Pith Number

pith:4JMQOJ2W

pith:2022:4JMQOJ2WGM55464XL7VPV56JYR

not attested not anchored not stored refs pending

HCFRec: Hash Collaborative Filtering via Normalized Flow with Structural Consensus for Efficient Recommendation

Chaochao Chen, Fan Wang, Mengying Zhu, Weiming Liu, Xiaolin Zheng

arxiv:2205.12042 v1 · 2022-05-24 · cs.IR · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4JMQOJ2WGM55464XL7VPV56JYR}

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.

Cited by

1 paper in Pith

Federated Hash Projected Latent Factor Learning

Receipt and verification

First computed	2026-07-05T04:26:10.850466Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e259072756333bde7b975feafaf7c9c4428fe9caefeecb99a0dba74b4971fdac

Aliases

arxiv: 2205.12042 · arxiv_version: 2205.12042v1 · doi: 10.48550/arxiv.2205.12042 · pith_short_12: 4JMQOJ2WGM55 · pith_short_16: 4JMQOJ2WGM55464X · pith_short_8: 4JMQOJ2W

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/4JMQOJ2WGM55464XL7VPV56JYR \
  | 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: e259072756333bde7b975feafaf7c9c4428fe9caefeecb99a0dba74b4971fdac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac3b853d4962a442b79495778967bba29eb83441ba9afb0401cbf07e5fd441e0",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2022-05-24T12:51:52Z",
    "title_canon_sha256": "d40e26bb645db3ae5d5336205704b612f2e4e5301e97446a7cef6ba3e65d6f78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.12042",
    "kind": "arxiv",
    "version": 1
  }
}