Pith Number

pith:4RHBS3FO

pith:2025:4RHBS3FOWBG7YWALSB7KPDMGRC

not attested not anchored not stored refs pending

Transfer Learning for Matrix Completion

Dali Liu, Haolei Weng

arxiv:2507.02248 v1 · 2025-07-03 · stat.ML · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4RHBS3FOWBG7YWALSB7KPDMGRC}

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	2026-07-05T11:31:14.442164Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e44e196caeb04dfc580b907ea78d8688b62d409818925fb96d4382c59ae23832

Aliases

arxiv: 2507.02248 · arxiv_version: 2507.02248v1 · doi: 10.48550/arxiv.2507.02248 · pith_short_12: 4RHBS3FOWBG7 · pith_short_16: 4RHBS3FOWBG7YWAL · pith_short_8: 4RHBS3FO

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/4RHBS3FOWBG7YWALSB7KPDMGRC \
  | 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: e44e196caeb04dfc580b907ea78d8688b62d409818925fb96d4382c59ae23832

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5cd8dc9822e207c60f07a6184b1f27089a736f845ff900ea67a738359a7f0378",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2025-07-03T02:43:40Z",
    "title_canon_sha256": "b543a0f531dad970431bcd34cf1de991937d2a9d54e27c9c41aa22fec77b01d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.02248",
    "kind": "arxiv",
    "version": 1
  }
}