Pith Number

pith:S64PMSOR

pith:2026:S64PMSORLLWKWARZBVZJBXBNOC

not attested not anchored not stored refs pending

A weighted quantile filter based framework for interface optimal design problems

Dong Wang, Sihao Cheng, Ziming Shao

arxiv:2602.19155 v2 · 2026-02-22 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S64PMSORLLWKWARZBVZJBXBNOC}

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	2026-08-18T01:14:17.172208Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97b8f649d15aecab02390d7290dc2d708bec7702ed891470b46caeaacf8bba60

Aliases

arxiv: 2602.19155 · arxiv_version: 2602.19155v2 · doi: 10.48550/arxiv.2602.19155 · pith_short_12: S64PMSORLLWK · pith_short_16: S64PMSORLLWKWARZ · pith_short_8: S64PMSOR

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/S64PMSORLLWKWARZBVZJBXBNOC \
  | 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: 97b8f649d15aecab02390d7290dc2d708bec7702ed891470b46caeaacf8bba60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1721c5d49e73ffc885552cbefc77602a61bcf6c8bb089af84d2c5dd859288d4",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-02-22T12:35:16Z",
    "title_canon_sha256": "14f98944716d1ab28598812ad000198367d7e353c7130b3851ae6d751afed668"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.19155",
    "kind": "arxiv",
    "version": 2
  }
}