Pith Number

pith:EPU4QWTS

pith:2026:EPU4QWTSG4OPKT2KTHTQHDDDKM

not attested not anchored not stored refs pending

FailForge: Distilling Procedural Competence from Persistent Failures into Code Agents

Aichen Cai, Canhui Wu, Dongyi Lv, Fushun E, Jiaqi Wang, Liang Huang, Nan Duan, Qiuyu Ding, Ya Zhang, Yuesong Zhang, Zhi Wang

arxiv:2608.08570 v1 · 2026-08-09 · 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{EPU4QWTSG4OPKT2KTHTQHDDDKM}

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	2026-08-11T01:23:00.870374Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23e9c85a72371cf54f4a99e7038c63530e767d7734f98c5229a62bc5b6524835

Aliases

arxiv: 2608.08570 · arxiv_version: 2608.08570v1 · doi: 10.48550/arxiv.2608.08570 · pith_short_12: EPU4QWTSG4OP · pith_short_16: EPU4QWTSG4OPKT2K · pith_short_8: EPU4QWTS

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/EPU4QWTSG4OPKT2KTHTQHDDDKM \
  | 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: 23e9c85a72371cf54f4a99e7038c63530e767d7734f98c5229a62bc5b6524835

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "416cfe4bce8aa29ba6a1d16242c9abe45a599ba6c8d6796970da725872f14272",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-08-09T08:22:57Z",
    "title_canon_sha256": "e58c2d969bd168e6d1c82b7701724befc1654504035594decaced631cffaddd0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.08570",
    "kind": "arxiv",
    "version": 1
  }
}