Pith Number

pith:F5N2OEVD

pith:2026:F5N2OEVDREDNAWKTPA2S2VVVYK

not attested not anchored not stored refs pending

Small Torsion Topological Generators for Big Mapping Class Groups

Celal Can Bellek, Emir G\"ul, Mehmetcik Pamuk, O\u{g}uz Y{\i}ld{\i}z, T\"ulin Altun\"oz

arxiv:2601.02784 v2 · 2026-01-06 · 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{F5N2OEVDREDNAWKTPA2S2VVVYK}

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	2026-05-21T01:05:14.254274Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f5ba712a38906d0595378352d56b5c286688b2dbb04565b5dc9653dd2387adf

Aliases

arxiv: 2601.02784 · arxiv_version: 2601.02784v2 · doi: 10.48550/arxiv.2601.02784 · pith_short_12: F5N2OEVDREDN · pith_short_16: F5N2OEVDREDNAWKT · pith_short_8: F5N2OEVD

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/F5N2OEVDREDNAWKTPA2S2VVVYK \
  | 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: 2f5ba712a38906d0595378352d56b5c286688b2dbb04565b5dc9653dd2387adf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a32a3a156e91a1810ad322869c076dd9f7fb12b271b756d561b14091b29db15",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2026-01-06T07:41:52Z",
    "title_canon_sha256": "f631f420cca39c00689244507349755459c7d00041cf04c8b210e19d755c0fcf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.02784",
    "kind": "arxiv",
    "version": 2
  }
}