Pith Number

pith:HQH5C4AB

pith:2017:HQH5C4ABKN4WTCENTQ66WH5Q4C

not attested not anchored not stored refs pending

Scale and tidy subgroups for Weyl-transitive automorphism groups of buildings

Jacqui Ramagge, James Parkinson, Udo Baumgartner

arxiv:1710.07881 v1 · 2017-10-22 · 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{HQH5C4ABKN4WTCENTQ66WH5Q4C}

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	2026-05-18T00:32:19.490158Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c0fd17001537969888d9c3deb1fb0e08b90df279ec2d9bb3209baa5b70ebc87

Aliases

arxiv: 1710.07881 · arxiv_version: 1710.07881v1 · doi: 10.48550/arxiv.1710.07881 · pith_short_12: HQH5C4ABKN4W · pith_short_16: HQH5C4ABKN4WTCEN · pith_short_8: HQH5C4AB

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/HQH5C4ABKN4WTCENTQ66WH5Q4C \
  | 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: 3c0fd17001537969888d9c3deb1fb0e08b90df279ec2d9bb3209baa5b70ebc87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8184ecabbafe284342dff18e2f7f4b82681bbefe847965a44c8e9575cce536f4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2017-10-22T03:31:26Z",
    "title_canon_sha256": "9e51798fc5d456634959cb3000c31b108f21f02bff767ff180ea0d75b5e3aad5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.07881",
    "kind": "arxiv",
    "version": 1
  }
}