Pith Number

pith:DUBO3QCV

pith:2020:DUBO3QCVJ2YH7CM3HDZV2PWAAJ

not attested not anchored not stored refs pending

Learning from the past: A process recommendation system for video game projects using postmortems experiences

Cristiano Politowski, Fabio Petrillo, Lisandra M. Fontoura, Yann-Ga\"el Gu\'eh\'eneuc

arxiv:2009.02445 v1 · 2020-09-05 · 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{DUBO3QCVJ2YH7CM3HDZV2PWAAJ}

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	2026-07-05T01:33:08.663104Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d02edc0554eb07f899b38f35d3ec002763b2537596507c318a88ed09d452128

Aliases

arxiv: 2009.02445 · arxiv_version: 2009.02445v1 · doi: 10.48550/arxiv.2009.02445 · pith_short_12: DUBO3QCVJ2YH · pith_short_16: DUBO3QCVJ2YH7CM3 · pith_short_8: DUBO3QCV

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/DUBO3QCVJ2YH7CM3HDZV2PWAAJ \
  | 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: 1d02edc0554eb07f899b38f35d3ec002763b2537596507c318a88ed09d452128

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6d8458c3557310533feeeefafa9f0d78e031342c89c1ea8b00240692b942e96",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2020-09-05T02:55:37Z",
    "title_canon_sha256": "d8f98da8f6c8cb214125136fe5a23eaefdaf5f91161ed2a1586102bcf8774d6d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.02445",
    "kind": "arxiv",
    "version": 1
  }
}