Pith Number

pith:IEPZX3BN

pith:2023:IEPZX3BNZNTTQMITQSUBRBXDNE

not attested not anchored not stored refs pending

OptCtrlPoints: Finding the Optimal Control Points for Biharmonic 3D Shape Deformation

Alec Jacobson, Despoina Paschalidou, Kunho Kim, Leonidas J. Guibas, Mikaela Angelina Uy, Minhyuk Sung

arxiv:2309.12899 v2 · 2023-09-22 · cs.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IEPZX3BNZNTTQMITQSUBRBXDNE}

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	2026-07-05T07:00:28.145549Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

411f9bec2dcb6738311384a81886e36938a7ed763fe63734d0caba95cb7ab8cb

Aliases

arxiv: 2309.12899 · arxiv_version: 2309.12899v2 · doi: 10.48550/arxiv.2309.12899 · pith_short_12: IEPZX3BNZNTT · pith_short_16: IEPZX3BNZNTTQMIT · pith_short_8: IEPZX3BN

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/IEPZX3BNZNTTQMITQSUBRBXDNE \
  | 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: 411f9bec2dcb6738311384a81886e36938a7ed763fe63734d0caba95cb7ab8cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ced97a99b0e90b997e64b886399dc194f3294b69f929ae6a646ba796f157cdfa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GR",
    "submitted_at": "2023-09-22T14:37:05Z",
    "title_canon_sha256": "fd900b9cc6cd78f7097ad596242ec49676ad6fad0f70334c2b7c71b2761bb19e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2309.12899",
    "kind": "arxiv",
    "version": 2
  }
}