Pith Number

pith:IIRXL3CK

pith:2024:IIRXL3CKJOLHTAEOG5BOW7BRUS

not attested not anchored not stored refs pending

CUPID: A Real-Time Session-Based Reciprocal Recommendation System for a One-on-One Social Discovery Platform

Beomsu Kim, Buru Chang, Gihun Lee, Gihun Yeom, Joonyoung Yi, Minchan Kim, Sangbum Kim, Suhyun Lee, Sungjoo Ha, Youngsoo Lee

arxiv:2410.18087 v1 · 2024-10-08 · 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{IIRXL3CKJOLHTAEOG5BOW7BRUS}

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	2026-07-05T09:25:03.162128Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

422375ec4a4b9679808e3742eb7c31a4acb1a62e7f7a242557caf9e8e1a784e2

Aliases

arxiv: 2410.18087 · arxiv_version: 2410.18087v1 · doi: 10.48550/arxiv.2410.18087 · pith_short_12: IIRXL3CKJOLH · pith_short_16: IIRXL3CKJOLHTAEO · pith_short_8: IIRXL3CK

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/IIRXL3CKJOLHTAEOG5BOW7BRUS \
  | 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: 422375ec4a4b9679808e3742eb7c31a4acb1a62e7f7a242557caf9e8e1a784e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c5210e41f3d42f24468919ddb5488d58cc326c63e6371702b2b36995c541e24",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2024-10-08T05:44:14Z",
    "title_canon_sha256": "b3985ac5287655a6ac137f355b3406779207ec818044c2294ecb2d237c0a9a46"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2410.18087",
    "kind": "arxiv",
    "version": 1
  }
}