Pith Number

pith:VIKW7S5N

pith:2021:VIKW7S5N5L4JVFNFL6RDKY3OPM

not attested not anchored not stored refs pending

Accurate Point Cloud Registration with Robust Optimal Transport

Ariel Hern\'an Curiale, Jean Feydy, Marc Niethammer, Peirong Liu, Raul San Jose Estepar, Ruben San Jose Estepar, Zhengyang Shen

arxiv:2111.00648 v1 · 2021-11-01 · cs.CV · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VIKW7S5N5L4JVFNFL6RDKY3OPM}

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	2026-07-05T03:27:45.366583Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa156fcbadeaf89a95a55fa235636e7b0c9b1d4c1143189ed45f3c78b5f20224

Aliases

arxiv: 2111.00648 · arxiv_version: 2111.00648v1 · doi: 10.48550/arxiv.2111.00648 · pith_short_12: VIKW7S5N5L4J · pith_short_16: VIKW7S5N5L4JVFNF · pith_short_8: VIKW7S5N

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/VIKW7S5N5L4JVFNFL6RDKY3OPM \
  | 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: aa156fcbadeaf89a95a55fa235636e7b0c9b1d4c1143189ed45f3c78b5f20224

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "562a00394464282694d3f8065ed98d674601fe9ce6f40227abb76d62ffee5aea",
    "cross_cats_sorted": [
      "cs.CG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-11-01T01:34:46Z",
    "title_canon_sha256": "15241920695dcd65b877db869d738f431e7aedc6140bcf08bfa894dd51e01cfe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.00648",
    "kind": "arxiv",
    "version": 1
  }
}