Pith Number

pith:GQ2DJLO5

pith:2024:GQ2DJLO5K4WBDV6D52WPTDMZXU

not attested not anchored not stored refs pending

Tailed Low-Rank Matrix Factorization for Similarity Matrix Completion

Changyi Ma, Runsheng Yu, Xiao Chen, Youzhi Zhang

arxiv:2409.19550 v1 · 2024-09-29 · 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{GQ2DJLO5K4WBDV6D52WPTDMZXU}

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	2026-07-05T09:13:17.112527Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

343434addd572c11d7c3eeacf98d99bd0e41becfa22eb82b4faae3646adad275

Aliases

arxiv: 2409.19550 · arxiv_version: 2409.19550v1 · doi: 10.48550/arxiv.2409.19550 · pith_short_12: GQ2DJLO5K4WB · pith_short_16: GQ2DJLO5K4WBDV6D · pith_short_8: GQ2DJLO5

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/GQ2DJLO5K4WBDV6D52WPTDMZXU \
  | 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: 343434addd572c11d7c3eeacf98d99bd0e41becfa22eb82b4faae3646adad275

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7481cbdcdc264840e5e3ac64f27d0ce80807cfccea2b1915b58a98efca54e97",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2024-09-29T04:27:23Z",
    "title_canon_sha256": "6a54dab8877af1dae37af81d263850d2779b3ebbbfa2b682db9c9a6c6b395fea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2409.19550",
    "kind": "arxiv",
    "version": 1
  }
}