Pith Number

pith:3FWQKIGX

pith:2019:3FWQKIGXTYGSWLNBG5GPXMTPLI

not attested not anchored not stored refs pending

MAT: A simple yet strong baseline for identifying self-admitted technical debt

Baowen Xu, Hongmin Lu, Jinping Liu, Lin Chen, Shiran Liu, Yanhui Li, Yuming Zhou, Zhaoqiang Guo

arxiv:1910.13238 v1 · 2019-10-29 · 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{3FWQKIGXTYGSWLNBG5GPXMTPLI}

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	2026-07-05T00:15:42.661523Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d96d0520d79e0d2b2da1374cfbb26f5a3aa1bb914294a93eb78cb5e398386028

Aliases

arxiv: 1910.13238 · arxiv_version: 1910.13238v1 · doi: 10.48550/arxiv.1910.13238 · pith_short_12: 3FWQKIGXTYGS · pith_short_16: 3FWQKIGXTYGSWLNB · pith_short_8: 3FWQKIGX

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/3FWQKIGXTYGSWLNBG5GPXMTPLI \
  | 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: d96d0520d79e0d2b2da1374cfbb26f5a3aa1bb914294a93eb78cb5e398386028

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15bb12bf5d0699bae918f950ca746801ae203a5a9041bebdbdf90eb9a3d85f96",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2019-10-29T12:59:27Z",
    "title_canon_sha256": "20839a426e8168283c27b68cd00c893582293861543aa94ef2b25abf3e50f7d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.13238",
    "kind": "arxiv",
    "version": 1
  }
}