Pith Number

pith:QDQELEBI

pith:2019:QDQELEBIB25LAKCW3XQUZ4OPOK

not attested not anchored not stored refs pending

Ensuring Liveness Properties of Distributed Systems: Open Problems

Rob van Glabbeek

arxiv:1912.05616 v1 · 2019-08-04 · 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{QDQELEBIB25LAKCW3XQUZ4OPOK}

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	2026-07-05T00:25:40.925153Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80e04590280ebab02856dde14cf1cf72802cc70a3888d90cff5c998e95139e53

Aliases

arxiv: 1912.05616 · arxiv_version: 1912.05616v1 · doi: 10.48550/arxiv.1912.05616 · pith_short_12: QDQELEBIB25L · pith_short_16: QDQELEBIB25LAKCW · pith_short_8: QDQELEBI

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/QDQELEBIB25LAKCW3XQUZ4OPOK \
  | 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: 80e04590280ebab02856dde14cf1cf72802cc70a3888d90cff5c998e95139e53

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8d9e2d700cfb28bb7b2eff62673d84789d6971c6de995d73562982e45077f09",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2019-08-04T10:56:42Z",
    "title_canon_sha256": "bcbd7a4a63a964dd05f931670177b1f169301ca536c5de32e1126943647f65cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.05616",
    "kind": "arxiv",
    "version": 1
  }
}