Pith Number

pith:XU6QWBJ5

pith:2018:XU6QWBJ5BVAPJZD7DOMNAGVRWS

not attested not anchored not stored refs pending

Quotients of the mapping class group by power subgroups

Javier Aramayona, Louis Funar

arxiv:1804.10440 v3 · 2018-04-27 · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XU6QWBJ5BVAPJZD7DOMNAGVRWS}

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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.

Cited by

1 paper in Pith

Power quotients of surface groups and mapping class groups

Receipt and verification

First computed	2026-07-05T08:46:04.565870Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd3d0b053d0d40f4e47f1b98d01ab1b4ad26e5eb1876278af3a71d9bf655baec

Aliases

arxiv: 1804.10440 · arxiv_version: 1804.10440v3 · doi: 10.48550/arxiv.1804.10440 · pith_short_12: XU6QWBJ5BVAP · pith_short_16: XU6QWBJ5BVAPJZD7 · pith_short_8: XU6QWBJ5

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/XU6QWBJ5BVAPJZD7DOMNAGVRWS \
  | 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: bd3d0b053d0d40f4e47f1b98d01ab1b4ad26e5eb1876278af3a71d9bf655baec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a42e3dd157339c5150cffcd73f233e60dac1eb05ccd395232ce8151acba970e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2018-04-27T11:03:13Z",
    "title_canon_sha256": "d7fc872e5ba0ef88ff256ecfd66a6d5919b5ed82dc1db0ad3c30c4bd55e0cc4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.10440",
    "kind": "arxiv",
    "version": 3
  }
}