Pith Number

pith:IVYXM7MT

pith:2015:IVYXM7MTLRF3T7LB626YETQQBF

not attested not anchored not stored refs pending

Language Emptiness of Continuous-Time Parametric Timed Automata

Ji\v{r}\'i Srba, Kim G. Larsen, Nikola Bene\v{s}, Peter Bezd\v{e}k

arxiv:1504.07838 v1 · 2015-04-29 · 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{IVYXM7MTLRF3T7LB626YETQQBF}

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	2026-05-18T01:09:47.059292Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4571767d935c4bb9fd61f6bd824e10095b11d28a4e6090f71a467212cdf1afe9

Aliases

arxiv: 1504.07838 · arxiv_version: 1504.07838v1 · doi: 10.48550/arxiv.1504.07838 · pith_short_12: IVYXM7MTLRF3 · pith_short_16: IVYXM7MTLRF3T7LB · pith_short_8: IVYXM7MT

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/IVYXM7MTLRF3T7LB626YETQQBF \
  | 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: 4571767d935c4bb9fd61f6bd824e10095b11d28a4e6090f71a467212cdf1afe9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "515befed5c2e1f45bbeeb07af5755a2dbd055991489e764064bc0a0db3e456c8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2015-04-29T12:51:03Z",
    "title_canon_sha256": "7d9227b24d0b3fe80ced428ede527f451568328108698e33921f1e00647fdd60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.07838",
    "kind": "arxiv",
    "version": 1
  }
}