Pith Number

pith:W6S77JZX

pith:2025:W6S77JZXKH6OEVQMVO34V4V3XK

not attested not anchored not stored refs pending

Of Good Demons and Bad Angels: Guaranteeing Safe Control under Finite Precision

Bernhard Beckert, Debasmita Lohar, Samuel Teuber

arxiv:2507.22760 v1 · 2025-07-30 · eess.SY · cs.AI · cs.LG · cs.LO · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W6S77JZXKH6OEVQMVO34V4V3XK}

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	2026-07-05T11:45:48.462100Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7a5ffa73751fce2560cabb7caf2bbbaa9dfa43ae15c30b16ac808057ea8f1ad

Aliases

arxiv: 2507.22760 · arxiv_version: 2507.22760v1 · doi: 10.48550/arxiv.2507.22760 · pith_short_12: W6S77JZXKH6O · pith_short_16: W6S77JZXKH6OEVQM · pith_short_8: W6S77JZX

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/W6S77JZXKH6OEVQMVO34V4V3XK \
  | 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: b7a5ffa73751fce2560cabb7caf2bbbaa9dfa43ae15c30b16ac808057ea8f1ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14d7e281afda537f13c2fcad88bf0f66410b6b6bcf4e92657a78128af449e697",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG",
      "cs.LO",
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2025-07-30T15:21:22Z",
    "title_canon_sha256": "d6046e4fd9151351944ec2276fb5103f560bce876816a37a3e4738c36bbe24cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.22760",
    "kind": "arxiv",
    "version": 1
  }
}