Pith Number

pith:JX6INKTP

pith:2021:JX6INKTPUZUJCOH5ZJAXZS2QF5

not attested not anchored not stored refs pending

On Recovering the Best Rank-r Approximation from Few Entries

Ming Yuan, Shun Xu

arxiv:2111.06302 v1 · 2021-11-11 · stat.ME · 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{JX6INKTPUZUJCOH5ZJAXZS2QF5}

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	2026-07-05T03:31:00.173974Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4dfc86aa6fa6689138fdca417ccb502f7deb11c273d7b2192beca339ff5f8b36

Aliases

arxiv: 2111.06302 · arxiv_version: 2111.06302v1 · doi: 10.48550/arxiv.2111.06302 · pith_short_12: JX6INKTPUZUJ · pith_short_16: JX6INKTPUZUJCOH5 · pith_short_8: JX6INKTP

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/JX6INKTPUZUJCOH5ZJAXZS2QF5 \
  | 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: 4dfc86aa6fa6689138fdca417ccb502f7deb11c273d7b2192beca339ff5f8b36

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25dd0e595d79549dd0a41d11338074bb33bbd01d3824e44115a056c0c92b449b",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2021-11-11T16:40:18Z",
    "title_canon_sha256": "595e3ff690da66444b28d50d5a12f7d01f77469adcf171f79e2811dd482d3a8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.06302",
    "kind": "arxiv",
    "version": 1
  }
}