Pith Number

pith:25POHAPQ

pith:2018:25POHAPQEKAOAMUMRCU3PUJ42U

not attested not anchored not stored refs pending

Non virtually solvable subgroups of mapping class groups have non virtually solvable representations

Asaf Hadari

arxiv:1805.01527 v1 · 2018-05-03 · math.GT · 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{25POHAPQEKAOAMUMRCU3PUJ42U}

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	2026-05-18T00:16:49.747556Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d75ee381f02280e0328c88a9b7d13cd51b1fecff3a3a625c34c70a5121a55933

Aliases

arxiv: 1805.01527 · arxiv_version: 1805.01527v1 · doi: 10.48550/arxiv.1805.01527 · pith_short_12: 25POHAPQEKAO · pith_short_16: 25POHAPQEKAOAMUM · pith_short_8: 25POHAPQ

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/25POHAPQEKAOAMUMRCU3PUJ42U \
  | 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: d75ee381f02280e0328c88a9b7d13cd51b1fecff3a3a625c34c70a5121a55933

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa02a93cea7eba492d20cd17a351f815a4e1c16b87203da9738f1f203c7078ff",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2018-05-03T20:44:44Z",
    "title_canon_sha256": "906f54ef6292f5d3dc2303cee69169ec34ee185d52e9054e8e050b799ba754b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.01527",
    "kind": "arxiv",
    "version": 1
  }
}