Pith Number

pith:X6F54DZC

pith:2021:X6F54DZC3W72GPZQDLLRK3F5NV

not attested not anchored not stored refs pending

QFL: Data-Driven Feedback Loop to Manage Quality in Agile Development

Alessandra Bagnato, Antonin Ahberv\'e, Lidia L\'opez, Xavier Franch

arxiv:2102.05920 v1 · 2021-02-11 · 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{X6F54DZC3W72GPZQDLLRK3F5NV}

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	2026-07-05T02:14:35.742481Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf8bde0f22ddbfa33f301ad7156cbd6d659565a5d96b413ad848f3752783f3df

Aliases

arxiv: 2102.05920 · arxiv_version: 2102.05920v1 · doi: 10.48550/arxiv.2102.05920 · pith_short_12: X6F54DZC3W72 · pith_short_16: X6F54DZC3W72GPZQ · pith_short_8: X6F54DZC

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/X6F54DZC3W72GPZQDLLRK3F5NV \
  | 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: bf8bde0f22ddbfa33f301ad7156cbd6d659565a5d96b413ad848f3752783f3df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14409be624024c57d643738a248e3cceebb0899b902739575356784b12afb7aa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2021-02-11T10:09:07Z",
    "title_canon_sha256": "332a8ddd01e0ed940d1ad27be7a2f33f5644257229b66efa9efb46862f7a5176"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.05920",
    "kind": "arxiv",
    "version": 1
  }
}