Pith Number

pith:FOZO2CL3

pith:2025:FOZO2CL3ZEGWOH56RTHG6EMVQ3

not attested not anchored not stored refs pending

Water Quality Data Imputation via A Fast Latent Factorization of Tensors with PID-based Optimizer

Bing Yang, Hao Wu, Lan Wang, Qian Liu

arxiv:2503.06997 v1 · 2025-03-10 · 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{FOZO2CL3ZEGWOH56RTHG6EMVQ3}

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	2026-07-05T10:27:47.445536Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2bb2ed097bc90d671fbe8cce6f119586cf8d76acc51f8bf051a2096b3de72238

Aliases

arxiv: 2503.06997 · arxiv_version: 2503.06997v1 · doi: 10.48550/arxiv.2503.06997 · pith_short_12: FOZO2CL3ZEGW · pith_short_16: FOZO2CL3ZEGWOH56 · pith_short_8: FOZO2CL3

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/FOZO2CL3ZEGWOH56RTHG6EMVQ3 \
  | 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: 2bb2ed097bc90d671fbe8cce6f119586cf8d76acc51f8bf051a2096b3de72238

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "688e9db1148e7ae4f1339fe90ea07a0bc9aef1767bfc8161e1bfe23c6d2abed7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-03-10T07:22:54Z",
    "title_canon_sha256": "e46f4ae49a01424a8fc7d82b10a15cccc799cc6d87122bad1bb09ac3b82888af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.06997",
    "kind": "arxiv",
    "version": 1
  }
}