Pith Number

pith:JEXKL4CB

pith:2026:JEXKL4CBATHAE3MKQGMZPTG5L2

not attested not anchored not stored refs pending

DRIFT: Refining Instruction Data via On-Policy Data Attribution

Lincheng Li, Tianyu Yu, Yuan Yao, Zefan Wang

arxiv:2606.18307 v1 · 2026-06-16 · cs.LG · 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{JEXKL4CBATHAE3MKQGMZPTG5L2}

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	2026-06-19T16:10:57.514511Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

492ea5f04104ce026d8a819997ccdd5e9b277d3a8003f3fc8c4343ab8a3bd482

Aliases

arxiv: 2606.18307 · arxiv_version: 2606.18307v1 · doi: 10.48550/arxiv.2606.18307 · pith_short_12: JEXKL4CBATHA · pith_short_16: JEXKL4CBATHAE3MK · pith_short_8: JEXKL4CB

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/JEXKL4CBATHAE3MKQGMZPTG5L2 \
  | 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: 492ea5f04104ce026d8a819997ccdd5e9b277d3a8003f3fc8c4343ab8a3bd482

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4c975b61043e6f110644f48b193b3c5ef88fe414b13a54ec62437619ae45571",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-16T07:21:49Z",
    "title_canon_sha256": "a49c653bb18a6e2f7444259973289940c2eacd4379c4ee7786770f903af2a2f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.18307",
    "kind": "arxiv",
    "version": 1
  }
}