Pith Number

pith:OQZGYUQD

pith:2026:OQZGYUQD3B3E45KR3WFQXXKF66

not attested not anchored not stored refs pending

A Novel Approach to Temporal QoS Estimation via Extended Kalman Filter-Incorporated Latent Feature Analysis

Hongxun Zhou, Ling Wang, Song Wang, Xin Luo, Ye Yuan

arxiv:2606.23010 v1 · 2026-06-22 · 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{OQZGYUQD3B3E45KR3WFQXXKF66}

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	2026-06-23T03:14:06.676908Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74326c5203d8764e7551dd8b0bdd45f78f3eb99678b13bdd8b081e6c3184d699

Aliases

arxiv: 2606.23010 · arxiv_version: 2606.23010v1 · doi: 10.48550/arxiv.2606.23010 · pith_short_12: OQZGYUQD3B3E · pith_short_16: OQZGYUQD3B3E45KR · pith_short_8: OQZGYUQD

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/OQZGYUQD3B3E45KR3WFQXXKF66 \
  | 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: 74326c5203d8764e7551dd8b0bdd45f78f3eb99678b13bdd8b081e6c3184d699

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01dfaf7139c31edaeace40a639ac963797ff74aceb04e049ca8217f8b6362419",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-22T08:22:18Z",
    "title_canon_sha256": "53bd789cbfd655ce12ad831bb116b8ec47e7cf694a91935184a72153fbede5bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.23010",
    "kind": "arxiv",
    "version": 1
  }
}