Pith Number

pith:RL3ALU7M

pith:2026:RL3ALU7MAV554CVTYU5XAB575F

not attested not anchored not stored refs pending

Defeater Cards: Characterizing and Managing Safety Assurance Case Defeaters

Jordan J. Rios, Michael C. Hunter, Myra B. Cohen, Robyn R. Lutz, Salil Purandare, Usman Gohar

arxiv:2606.11462 v1 · 2026-06-09 · 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{RL3ALU7MAV554CVTYU5XAB575F}

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	2026-06-11T01:09:49.882662Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8af605d3ec057bde0ab3c53b7007bfe9425dba2d7d28763aa397bbefd099ea76

Aliases

arxiv: 2606.11462 · arxiv_version: 2606.11462v1 · doi: 10.48550/arxiv.2606.11462 · pith_short_12: RL3ALU7MAV55 · pith_short_16: RL3ALU7MAV554CVT · pith_short_8: RL3ALU7M

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/RL3ALU7MAV554CVTYU5XAB575F \
  | 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: 8af605d3ec057bde0ab3c53b7007bfe9425dba2d7d28763aa397bbefd099ea76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7123b1ecc0fc069c19eae827dab1668ef5a6fed58a312ded70b249c1937338cb",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2026-06-09T21:33:07Z",
    "title_canon_sha256": "b17bfee53d1cef228ba41caf233068b421be1054df9df62fa96ea18455f4ed23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.11462",
    "kind": "arxiv",
    "version": 1
  }
}