Pith Number

pith:2WZTVINO

pith:2025:2WZTVINO4JVE7SQUUEPX634MVX

not attested not anchored not stored refs pending

UserTrace: User-Level Requirements Generation and Traceability Recovery from Software Project Repositories

Dongming Jin, Linyu Li, Weisong Sun, Xiaohong Chen, Yiran Zhang, Yuanpeng He, Zheng Fang, Zhi Jin

arxiv:2509.11238 v1 · 2025-09-14 · 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{2WZTVINO4JVE7SQUUEPX634MVX}

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	2026-07-05T12:11:35.878593Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5b33aa1aee26a4fca14a11f7f6f8caddbd565f196025294d8871fbfc4eb5731

Aliases

arxiv: 2509.11238 · arxiv_version: 2509.11238v1 · doi: 10.48550/arxiv.2509.11238 · pith_short_12: 2WZTVINO4JVE · pith_short_16: 2WZTVINO4JVE7SQU · pith_short_8: 2WZTVINO

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/2WZTVINO4JVE7SQUUEPX634MVX \
  | 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: d5b33aa1aee26a4fca14a11f7f6f8caddbd565f196025294d8871fbfc4eb5731

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c56617ad995d1bc5b76a078a458ed8e9b3a864f9b8f9626110ce98ebc920f9a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2025-09-14T12:28:39Z",
    "title_canon_sha256": "d5595d4e437f249a933867be18a9b31990c1c9cf808c4b0540dbb91895ed89c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.11238",
    "kind": "arxiv",
    "version": 1
  }
}