Pith Number

pith:NVAPJTJZ

pith:2026:NVAPJTJZ66BKQCEL3JXRYIUQJI

not attested not anchored not stored refs pending

DHRCL:Training Code LLMs with Dense Hierarchical Rewards and Curriculum Learning

Hui Cheng, Shuhang Wang, Ziming Li

arxiv:2607.26457 v1 · 2026-07-29 · 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{NVAPJTJZ66BKQCEL3JXRYIUQJI}

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	2026-07-30T01:20:33.491853Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

6d40f4cd39f782a8088bda6f1c22904a04d9973fa7144296798371b6b3206eae

Aliases

arxiv: 2607.26457 · arxiv_version: 2607.26457v1 · doi: 10.48550/arxiv.2607.26457 · pith_short_12: NVAPJTJZ66BK · pith_short_16: NVAPJTJZ66BKQCEL · pith_short_8: NVAPJTJZ

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/NVAPJTJZ66BKQCEL3JXRYIUQJI \
  | 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: 6d40f4cd39f782a8088bda6f1c22904a04d9973fa7144296798371b6b3206eae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08e7f4754355f5740521028278f4b019bce0b9564ae2e5178cfaf9bd83fe6d1d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-07-29T04:16:33Z",
    "title_canon_sha256": "39322927061a3b9e1d48ad97324ecb6760554239603f6eba176dbb6a3370d528"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.26457",
    "kind": "arxiv",
    "version": 1
  }
}