Pith Number

pith:DXTH7FB6

pith:2018:DXTH7FB6YR3YG4J34Z5AUX4ELO

not attested not anchored not stored refs pending

The Next Generation of Metadata-Oriented Testing of Research Software

Donald Cowan, Doug Mulholland, Paulo Alencar

arxiv:1812.10178 v1 · 2018-12-25 · 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{DXTH7FB6YR3YG4J34Z5AUX4ELO}

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	2026-05-17T23:57:24.868627Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1de67f943ec47783713be67a0a5f845b8092a70e5bedce6548aad2580d28f6d1

Aliases

arxiv: 1812.10178 · arxiv_version: 1812.10178v1 · doi: 10.48550/arxiv.1812.10178 · pith_short_12: DXTH7FB6YR3Y · pith_short_16: DXTH7FB6YR3YG4J3 · pith_short_8: DXTH7FB6

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/DXTH7FB6YR3YG4J34Z5AUX4ELO \
  | 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: 1de67f943ec47783713be67a0a5f845b8092a70e5bedce6548aad2580d28f6d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81f4cfc36c0928ab409fc99c30d9a358de1c2c999aa68bd2d4a5fddcdad6f242",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2018-12-25T23:48:50Z",
    "title_canon_sha256": "70dfd1dda14b00eb4284875dd457ce23172f7f50c3c8e2049785d138af02edb9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.10178",
    "kind": "arxiv",
    "version": 1
  }
}