Pith Number

pith:PSFXE6VF

pith:2015:PSFXE6VFOE3R35NROBAQ2V544W

not attested not anchored not stored refs pending

Efficient Algorithms for Morphisms over Omega-Regular Languages

Lukas Fleischer, Manfred Kufleitner

arxiv:1509.06215 v2 · 2015-09-21 · cs.FL · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PSFXE6VFOE3R35NROBAQ2V544W}

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	2026-05-18T01:27:31.193410Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c8b727aa571371df5b170410d57bce5b9cb479baf4241e958d061c2afdd4059

Aliases

arxiv: 1509.06215 · arxiv_version: 1509.06215v2 · doi: 10.48550/arxiv.1509.06215 · pith_short_12: PSFXE6VFOE3R · pith_short_16: PSFXE6VFOE3R35NR · pith_short_8: PSFXE6VF

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/PSFXE6VFOE3R35NROBAQ2V544W \
  | 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: 7c8b727aa571371df5b170410d57bce5b9cb479baf4241e958d061c2afdd4059

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf0ab469ef79031d4071f744f728a155dee3166aab4051fe26d2836f95526840",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2015-09-21T13:15:41Z",
    "title_canon_sha256": "c575aa7a3cdab82d33a68137706f3009a4f3b7aa91ea15b2da0b3afc37fd342d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.06215",
    "kind": "arxiv",
    "version": 2
  }
}