Pith Number

pith:7XCZBGFJ

pith:2019:7XCZBGFJN2WHZCUHOI7DLCU2JE

not attested not anchored not stored refs pending

Ekar: An Explainable Method for Knowledge Aware Recommendation

Hao Zhu, Jian Tang, Ming Zhang, Weiping Song, Zhijian Duan, Ziqing Yang

arxiv:1906.09506 v3 · 2019-06-22 · 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{7XCZBGFJN2WHZCUHOI7DLCU2JE}

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	2026-07-05T03:46:31.345949Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdc59098a96eac7c8a87723e358a9a490e324b97edff869c7d0547a71f17e2ef

Aliases

arxiv: 1906.09506 · arxiv_version: 1906.09506v3 · doi: 10.48550/arxiv.1906.09506 · pith_short_12: 7XCZBGFJN2WH · pith_short_16: 7XCZBGFJN2WHZCUH · pith_short_8: 7XCZBGFJ

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/7XCZBGFJN2WHZCUHOI7DLCU2JE \
  | 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: fdc59098a96eac7c8a87723e358a9a490e324b97edff869c7d0547a71f17e2ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7dbf53bb493826f862cb3ddf8f704773d7e09676c8336ea505ffc6a717cdfe99",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2019-06-22T21:02:57Z",
    "title_canon_sha256": "032c3d1052f040a49f94e9699f3c5632d3ce3deb95ee202abf3b406d2f32581b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.09506",
    "kind": "arxiv",
    "version": 3
  }
}