Pith Number

pith:I3HPPD54

pith:2025:I3HPPD54F5XSEW526ODZG3TMH6

not attested not anchored not stored refs pending

FFT-based Alignment of 2d Closed Curves with Application to Elastic Shape Analysis

Charles Hagwood, G\"unay Dogan, Javier Bernal

arxiv:2501.17779 v1 · 2025-01-29 · math.DG

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I3HPPD54F5XSEW526ODZG3TMH6}

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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.

Cited by

1 paper in Pith

Bootstrap-based Hypothesis Test of 2D Contours using Elastic Shape Analysis

Receipt and verification

First computed	2026-07-05T10:06:57.700695Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46cef78fbc2f6f225bbaf387936e6c3fb852837182e3532b6a8ea5fdf31a0d8e

Aliases

arxiv: 2501.17779 · arxiv_version: 2501.17779v1 · doi: 10.48550/arxiv.2501.17779 · pith_short_12: I3HPPD54F5XS · pith_short_16: I3HPPD54F5XSEW52 · pith_short_8: I3HPPD54

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/I3HPPD54F5XSEW526ODZG3TMH6 \
  | 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: 46cef78fbc2f6f225bbaf387936e6c3fb852837182e3532b6a8ea5fdf31a0d8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cdf5035dd5c5a5d9376c01712f7d0c0b5673ecd96d1f0667c23f28ece099692d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2025-01-29T17:14:44Z",
    "title_canon_sha256": "07cfb70bc9e8af3069bc89c86d9ccafba29bdf250c63b2f7534ca9d25818728b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.17779",
    "kind": "arxiv",
    "version": 1
  }
}