Pith Number

pith:2QSZ2JUO

pith:2026:2QSZ2JUOUGYOBB5HHAO5ALZFJ7

not attested not anchored not stored refs pending

Reusing Past Repairs Through Hierarchical Trajectory Abstraction for Coding Agents

Jiayuan Zhou, Ruiqi Pan, Tse-Hsun Chen, Yisen Xu

arxiv:2607.29658 v1 · 2026-07-31 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2QSZ2JUOUGYOBB5HHAO5ALZFJ7}

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	2026-08-03T01:41:40.714833Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4259d268ea1b0e087a7381dd02f254fce184f50b55b055c4304697cbf3604ea

Aliases

arxiv: 2607.29658 · arxiv_version: 2607.29658v1 · doi: 10.48550/arxiv.2607.29658 · pith_short_12: 2QSZ2JUOUGYO · pith_short_16: 2QSZ2JUOUGYOBB5H · pith_short_8: 2QSZ2JUO

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/2QSZ2JUOUGYOBB5HHAO5ALZFJ7 \
  | 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: d4259d268ea1b0e087a7381dd02f254fce184f50b55b055c4304697cbf3604ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18a8a6a17079bb452ac9c9081e6c1261a7b0a008161fafd6db6f237f65c1121a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2026-07-31T17:38:48Z",
    "title_canon_sha256": "d863ef7787722bb471bfa82f99a014b3a4fab57574235b73e510dcfc36a9f54d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.29658",
    "kind": "arxiv",
    "version": 1
  }
}