Pith Number

pith:PPDGLPZQ

pith:2023:PPDGLPZQIKEOJ3HJ5WAXGVEXBO

not attested not anchored not stored refs pending

Optimizing Airbnb Search Journey with Multi-task Learning

Austin Chan, Chun How Tan, Huiji Gao, Jie Tang, Liwei He, Malay Haldar, Mustafa Abdool, Sanjeev Katariya, Xin Liu

arxiv:2305.18431 v1 · 2023-05-28 · cs.IR · cs.AI · 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{PPDGLPZQIKEOJ3HJ5WAXGVEXBO}

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	2026-07-05T06:15:00.870950Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bc665bf304288e4ece9ed817354970b8a425aa84b53c5b870671bfd6a044173

Aliases

arxiv: 2305.18431 · arxiv_version: 2305.18431v1 · doi: 10.48550/arxiv.2305.18431 · pith_short_12: PPDGLPZQIKEO · pith_short_16: PPDGLPZQIKEOJ3HJ · pith_short_8: PPDGLPZQ

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/PPDGLPZQIKEOJ3HJ5WAXGVEXBO \
  | 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: 7bc665bf304288e4ece9ed817354970b8a425aa84b53c5b870671bfd6a044173

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c27ddc5972fdc240677a38c80f29943325970fb989f07add9a27ce01e4292a5",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2023-05-28T23:25:51Z",
    "title_canon_sha256": "d7188c15f460bef52efd2e6f156fc3ba6e6ae6e1ca93f6075678c94000caa734"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.18431",
    "kind": "arxiv",
    "version": 1
  }
}