Pith Number

pith:XAU44Q2K

pith:2026:XAU44Q2KN4JBW64YCB7E5HM3HI

not attested not anchored not stored refs pending

RecHarness: A Bandit-Routed Agentic Harness for Self-Evolving Recommender Systems

Chi Lu, Haoran Ling, Jing Yao, Peng Jiang, Shuwen Kang, Wenjin Wu, Yuecheng Li, Zeyu Song

arxiv:2607.29241 v1 · 2026-07-31 · cs.IR · cs.AI · cs.CL

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XAU44Q2KN4JBW64YCB7E5HM3HI}

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	2026-08-03T01:22:25.987489Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b829ce434a6f121b7b98107e4e9d9b3a354394f8a228db6758507227fe098651

Aliases

arxiv: 2607.29241 · arxiv_version: 2607.29241v1 · doi: 10.48550/arxiv.2607.29241 · pith_short_12: XAU44Q2KN4JB · pith_short_16: XAU44Q2KN4JBW64Y · pith_short_8: XAU44Q2K

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/XAU44Q2KN4JBW64YCB7E5HM3HI \
  | 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: b829ce434a6f121b7b98107e4e9d9b3a354394f8a228db6758507227fe098651

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b04cee8c3fc2653c531d6fff19b58680f4d81e2cc29e79ccbede571c4ace6aa1",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2026-07-31T10:15:38Z",
    "title_canon_sha256": "e53a4790c4c8ebdc43ec42c2533601cf7d06a088af545d9b583e712ba10158df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.29241",
    "kind": "arxiv",
    "version": 1
  }
}