Pith Number

pith:GDHHNTTH

pith:2026:GDHHNTTHXRGUWOL4CSKEUIU2PD

not attested not anchored not stored refs pending

DiDPO: Diff-in-Diff Policy Optimization for Coding Agent Training

Di Wu, Liheng Yu, Pengkun Wang, Xiaofeng Cao, Xucong Wang, Zhe Zhao

arxiv:2608.07147 v1 · 2026-08-07 · 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{GDHHNTTHXRGUWOL4CSKEUIU2PD}

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	2026-08-10T01:13:31.696383Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30ce76ce67bc4d4b397c14944a229a78dd89e33f71a72f4c4b8c062ce83fc679

Aliases

arxiv: 2608.07147 · arxiv_version: 2608.07147v1 · doi: 10.48550/arxiv.2608.07147 · pith_short_12: GDHHNTTHXRGU · pith_short_16: GDHHNTTHXRGUWOL4 · pith_short_8: GDHHNTTH

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/GDHHNTTHXRGUWOL4CSKEUIU2PD \
  | 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: 30ce76ce67bc4d4b397c14944a229a78dd89e33f71a72f4c4b8c062ce83fc679

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c1e89ea2f4092cd715a4047a4376e7772152139d0e5da65715f89541ed24475",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-08-07T12:07:12Z",
    "title_canon_sha256": "f6b42280574d67e894dd4544483aaccbc9af332c91ddd5554f53ac31774e36a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.07147",
    "kind": "arxiv",
    "version": 1
  }
}