Pith Number

pith:77OWTCAX

pith:2026:77OWTCAXGHCEY52KBPRZ2X6PZ4

not attested not anchored not stored refs pending

Deep-learning Causal Retrieval Optimization for Efficient e-commerce Distribution in Pinterest

Darren Reger, Derek Cheng, Huizhong Duan, Junpeng Hou, Mehdi Ben Ayed, Olafur Gudmundsson, Sai Xiao, XianXing Zhang, Zhiqing Rao

arxiv:2607.14161 v1 · 2026-07-14 · 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{77OWTCAXGHCEY52KBPRZ2X6PZ4}

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	2026-07-17T00:20:54.677521Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ffdd69881731c44c774a0be39d5fcfcf3296aa7cd9705cd2b0f7007f1f45052c

Aliases

arxiv: 2607.14161 · arxiv_version: 2607.14161v1 · doi: 10.48550/arxiv.2607.14161 · pith_short_12: 77OWTCAXGHCE · pith_short_16: 77OWTCAXGHCEY52K · pith_short_8: 77OWTCAX

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/77OWTCAXGHCEY52KBPRZ2X6PZ4 \
  | 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: ffdd69881731c44c774a0be39d5fcfcf3296aa7cd9705cd2b0f7007f1f45052c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd31cb49658ae278010f3cf2e5cb3fa4c1d19b106b3b9c6533a516522e84f3a6",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2026-07-14T23:02:27Z",
    "title_canon_sha256": "898b8231d4972e480922488fc8ffae833bbef8c0709aacdd6bfa29ddb8c945b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.14161",
    "kind": "arxiv",
    "version": 1
  }
}