Pith Number

pith:LQJ7XIEW

pith:2013:LQJ7XIEWMJGTRAGK6PA7GWOZ6A

not attested not anchored not stored refs pending

On Belk's classifying space for Thompson's group F

Lucas Sabalka, Matthew C. B. Zaremsky

arxiv:1306.6534 v2 · 2013-06-27 · 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{LQJ7XIEWMJGTRAGK6PA7GWOZ6A}

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	2026-05-18T02:54:46.996005Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c13fba096624d3880caf3c1f359d9f02d30790d2508c97ccd334bcc610e4bba

Aliases

arxiv: 1306.6534 · arxiv_version: 1306.6534v2 · doi: 10.48550/arxiv.1306.6534 · pith_short_12: LQJ7XIEWMJGT · pith_short_16: LQJ7XIEWMJGTRAGK · pith_short_8: LQJ7XIEW

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/LQJ7XIEWMJGTRAGK6PA7GWOZ6A \
  | 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: 5c13fba096624d3880caf3c1f359d9f02d30790d2508c97ccd334bcc610e4bba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf92de45b4bc58f12797014157948f4f095eeff795d2817b10aeae2de069d054",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2013-06-27T15:00:34Z",
    "title_canon_sha256": "0a091e2a0aac6be9512ff929e667fa0f120677b69991dfc0da7fb9350386af29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.6534",
    "kind": "arxiv",
    "version": 2
  }
}