Pith Number

pith:LUHHSHBV

pith:2017:LUHHSHBVVT7X2BUJEQNAT6HVPE

not attested not anchored not stored refs pending

Any Baumslag-Solitar action on surfaces with a pseudo-Anosov element has a finite orbit

Isabelle Liousse, Nancy Guelman

arxiv:1703.09037 v1 · 2017-03-27 · math.DS · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LUHHSHBVVT7X2BUJEQNAT6HVPE}

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	2026-05-18T00:47:54.503799Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d0e791c35acff7d0689241a09f8f57907d8b213ad8f2df14b97242025784d21

Aliases

arxiv: 1703.09037 · arxiv_version: 1703.09037v1 · doi: 10.48550/arxiv.1703.09037 · pith_short_12: LUHHSHBVVT7X · pith_short_16: LUHHSHBVVT7X2BUJ · pith_short_8: LUHHSHBV

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/LUHHSHBVVT7X2BUJEQNAT6HVPE \
  | 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: 5d0e791c35acff7d0689241a09f8f57907d8b213ad8f2df14b97242025784d21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c91d9932097cca4c436063db97127aa53e7747c2bf9d07294b446d62f70d673",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2017-03-27T12:41:45Z",
    "title_canon_sha256": "e500d20fd13cd3302dc161d432b70dc1e36af54008c3c6223a81db86352fb20f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.09037",
    "kind": "arxiv",
    "version": 1
  }
}