Pith Number

pith:CEFY6N6W

pith:2015:CEFY6N6W4WYH64BIANRCB53V43

not attested not anchored not stored refs pending

On the Skolem Problem for Continuous Linear Dynamical Systems

James Worrell, Joel Ouaknine, Ventsislav Chonev

arxiv:1506.00695 v3 · 2015-06-01 · cs.SY · cs.SC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CEFY6N6W4WYH64BIANRCB53V43}

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	2026-05-18T01:15:15.192478Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

110b8f37d6e5b07f7028036220f775e6ffaa92f530bff3ed1f268203244bdf85

Aliases

arxiv: 1506.00695 · arxiv_version: 1506.00695v3 · doi: 10.48550/arxiv.1506.00695 · pith_short_12: CEFY6N6W4WYH · pith_short_16: CEFY6N6W4WYH64BI · pith_short_8: CEFY6N6W

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/CEFY6N6W4WYH64BIANRCB53V43 \
  | 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: 110b8f37d6e5b07f7028036220f775e6ffaa92f530bff3ed1f268203244bdf85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e74b5f26707a63f273c3552716e596fc93940a8ee23fc8f286093c2416065d6",
    "cross_cats_sorted": [
      "cs.SC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2015-06-01T22:30:59Z",
    "title_canon_sha256": "11ada16565c572980860007e4aa2a7526aa4939b965040f1ea2267d7c2dff2b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.00695",
    "kind": "arxiv",
    "version": 3
  }
}