Pith Number

pith:X67GR32G

pith:2018:X67GR32GH7XQFJO4FH4GWWFIY7

not attested not anchored not stored refs pending

Blueprint and Evaluation Instruments for a Course on Software Engineering for Sustainability

Birgit Penzenstadler, Christoph Becker, Colin C. Venters, Jari Porras, Leticia Duboc, Norbert Seyff, Ruzanna Chitchyan, Stefanie Betz

arxiv:1802.02517 v1 · 2018-02-07 · 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{X67GR32GH7XQFJO4FH4GWWFIY7}

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	2026-05-18T00:24:07.955733Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bfbe68ef463fef02a5dc29f86b58a8c7ff7d38d7e00d8a707ad925c4c821e5c8

Aliases

arxiv: 1802.02517 · arxiv_version: 1802.02517v1 · doi: 10.48550/arxiv.1802.02517 · pith_short_12: X67GR32GH7XQ · pith_short_16: X67GR32GH7XQFJO4 · pith_short_8: X67GR32G

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/X67GR32GH7XQFJO4FH4GWWFIY7 \
  | 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: bfbe68ef463fef02a5dc29f86b58a8c7ff7d38d7e00d8a707ad925c4c821e5c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88b250bf0982f2564a1b5518ae62fbb57d951fa519d2e4eb27394ea33e9e36b0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2018-02-07T16:51:26Z",
    "title_canon_sha256": "b4796e61a4548f7978f392f90488c53352ed0083a5180c5ddf8bb681bf0a097d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.02517",
    "kind": "arxiv",
    "version": 1
  }
}