Pith Number

pith:654GE3LS

pith:2015:654GE3LSGCXSK3Z54PBHJCTS6T

not attested not anchored not stored refs pending

Matrix completion by singular value thresholding: sharp bounds

Modal'x), Olga Klopp (CREST

arxiv:1502.00146 v1 · 2015-01-31 · math.ST · 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{654GE3LSGCXSK3Z54PBHJCTS6T}

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	2026-05-18T02:28:12.645341Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f778626d7230af256f3de3c2748a72f4c35b08b2a4c7f02be3de3153506f98b1

Aliases

arxiv: 1502.00146 · arxiv_version: 1502.00146v1 · doi: 10.48550/arxiv.1502.00146 · pith_short_12: 654GE3LSGCXS · pith_short_16: 654GE3LSGCXSK3Z5 · pith_short_8: 654GE3LS

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/654GE3LSGCXSK3Z54PBHJCTS6T \
  | 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: f778626d7230af256f3de3c2748a72f4c35b08b2a4c7f02be3de3153506f98b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e15fe77470efcfc3d333609e90c935f30d9dbfc5f53317650b18a26e68a0c7c4",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2015-01-31T18:49:04Z",
    "title_canon_sha256": "e535b9d493f9ac2c557619765416a5409916e4ff4915d8fa17313abe2dab6c63"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.00146",
    "kind": "arxiv",
    "version": 1
  }
}