Pith Number

pith:L2DXTM73

pith:2026:L2DXTM73H7YFHY7HK7GWHMS6Q4

not attested not anchored not stored refs pending

Towards a compositional semantics for quantitative confidence assessment in assurance arguments

Benjamin Herd, Jan Sabsch, Jessica Kelly, Lydia Gauerhof

arxiv:2605.22213 v1 · 2026-05-21 · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L2DXTM73H7YFHY7HK7GWHMS6Q4}

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	2026-05-22T01:04:32.462517Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e8779b3fb3ff053e3e757cd63b25e873d70f32f9bc50563128abe2e27a6315f

Aliases

arxiv: 2605.22213 · arxiv_version: 2605.22213v1 · doi: 10.48550/arxiv.2605.22213 · pith_short_12: L2DXTM73H7YF · pith_short_16: L2DXTM73H7YFHY7H · pith_short_8: L2DXTM73

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/L2DXTM73H7YFHY7HK7GWHMS6Q4 \
  | 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: 5e8779b3fb3ff053e3e757cd63b25e873d70f32f9bc50563128abe2e27a6315f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4b6b5a71230c3ef29fb0233d33ece4c912c267a57d47f20ec4decf56a7efcff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-05-21T09:17:27Z",
    "title_canon_sha256": "a0f3ffe2c41ea6f5f752ce4cd55a93f3cb43f3f028fd9ad0a5d3e88e62c01bf6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.22213",
    "kind": "arxiv",
    "version": 1
  }
}