Pith Number

pith:WBH5KATL

pith:2026:WBH5KATLH7ZO3NWLX2IDE2ZZNB

not attested not anchored not stored refs pending

Solving the Reachability Problem for Branching Vector Addition Systems via Semilinear Inductive Invariants

Clotilde Bizi\`ere, Gr\'egoire Sutre, J\'er\^ome Leroux

arxiv:2607.09558 v1 · 2026-07-10 · cs.LO · 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{WBH5KATLH7ZO3NWLX2IDE2ZZNB}

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	2026-07-13T01:20:20.251758Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b04fd5026b3ff2edb6cbbe90326b39687f285a6dcf88c904c988ecc9cfcf2003

Aliases

arxiv: 2607.09558 · arxiv_version: 2607.09558v1 · doi: 10.48550/arxiv.2607.09558 · pith_short_12: WBH5KATLH7ZO · pith_short_16: WBH5KATLH7ZO3NWL · pith_short_8: WBH5KATL

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/WBH5KATLH7ZO3NWLX2IDE2ZZNB \
  | 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: b04fd5026b3ff2edb6cbbe90326b39687f285a6dcf88c904c988ecc9cfcf2003

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4287d53a91a886397353f8d31c129e263bafd803d83bf22c09503fd2eb5f415",
    "cross_cats_sorted": [
      "cs.FL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2026-07-10T16:03:19Z",
    "title_canon_sha256": "cae515998330f50f1448e3ece19733106367d8287831a095b29274a898b78391"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.09558",
    "kind": "arxiv",
    "version": 1
  }
}