Pith Number

pith:ELEDFROF

pith:2018:ELEDFROF4ZEH2WGJKCY27C3EXC

not attested not anchored not stored refs pending

Collaborative Filtering with Graph-based Implicit Feedback

Minzhe Niu, Ruiming Tang, Weinan Zhang, Xiuqiang He, Xuezhi Cao, Yanru Qu, Yong Yu

arxiv:1803.03502 v1 · 2018-03-09 · 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{ELEDFROF4ZEH2WGJKCY27C3EXC}

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	2026-05-18T00:21:39.354110Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22c832c5c5e6487d58c950b1af8b64b8bad9f56071df615a466cb60289357783

Aliases

arxiv: 1803.03502 · arxiv_version: 1803.03502v1 · doi: 10.48550/arxiv.1803.03502 · pith_short_12: ELEDFROF4ZEH · pith_short_16: ELEDFROF4ZEH2WGJ · pith_short_8: ELEDFROF

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/ELEDFROF4ZEH2WGJKCY27C3EXC \
  | 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: 22c832c5c5e6487d58c950b1af8b64b8bad9f56071df615a466cb60289357783

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2191a2832ad2ca04eec18ed56080e5c15709af7b3c6f21043b4d9574c0a133b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-03-09T13:25:54Z",
    "title_canon_sha256": "9caf71dae629ce8b3c2db28b815b067252331c31369d585b11f797845766b587"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.03502",
    "kind": "arxiv",
    "version": 1
  }
}