Pith Number

pith:VQKGLEWP

pith:2011:VQKGLEWPJSMRSGZU2YXBHOYVK4

not attested not anchored not stored refs pending

Shared Memory Concurrent System Verification using Kronecker Algebra

Johann Blieberger, Robert Mittermayr

arxiv:1109.5522 v1 · 2011-09-26 · 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{VQKGLEWPJSMRSGZU2YXBHOYVK4}

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	2026-05-18T04:12:19.589570Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac146592cf4c99191b34d62e13bb15570af8120b3388251e6eb2e040f53a6e41

Aliases

arxiv: 1109.5522 · arxiv_version: 1109.5522v1 · doi: 10.48550/arxiv.1109.5522 · pith_short_12: VQKGLEWPJSMR · pith_short_16: VQKGLEWPJSMRSGZU · pith_short_8: VQKGLEWP

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/VQKGLEWPJSMRSGZU2YXBHOYVK4 \
  | 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: ac146592cf4c99191b34d62e13bb15570af8120b3388251e6eb2e040f53a6e41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ec7d122b1d767a0c8d4a364a778d798cecb498cf49c9b4469884af3baedc172",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2011-09-26T11:23:04Z",
    "title_canon_sha256": "630d81f95dd549324c99e93e37677ad63c722fe116a37fe6136b4744200519cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.5522",
    "kind": "arxiv",
    "version": 1
  }
}