Pith Number

pith:VQ2BUGTA

pith:2018:VQ2BUGTAJP4ACX7GMZ47BGQTXM

not attested not anchored not stored refs pending

Autostackability of Thompson's group $F$

Ashley Johnson, Gili Golan, Nathan Corwin, Susan Hermiller, Zoran Sunic

arxiv:1811.11691 v1 · 2018-11-28 · math.GR · cs.FL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VQ2BUGTAJP4ACX7GMZ47BGQTXM}

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	2026-05-17T23:59:40.254500Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac341a1a604bf8015fe66679f09a13bb0c576a35055c8d96ea3a92bf91f305bf

Aliases

arxiv: 1811.11691 · arxiv_version: 1811.11691v1 · doi: 10.48550/arxiv.1811.11691 · pith_short_12: VQ2BUGTAJP4A · pith_short_16: VQ2BUGTAJP4ACX7G · pith_short_8: VQ2BUGTA

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/VQ2BUGTAJP4ACX7GMZ47BGQTXM \
  | 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: ac341a1a604bf8015fe66679f09a13bb0c576a35055c8d96ea3a92bf91f305bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d871461944fbdb3461cfbd04089cbf1615fc44b9b2fa29caf9cf2bea0fbacc7f",
    "cross_cats_sorted": [
      "cs.FL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2018-11-28T17:18:47Z",
    "title_canon_sha256": "3dfbf87613b83a11b054a4a8befbb4071e6c03385bd721c2644d4ca707fc0608"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.11691",
    "kind": "arxiv",
    "version": 1
  }
}