Pith Number

pith:UFD6V3UC

pith:2024:UFD6V3UCHLQXDVCD4FCVBRVVX5

not attested not anchored not stored refs pending

Confidence in Assurance 2.0 Cases

John Rushby, Robin Bloomfield

arxiv:2409.10665 v2 · 2024-09-16 · 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{UFD6V3UCHLQXDVCD4FCVBRVVX5}

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.

Cited by

1 paper in Pith

Where AI Assurance Might Go Wrong: Initial lessons from engineering of critical systems

Receipt and verification

First computed	2026-07-05T11:50:28.041376Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a147eaee823ae171d443e14550c6b5bf4795f4489db0ca3091c7245cbc80f60a

Aliases

arxiv: 2409.10665 · arxiv_version: 2409.10665v2 · doi: 10.48550/arxiv.2409.10665 · pith_short_12: UFD6V3UCHLQX · pith_short_16: UFD6V3UCHLQXDVCD · pith_short_8: UFD6V3UC

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/UFD6V3UCHLQXDVCD4FCVBRVVX5 \
  | 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: a147eaee823ae171d443e14550c6b5bf4795f4489db0ca3091c7245cbc80f60a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "171af7ba3614f5c6188ec6502537a2261f30ca9c7fa1b7568cbe8c567c27bda0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2024-09-16T19:00:21Z",
    "title_canon_sha256": "78363fba3705a1f454104df6a27329033ca9463903af9ffc1096f308723f93fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2409.10665",
    "kind": "arxiv",
    "version": 2
  }
}