Pith Number

pith:DMHEHW5B

pith:2015:DMHEHW5B4LZEXH6C7E2LX2IRY4

not attested not anchored not stored refs pending

Forward Invariant Cuts to Simplify Proofs of Safety

Andre Platzer, Bruce Krogh, James Kapinski, Jyotirmoy Deshmukh, Nikos Arechiga

arxiv:1507.05133 v2 · 2015-07-17 · 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{DMHEHW5B4LZEXH6C7E2LX2IRY4}

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	2026-07-05T03:11:50.662275Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b0e43dba1e2f24b9fc2f934bbe911c73e059759ca14bfc623f63267d67231ef

Aliases

arxiv: 1507.05133 · arxiv_version: 1507.05133v2 · doi: 10.48550/arxiv.1507.05133 · pith_short_12: DMHEHW5B4LZE · pith_short_16: DMHEHW5B4LZEXH6C · pith_short_8: DMHEHW5B

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/DMHEHW5B4LZEXH6C7E2LX2IRY4 \
  | 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: 1b0e43dba1e2f24b9fc2f934bbe911c73e059759ca14bfc623f63267d67231ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51c5af82a6acd1d80a2bb1687fe65ed56546655d6df2108a87cdb153b1e61678",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2015-07-17T23:49:22Z",
    "title_canon_sha256": "e336c58f13112b4fec4c0fc4511de33e1a1295b80bc92c81b18536bacbcbc19c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.05133",
    "kind": "arxiv",
    "version": 2
  }
}