Pith Number

pith:L7YJ6BNZ

pith:2018:L7YJ6BNZBVBTRTIMZDR7W3YIGZ

not attested not anchored not stored refs pending

How Surveys, Tutors, and Software Help to Assess Scrum Adoption in a Classroom Software Engineering Project

Christoph Matthies, Hasso Plattner, Keven Richly, Matthias Uflacker, Thomas Kowark

arxiv:1809.00650 v1 · 2018-09-03 · 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{L7YJ6BNZBVBTRTIMZDR7W3YIGZ}

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	2026-05-18T00:06:32.881338Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ff09f05b90d4338cd0cc8e3fb6f0836509e127a5ab0e548cf420356f111bf3a

Aliases

arxiv: 1809.00650 · arxiv_version: 1809.00650v1 · doi: 10.48550/arxiv.1809.00650 · pith_short_12: L7YJ6BNZBVBT · pith_short_16: L7YJ6BNZBVBTRTIM · pith_short_8: L7YJ6BNZ

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/L7YJ6BNZBVBTRTIMZDR7W3YIGZ \
  | 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: 5ff09f05b90d4338cd0cc8e3fb6f0836509e127a5ab0e548cf420356f111bf3a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23f94f5525c25bb9128822422e669b5900677bb328a4aaa43d0cfb767f0b9d13",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2018-09-03T16:42:49Z",
    "title_canon_sha256": "0441b81a2d2fb39f8bc8555b4dac05522ce9cb10016b068f57424ea25002baa7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.00650",
    "kind": "arxiv",
    "version": 1
  }
}