Pith Number

pith:F4G3UVNY

pith:2025:F4G3UVNYZC7AEEGHATRECYXIEC

not attested not anchored not stored refs pending

Fast, Accurate Manifold Denoising by Tunneling Riemannian Optimization

Arnaud Lamy, John Wright, Mariam Avagyan, Shiyu Wang, Szabolcs M\'arka, Tingran Wang, Yihan Shen, Zsuzsa M\'arka

arxiv:2502.16819 v2 · 2025-02-24 · cs.LG · 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{F4G3UVNYZC7AEEGHATRECYXIEC}

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.

Cited by

1 paper in Pith

Local Averaging Accurately Distills Manifold Structure From Noisy Data

Receipt and verification

First computed	2026-07-05T11:52:59.737418Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f0dba55b8c8be0210c704e24162e820869a382fcc5dd37a1e58b153bb822fb9

Aliases

arxiv: 2502.16819 · arxiv_version: 2502.16819v2 · doi: 10.48550/arxiv.2502.16819 · pith_short_12: F4G3UVNYZC7A · pith_short_16: F4G3UVNYZC7AEEGH · pith_short_8: F4G3UVNY

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/F4G3UVNYZC7AEEGHATRECYXIEC \
  | 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: 2f0dba55b8c8be0210c704e24162e820869a382fcc5dd37a1e58b153bb822fb9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d67af89f85f028d20399b11797d033c0f135f8d1ff0d418327134872fff5bcb",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-02-24T04:02:16Z",
    "title_canon_sha256": "a3f31a83f341753247842d2bbb8e46385e9672c81441fe9d22a3ea7cc8a77145"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.16819",
    "kind": "arxiv",
    "version": 2
  }
}