Pith Number

pith:TOLHYZPW

pith:2019:TOLHYZPWFTUWOPWBYHZWHI37BX

not attested not anchored not stored refs pending

A Formally Verified HOL Algebra for Dynamic Reliability Block Diagrams

Osman Hasan, Sofiene Tahar, Yassmeen Elderhalli

arxiv:1908.01930 v1 · 2019-08-06 · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TOLHYZPWFTUWOPWBYHZWHI37BX}

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	2026-07-04T23:51:49.485253Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b967c65f62ce9673ec1c1f363a37f0dc06cca5663d800ad9c4ef2c30554b08b

Aliases

arxiv: 1908.01930 · arxiv_version: 1908.01930v1 · doi: 10.48550/arxiv.1908.01930 · pith_short_12: TOLHYZPWFTUW · pith_short_16: TOLHYZPWFTUWOPWB · pith_short_8: TOLHYZPW

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/TOLHYZPWFTUWOPWBYHZWHI37BX \
  | 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: 9b967c65f62ce9673ec1c1f363a37f0dc06cca5663d800ad9c4ef2c30554b08b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34e74eef2628305e779e0494e7713b7790ffa5046b7d8f122465732544b0ead1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2019-08-06T02:13:34Z",
    "title_canon_sha256": "3a02739b68aef92e4eb488c229377531700e94228f517c4212626a7913e26982"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.01930",
    "kind": "arxiv",
    "version": 1
  }
}