Pith Number

pith:2QPA3A3I

pith:2018:2QPA3A3IF4B6B4TSJ7SQ2TQPMM

not attested not anchored not stored refs pending

On Infinitely generated Fuchsian groups of some infinite genus surfaces

Camilo Ram\'irez Maluendas, John A. Arredondo

arxiv:1806.04492 v1 · 2018-06-12 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2QPA3A3IF4B6B4TSJ7SQ2TQPMM}

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	2026-05-18T00:13:35.362442Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d41e0d83682f03e0f2724fe50d4e0f630d1548d81e4b307176b84f91c895b9e5

Aliases

arxiv: 1806.04492 · arxiv_version: 1806.04492v1 · doi: 10.48550/arxiv.1806.04492 · pith_short_12: 2QPA3A3IF4B6 · pith_short_16: 2QPA3A3IF4B6B4TS · pith_short_8: 2QPA3A3I

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/2QPA3A3IF4B6B4TSJ7SQ2TQPMM \
  | 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: d41e0d83682f03e0f2724fe50d4e0f630d1548d81e4b307176b84f91c895b9e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db86f5b7d4a7904a83d29868ac95eb22f3dea037d23ddc8065031dbe6a89de98",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-06-12T13:21:04Z",
    "title_canon_sha256": "8ee53ebccd7f90dd8fa532236ad49b40b507c1a414849ca17e01b25f5ee1e7fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.04492",
    "kind": "arxiv",
    "version": 1
  }
}