Pith Number

pith:MQYVRH63

pith:2020:MQYVRH63Y7U6C4DROAFZZS2BET

not attested not anchored not stored refs pending

On the Use of Grey Literature: A Survey with the Brazilian Software Engineering Research Community

Fernando Kamei, Gustavo Pinto, Igor Wiese, M\'arcio Ribeiro, S\'ergio Soares

arxiv:2009.05926 v1 · 2020-09-13 · 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{MQYVRH63Y7U6C4DROAFZZS2BET}

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	2026-07-05T01:35:02.543659Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6431589fdbc7e9e17071700b9ccb4124d76e820fea800c46471d9dafde9cf6fc

Aliases

arxiv: 2009.05926 · arxiv_version: 2009.05926v1 · doi: 10.48550/arxiv.2009.05926 · pith_short_12: MQYVRH63Y7U6 · pith_short_16: MQYVRH63Y7U6C4DR · pith_short_8: MQYVRH63

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/MQYVRH63Y7U6C4DROAFZZS2BET \
  | 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: 6431589fdbc7e9e17071700b9ccb4124d76e820fea800c46471d9dafde9cf6fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "567ab86a9960dbde9ce33c92911aff319ca8f4cf4ec6fea0658c981e22b4f67d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2020-09-13T05:17:29Z",
    "title_canon_sha256": "99fce41961690a179e3c37e80abd8e3e88c6225ca30c55ca1c161ced9156dcb2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.05926",
    "kind": "arxiv",
    "version": 1
  }
}