Pith Number

pith:T2TTHZTH

pith:2021:T2TTHZTHCME5BNHGYIGOK2UVVU

not attested not anchored not stored refs pending

Unsupervised Diffeomorphic Surface Registration and Non-Linear Modelling

Balder Croquet, Daan Christiaens, Dirk Vandermeulen, Michael Bronstein, Peter Claes, Seth M. Weinberg

arxiv:2109.13630 v1 · 2021-09-28 · eess.IV · 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{T2TTHZTHCME5BNHGYIGOK2UVVU}

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	2026-07-05T03:18:04.799175Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ea733e6671309d0b4e6c20ce56a95ad30ffe578b8923c2089642cc3afa09610

Aliases

arxiv: 2109.13630 · arxiv_version: 2109.13630v1 · doi: 10.48550/arxiv.2109.13630 · pith_short_12: T2TTHZTHCME5 · pith_short_16: T2TTHZTHCME5BNHG · pith_short_8: T2TTHZTH

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/T2TTHZTHCME5BNHGYIGOK2UVVU \
  | 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: 9ea733e6671309d0b4e6c20ce56a95ad30ffe578b8923c2089642cc3afa09610

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb6075da5a9957b01bd0ef8a1107ad5dc4fefff1d54b71ba6f1e413bc5a67190",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2021-09-28T11:47:12Z",
    "title_canon_sha256": "1ba957a72b8b44b18a2da48f574da906131138047ca2123f224be58649909063"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.13630",
    "kind": "arxiv",
    "version": 1
  }
}