Pith Number

pith:PKVCVISD

pith:2026:PKVCVISDRZUNC5OTYGRWNUTVKV

not attested not anchored not stored refs pending

Robust Low-Tubal-Rank Tensor Completion under Cross-Concentrated Sampling

Chengyue Wu, HanQin Cai, Jing Qin, Longxiu Huang

arxiv:2608.03928 v1 · 2026-08-04 · stat.ML · cs.IT · cs.LG · cs.NA · math.IT · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PKVCVISDRZUNC5OTYGRWNUTVKV}

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	2026-08-05T01:37:31.797190Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7aaa2aa2438e68d175d3c1a366d275557c934336dc4fe22a7a04f0b1d5d85e57

Aliases

arxiv: 2608.03928 · arxiv_version: 2608.03928v1 · doi: 10.48550/arxiv.2608.03928 · pith_short_12: PKVCVISDRZUN · pith_short_16: PKVCVISDRZUNC5OT · pith_short_8: PKVCVISD

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/PKVCVISDRZUNC5OTYGRWNUTVKV \
  | 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: 7aaa2aa2438e68d175d3c1a366d275557c934336dc4fe22a7a04f0b1d5d85e57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac8e02a8d449bb7ebbe9fb40f7c5217eeb095ffd6b7f0b742b294e0f2d17598a",
    "cross_cats_sorted": [
      "cs.IT",
      "cs.LG",
      "cs.NA",
      "math.IT",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2026-08-04T16:59:58Z",
    "title_canon_sha256": "8f8bac3ec7b2e3b3c8afcb14a5bc653930c59d700bdd499fbef09766c05b449b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.03928",
    "kind": "arxiv",
    "version": 1
  }
}