Pith Number

pith:BXP66B3T

pith:2025:BXP66B3TNJIF7VJL6V25EKIFZT

not attested not anchored not stored refs pending

Fast exact recovery of noisy matrix from few entries: the infinity norm approach

BaoLinh Tran, Van Vu

arxiv:2501.19224 v2 · 2025-01-31 · math.ST · cs.LG · math.CO · math.PR · stat.AP · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BXP66B3TNJIF7VJL6V25EKIFZT}

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	2026-07-05T10:24:30.579667Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ddfef07736a505fd52bf575d22905ccff4bd8bc0ff16387f3e6184dd049fa30

Aliases

arxiv: 2501.19224 · arxiv_version: 2501.19224v2 · doi: 10.48550/arxiv.2501.19224 · pith_short_12: BXP66B3TNJIF · pith_short_16: BXP66B3TNJIF7VJL · pith_short_8: BXP66B3T

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/BXP66B3TNJIF7VJL6V25EKIFZT \
  | 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: 0ddfef07736a505fd52bf575d22905ccff4bd8bc0ff16387f3e6184dd049fa30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f906e5ff5b6b0227c34121674c5a40df2b95771b1a54f0611a043b26d1d396db",
    "cross_cats_sorted": [
      "cs.LG",
      "math.CO",
      "math.PR",
      "stat.AP",
      "stat.TH"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2025-01-31T15:31:01Z",
    "title_canon_sha256": "fdd6189e320da9167e0a3c4b7aa2e0bf5bb32f0913d962ecf789e458d6f397fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.19224",
    "kind": "arxiv",
    "version": 2
  }
}