Pith Number

pith:5OLKRWXJ

pith:2025:5OLKRWXJ7HRFEF3B4NS2W7VWA4

not attested not anchored not stored refs pending

Robust Least Squares Problems with Binary Uncertain Data

Xiaojun Chen, Yang Zhou

arxiv:2510.11519 v2 · 2025-10-13 · 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{5OLKRWXJ7HRFEF3B4NS2W7VWA4}

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	2026-07-07T02:17:11.852759Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb96a8dae9f9e2521761e365ab7eb6071c0f5d81d1e053ffc69cf1fd1a68707b

Aliases

arxiv: 2510.11519 · arxiv_version: 2510.11519v2 · doi: 10.48550/arxiv.2510.11519 · pith_short_12: 5OLKRWXJ7HRF · pith_short_16: 5OLKRWXJ7HRFEF3B · pith_short_8: 5OLKRWXJ

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/5OLKRWXJ7HRFEF3B4NS2W7VWA4 \
  | 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: eb96a8dae9f9e2521761e365ab7eb6071c0f5d81d1e053ffc69cf1fd1a68707b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a25a22d59ba46e2525358ed94b2b2f20286c6d0aa0f36d7c427dc65d0ccc479d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2025-10-13T15:24:49Z",
    "title_canon_sha256": "6d6fb2c4b613f2e7ed141bf7d66baa03e6edd8e983ed00cac917ec6211c906d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2510.11519",
    "kind": "arxiv",
    "version": 2
  }
}