Pith Number

pith:YGQREDCW

pith:2026:YGQREDCWN6SUQ6Z6ZCX6JSBYLE

not attested not anchored not stored refs pending

SURGE: Approximation-free Training Free Particle Filter for Diffusion Surrogate

Lifu Wei, Naichen Shi, Yinuo Ren, Yiping Lu

arxiv:2605.18745 v1 · 2026-05-18 · stat.ML · cs.LG · cs.NA · math.NA · math.PR · q-fin.MF · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YGQREDCWN6SUQ6Z6ZCX6JSBYLE}

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	2026-05-20T00:06:18.766118Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1a1120c566fa5487b3ec8afe4c8385900dc2522e16622add191dc00f582aec3

Aliases

arxiv: 2605.18745 · arxiv_version: 2605.18745v1 · doi: 10.48550/arxiv.2605.18745 · pith_short_12: YGQREDCWN6SU · pith_short_16: YGQREDCWN6SUQ6Z6 · pith_short_8: YGQREDCW

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/YGQREDCWN6SUQ6Z6ZCX6JSBYLE \
  | 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: c1a1120c566fa5487b3ec8afe4c8385900dc2522e16622add191dc00f582aec3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24f879ed44340383fc46f3ae7dd813f3d07bf203db82e0c7ec2c45563f46f681",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NA",
      "math.NA",
      "math.PR",
      "q-fin.MF",
      "stat.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2026-05-18T17:59:00Z",
    "title_canon_sha256": "e0c6196ce5b05b7173691786c44fc04eeea63432cd88ffe21f0f12b4a8a8ec17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.18745",
    "kind": "arxiv",
    "version": 1
  }
}