Pith Number

pith:7QMNB6VY

pith:2013:7QMNB6VYYXEK66BM2D6GOQSPP6

not attested not anchored not stored refs pending

EFSMT: A Logical Framework for Cyber-Physical Systems

Chih-Hong Cheng, Harald Ruess, Natarajan Shankar, Saddek Bensalem

arxiv:1306.3456 v1 · 2013-06-14 · 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{7QMNB6VYYXEK66BM2D6GOQSPP6}

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	2026-05-18T03:20:57.651950Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc18d0fab8c5c8af782cd0fc67424f7f8ea6b4e92993fcd6f3af10d992b2ea89

Aliases

arxiv: 1306.3456 · arxiv_version: 1306.3456v1 · doi: 10.48550/arxiv.1306.3456 · pith_short_12: 7QMNB6VYYXEK · pith_short_16: 7QMNB6VYYXEK66BM · pith_short_8: 7QMNB6VY

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/7QMNB6VYYXEK66BM2D6GOQSPP6 \
  | 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: fc18d0fab8c5c8af782cd0fc67424f7f8ea6b4e92993fcd6f3af10d992b2ea89

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4785e4e114b062cdea4eafb07198e60bc4c950155c47ca3f5e9bc167bc1fc310",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2013-06-14T17:05:19Z",
    "title_canon_sha256": "ccfc7caea225ba6a95d94e6ae1e91fdf1f52a12cf7ae88fe73401b64dbf42a6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.3456",
    "kind": "arxiv",
    "version": 1
  }
}