Pith Number

pith:PBJXCGZ7

pith:2019:PBJXCGZ7CF3QDQA4VJ7BTK7NZ5

not attested not anchored not stored refs pending

Information Systems Development and Evolution: A replication study on work distribution in Norwegian Organizations

John Krogstie, Tor Kristian Veld

arxiv:1901.01811 v1 · 2019-01-01 · 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{PBJXCGZ7CF3QDQA4VJ7BTK7NZ5}

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	2026-05-17T23:56:51.201141Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7853711b3f117701c01caa7e19abedcf6fd8e2013a11dbf956cb761f3efe0938

Aliases

arxiv: 1901.01811 · arxiv_version: 1901.01811v1 · doi: 10.48550/arxiv.1901.01811 · pith_short_12: PBJXCGZ7CF3Q · pith_short_16: PBJXCGZ7CF3QDQA4 · pith_short_8: PBJXCGZ7

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/PBJXCGZ7CF3QDQA4VJ7BTK7NZ5 \
  | 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: 7853711b3f117701c01caa7e19abedcf6fd8e2013a11dbf956cb761f3efe0938

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87aab1e2faac388abf384c7231963c2b7febabcab2e3aa148e179a9b1b0a35ad",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2019-01-01T18:05:11Z",
    "title_canon_sha256": "e0ed869236cab5d99eccf5640d74c3a851c41899388ac584f5d942ae8f304b29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.01811",
    "kind": "arxiv",
    "version": 1
  }
}