Pith Number

pith:ZYXJPSHR

pith:2026:ZYXJPSHRJJ636PQAXHPWIATGFU

not attested not anchored not stored refs pending

Memento: Personalized RAG-Style Long-Retention Data Scaling for META Ads Recommendation

Arnold Overwijk, Dinesh Ramasamy, Dorothy Sun, Jieming Di, Junwei Xiong, Lilly Kumari, Ling Leng, Nafis Abrar, Pan Chen, Qiao Yang, Ramsundar Sundarkumar, Robert Malkin, Ruichen Wang, Sandeep Pandey, Shivendra Pratap Singh, Sowmya Patapati, Sri Reddy, Suofei Feng, Tony Tsui, Victor Chen, Xiaoyu Chen, Yang Cao, Yilin Liu, Yu Lu

arxiv:2605.24051 v1 · 2026-05-22 · 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{ZYXJPSHRJJ636PQAXHPWIATGFU}

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	2026-05-26T01:02:43.080485Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce2e97c8f14a7dbf3e00b9df6402662d0790c46d2e48e1c179024b90ed3d93f2

Aliases

arxiv: 2605.24051 · arxiv_version: 2605.24051v1 · doi: 10.48550/arxiv.2605.24051 · pith_short_12: ZYXJPSHRJJ63 · pith_short_16: ZYXJPSHRJJ636PQA · pith_short_8: ZYXJPSHR

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/ZYXJPSHRJJ636PQAXHPWIATGFU \
  | 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: ce2e97c8f14a7dbf3e00b9df6402662d0790c46d2e48e1c179024b90ed3d93f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74226aad9b2e6e1442cea73c64827e89eb5ea3077add1bf71393ab3eb95f6c15",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2026-05-22T00:12:38Z",
    "title_canon_sha256": "3f39ca668b22dcd9738581ee4bf74e100887509e11c4d90b7e76f24691c6cdbf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.24051",
    "kind": "arxiv",
    "version": 1
  }
}