Pith Number

pith:ONVR2R25

pith:2019:ONVR2R25LE2NMPO3KKRLG6A4JT

not attested not anchored not stored refs pending

A Novel User Representation Paradigm for Making Personalized Candidate Retrieval

Defu Lian, Jianxun Lian, Xing Xie, Yu Xing, Zheng Liu, Ziyao Li

arxiv:1907.06323 v2 · 2019-07-15 · cs.IR · 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{ONVR2R25LE2NMPO3KKRLG6A4JT}

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	2026-07-05T00:13:15.535929Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

736b1d475d5934d63ddb52a2b3781c4ced6274514756fd0829c62708649791ce

Aliases

arxiv: 1907.06323 · arxiv_version: 1907.06323v2 · doi: 10.48550/arxiv.1907.06323 · pith_short_12: ONVR2R25LE2N · pith_short_16: ONVR2R25LE2NMPO3 · pith_short_8: ONVR2R25

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/ONVR2R25LE2NMPO3KKRLG6A4JT \
  | 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: 736b1d475d5934d63ddb52a2b3781c4ced6274514756fd0829c62708649791ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9ae9aa1980230ccc8e16585f14b1749858453dd3e4e6f83541cde3ac89db4f8",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2019-07-15T03:29:45Z",
    "title_canon_sha256": "98f7e6e2a5d165413e5c07107add255b6ff12bbe9342c5152c5442f3716f7028"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.06323",
    "kind": "arxiv",
    "version": 2
  }
}