Pith Number

pith:NBHZF37T

pith:2026:NBHZF37TVRFCO62XZI3CKT3BHZ

not attested not anchored not stored refs pending

BT-APE: A Computationally Light Backtracking Approach to Automatic Prompt Engineering for Requirements Classification

Alessio Ferrari, Jacek D\k{a}browski, Liping Zhao, Mohammad Amin Zadenoori, Waad Alhoshan

arxiv:2607.00427 v1 · 2026-07-01 · 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{NBHZF37TVRFCO62XZI3CKT3BHZ}

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	2026-07-02T01:17:43.033501Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

684f92eff3ac4a277b57ca36254f613e7e6efcff996fe8d12341e305d40485ec

Aliases

arxiv: 2607.00427 · arxiv_version: 2607.00427v1 · doi: 10.48550/arxiv.2607.00427 · pith_short_12: NBHZF37TVRFC · pith_short_16: NBHZF37TVRFCO62X · pith_short_8: NBHZF37T

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/NBHZF37TVRFCO62XZI3CKT3BHZ \
  | 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: 684f92eff3ac4a277b57ca36254f613e7e6efcff996fe8d12341e305d40485ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87f02eac45a1061c2a518dfffbd15a78da75785208a088c3c56a350a76d7991c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2026-07-01T04:36:30Z",
    "title_canon_sha256": "999aa614d7980dbb80eb52365fce9060eb4c5f20386c040e73010c33ee2411d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.00427",
    "kind": "arxiv",
    "version": 1
  }
}