Pith Number

pith:7IGEE2NX

pith:2019:7IGEE2NXY7E3RV2OH32P5YZELC

not attested not anchored not stored refs pending

Structural Invariants for Parametric Verification of Systems with Almost Linear Architectures

Joseph Sifakis, Marius Bozga, Radu Iosif

arxiv:1902.02696 v1 · 2019-02-07 · cs.FL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7IGEE2NXY7E3RV2OH32P5YZELC}

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	2026-05-17T23:54:32.440449Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa0c4269b7c7c9b8d74e3ef4fee3245899eaaca87fafac921e293adee3c4e25d

Aliases

arxiv: 1902.02696 · arxiv_version: 1902.02696v1 · doi: 10.48550/arxiv.1902.02696 · pith_short_12: 7IGEE2NXY7E3 · pith_short_16: 7IGEE2NXY7E3RV2O · pith_short_8: 7IGEE2NX

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/7IGEE2NXY7E3RV2OH32P5YZELC \
  | 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: fa0c4269b7c7c9b8d74e3ef4fee3245899eaaca87fafac921e293adee3c4e25d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ed2cbd328fcd336011997013c033c98a7839ea130dd6354651d26f9e9413eef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2019-02-07T15:42:04Z",
    "title_canon_sha256": "390363fca0c8a43a3bd834769f478093840426baa25cf7f3ce2c94ff62dc3a5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.02696",
    "kind": "arxiv",
    "version": 1
  }
}