Pith Number

pith:VCISK5GC

pith:2020:VCISK5GCM7KDVCBABNNFV6HBJS

not attested not anchored not stored refs pending

XDM: Improving Sequential Deep Matching with Unclicked User Behaviors for Recommender System

Changlong Yu, Fei Sun, Fuyu Lv, Mengxue Li, Taiwei Jin, Tonglei Guo, Wilfred Ng

arxiv:2010.12837 v4 · 2020-10-24 · 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{VCISK5GCM7KDVCBABNNFV6HBJS}

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	2026-07-05T04:10:11.658887Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8912574c267d43a88200b5a5af8e14ca2b436614b25734faf152a4d5d8a7e87

Aliases

arxiv: 2010.12837 · arxiv_version: 2010.12837v4 · doi: 10.48550/arxiv.2010.12837 · pith_short_12: VCISK5GCM7KD · pith_short_16: VCISK5GCM7KDVCBA · pith_short_8: VCISK5GC

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/VCISK5GCM7KDVCBABNNFV6HBJS \
  | 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: a8912574c267d43a88200b5a5af8e14ca2b436614b25734faf152a4d5d8a7e87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d42a7066fe865047aa452b4c963fcecba6b1d8c6abdbdf9235caf1fa59fb93b0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2020-10-24T08:37:04Z",
    "title_canon_sha256": "01b2987bf584926622e1b9702ef5baa16f25d94f16a7bf001541ae36ec9cf576"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.12837",
    "kind": "arxiv",
    "version": 4
  }
}