Pith Number

pith:6OZK6RJH

pith:2019:6OZK6RJH2L7IWRIEOTP3FADJUE

not attested not anchored not stored refs pending

An Assurance Framework for Independent Co-assurance of Safety and Security

Nikita Johnson, Tim Kelly

arxiv:1903.01220 v1 · 2019-01-24 · 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{6OZK6RJH2L7IWRIEOTP3FADJUE}

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	2026-05-17T23:52:09.817988Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3b2af4527d2fe8b450474dfb28069a11a07fe98f496759a2789d22a91ac9a9f

Aliases

arxiv: 1903.01220 · arxiv_version: 1903.01220v1 · doi: 10.48550/arxiv.1903.01220 · pith_short_12: 6OZK6RJH2L7I · pith_short_16: 6OZK6RJH2L7IWRIE · pith_short_8: 6OZK6RJH

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/6OZK6RJH2L7IWRIEOTP3FADJUE \
  | 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: f3b2af4527d2fe8b450474dfb28069a11a07fe98f496759a2789d22a91ac9a9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "141c39d97c17f57a26320ac63b1a6f3006162745fe13c278349d1061329256cb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2019-01-24T11:39:05Z",
    "title_canon_sha256": "7c773ee8c4d5b1142a2f9ef858f978ca3e7ebb2bb55a4aa4bffd3b3df25b91ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.01220",
    "kind": "arxiv",
    "version": 1
  }
}