Pith Number

pith:RLDJIHXO

pith:2022:RLDJIHXOVNV54Z4CALSLSW4223

not attested not anchored not stored refs pending

Optimising the reliability that can be claimed for a software-based system based on failure-free tests of its components

Andrey Povyakalo, Peter Bishop

arxiv:2201.12829 v1 · 2022-01-30 · 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{RLDJIHXOVNV54Z4CALSLSW4223}

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	2026-07-05T03:52:40.248085Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ac6941eeeab6bde678202e4b95b9ad6cf5b84017f940c0a19f4c1148d60853e

Aliases

arxiv: 2201.12829 · arxiv_version: 2201.12829v1 · doi: 10.48550/arxiv.2201.12829 · pith_short_12: RLDJIHXOVNV5 · pith_short_16: RLDJIHXOVNV54Z4C · pith_short_8: RLDJIHXO

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/RLDJIHXOVNV54Z4CALSLSW4223 \
  | 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: 8ac6941eeeab6bde678202e4b95b9ad6cf5b84017f940c0a19f4c1148d60853e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07105250678ba66a0b3bbf410aaacb13d23bb2d3c8e9a31ff4b836a63d7c8f6c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2022-01-30T14:26:42Z",
    "title_canon_sha256": "a743ac40eeeb46623a3400060685ffa1ad00543867ee2cec9051acd81728a63d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.12829",
    "kind": "arxiv",
    "version": 1
  }
}