Pith Number

pith:KPQON7QZ

pith:2014:KPQON7QZWU4TIQYZIRZTUW5B5T

not attested not anchored not stored refs pending

The Empirical Commit Frequency Distribution of Open Source Projects

Carsten Kolassa, Dirk Riehle, Michel A. Salim

arxiv:1408.4978 v1 · 2014-08-21 · 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{KPQON7QZWU4TIQYZIRZTUW5B5T}

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	2026-05-18T02:44:40.990731Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53e0e6fe19b53934431944733a5ba1ecf1da50f3652f3dc6eda9c6f2be46b896

Aliases

arxiv: 1408.4978 · arxiv_version: 1408.4978v1 · doi: 10.48550/arxiv.1408.4978 · pith_short_12: KPQON7QZWU4T · pith_short_16: KPQON7QZWU4TIQYZ · pith_short_8: KPQON7QZ

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/KPQON7QZWU4TIQYZIRZTUW5B5T \
  | 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: 53e0e6fe19b53934431944733a5ba1ecf1da50f3652f3dc6eda9c6f2be46b896

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dda9977406e62bc618c25885b5fc9aa137ffe9deb624f833829cbe7649dbcf38",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2014-08-21T12:45:55Z",
    "title_canon_sha256": "35b154664b6ed34de4f4b36cb16a7912be8a13c3ba8fe753dd9a55931697fef7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.4978",
    "kind": "arxiv",
    "version": 1
  }
}