Pith Number

pith:V7UAV6XZ

pith:2023:V7UAV6XZCUPIE3IEDAW5UOFGJ7

not attested not anchored not stored refs pending

Personalized Graph Signal Processing for Collaborative Filtering

Dongsheng Li, Hansu Gu, Jiahao Liu, Li Shang, Ning Gu, Peng Zhang, Tun Lu

arxiv:2302.02113 v1 · 2023-02-04 · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V7UAV6XZCUPIE3IEDAW5UOFGJ7}

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	2026-07-05T05:38:49.074334Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

afe80afaf9151e826d04182dda38a64ff7fa74b575345b73f26319649bc77c21

Aliases

arxiv: 2302.02113 · arxiv_version: 2302.02113v1 · doi: 10.48550/arxiv.2302.02113 · pith_short_12: V7UAV6XZCUPI · pith_short_16: V7UAV6XZCUPIE3IE · pith_short_8: V7UAV6XZ

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/V7UAV6XZCUPIE3IEDAW5UOFGJ7 \
  | 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: afe80afaf9151e826d04182dda38a64ff7fa74b575345b73f26319649bc77c21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4dfd7b39dbaa4f72acfee95c257ca0cbb93ec35f31a3736d4fdec8f471b71257",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2023-02-04T06:49:52Z",
    "title_canon_sha256": "8118be8900697a27edabc4e229a717e0b596ec87c855cd46313692386e74af31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.02113",
    "kind": "arxiv",
    "version": 1
  }
}