef62

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09a5319e76c4ac29756ae098dc3efa51e0c94913da69f4cd20a6ac2b85a529a7",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-09-19T20:30:24Z",
    "title_canon_sha256": "7ca6fe3c9444631afa4137e6714d93cd01d0bed137b8b9cf6e1c9326ccd9b693"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.07399",
    "kind": "arxiv",
    "version": 1
  }
}