Pith Number

pith:CA4FRJ27

pith:2024:CA4FRJ27NBZ5ETBIF6QOG2TC5S

not attested not anchored not stored refs pending

An Architecture for Software Engineering Gamification

Alejandro Corti\~nas, Ana Cerdeira-Pena, F\'elix Garc\'ia, Mario Piattini, \'Oscar Pedreira

arxiv:2402.00233 v1 · 2024-01-31 · 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{CA4FRJ27NBZ5ETBIF6QOG2TC5S}

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	2026-07-05T07:40:08.903477Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

103858a75f6873d24c282fa0e36a62ecbe35a7a153927d4b1aad2267781cae29

Aliases

arxiv: 2402.00233 · arxiv_version: 2402.00233v1 · doi: 10.48550/arxiv.2402.00233 · pith_short_12: CA4FRJ27NBZ5 · pith_short_16: CA4FRJ27NBZ5ETBI · pith_short_8: CA4FRJ27

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/CA4FRJ27NBZ5ETBIF6QOG2TC5S \
  | 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: 103858a75f6873d24c282fa0e36a62ecbe35a7a153927d4b1aad2267781cae29

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2349d9890d9c07e79a404f16b4b2b98acfc20553eb9e5fd7810db9260e7201e5",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2024-01-31T23:23:52Z",
    "title_canon_sha256": "eda9b09db89d130fa0ff01a1a89330613b2e9fe25080edcc21954fd889228c13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2402.00233",
    "kind": "arxiv",
    "version": 1
  }
}