Pith Number

pith:6SZ5XA7P

pith:2017:6SZ5XA7PFTFEKWXVZ5JVSZCESF

not attested not anchored not stored refs pending

Fast Low-Rank Matrix Estimation without the Condition Number

Chinmay Hegde, Mohammadreza Soltani

arxiv:1712.03281 v1 · 2017-12-08 · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6SZ5XA7PFTFEKWXVZ5JVSZCESF}

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	2026-05-18T00:28:21.774186Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f4b3db83ef2cca455af5cf53596444914f5f8201297b9ea3c41a207e4b37a8d3

Aliases

arxiv: 1712.03281 · arxiv_version: 1712.03281v1 · doi: 10.48550/arxiv.1712.03281 · pith_short_12: 6SZ5XA7PFTFE · pith_short_16: 6SZ5XA7PFTFEKWXV · pith_short_8: 6SZ5XA7P

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/6SZ5XA7PFTFEKWXVZ5JVSZCESF \
  | 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: f4b3db83ef2cca455af5cf53596444914f5f8201297b9ea3c41a207e4b37a8d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac05ff5a2ee6083d06678770c2c8c5a9f0af675b1f8982f7b0756e284811899a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2017-12-08T21:10:42Z",
    "title_canon_sha256": "6f61b5e332136d9e6bd838392594732e5ea3de079684ead79ee013bc4c941404"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.03281",
    "kind": "arxiv",
    "version": 1
  }
}