Pith Number

pith:UW3ZHYKB

pith:2013:UW3ZHYKBWYTQETVNA6PPYVVQXY

not attested not anchored not stored refs pending

Piecewise rigid curve deformation via a Finsler steepest descent

Fran\c{c}ois-Xavier Vialard (CEREMADE), Gabriel Peyr\'e (CEREMADE), Giacomo Nardi (CEREMADE), Guillaume Charpiat (INRIA Sophia Antipolis)

arxiv:1308.0224 v3 · 2013-08-01 · math.NA · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UW3ZHYKBWYTQETVNA6PPYVVQXY}

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	2026-05-18T01:25:16.421704Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5b793e141b627024ead079efc56b0be224af387bdfbae7f50af01ae4a18a0ff

Aliases

arxiv: 1308.0224 · arxiv_version: 1308.0224v3 · doi: 10.48550/arxiv.1308.0224 · pith_short_12: UW3ZHYKBWYTQ · pith_short_16: UW3ZHYKBWYTQETVN · pith_short_8: UW3ZHYKB

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/UW3ZHYKBWYTQETVNA6PPYVVQXY \
  | 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: a5b793e141b627024ead079efc56b0be224af387bdfbae7f50af01ae4a18a0ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81f79401f289ae5dd915fbfd0eb1354c546828e07f5d2e20231daa93afb3d69d",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-08-01T14:37:31Z",
    "title_canon_sha256": "c69284d1b33b936e25e86e6a53e5ef72bc95b348a09c3bb6b44771726439adf5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.0224",
    "kind": "arxiv",
    "version": 3
  }
}