Pith Number

pith:TKOXJMDD

pith:2012:TKOXJMDDR7O4BZ5F3R7RAZLWI2

not attested not anchored not stored refs pending

On topological twin buildings and topological split Kac-Moody groups

Andreas Mars, Ralf K\"ohl, Tobias Hartnick

arxiv:1201.3562 v2 · 2012-01-17 · math.GR · math.CO · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TKOXJMDDR7O4BZ5F3R7RAZLWI2}

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	2026-05-18T02:20:20.236634Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a9d74b0638fddc0e7a5dc7f106576469c6f08f6c4c5c89b5038cc6cae819e6b

Aliases

arxiv: 1201.3562 · arxiv_version: 1201.3562v2 · doi: 10.48550/arxiv.1201.3562 · pith_short_12: TKOXJMDDR7O4 · pith_short_16: TKOXJMDDR7O4BZ5F · pith_short_8: TKOXJMDD

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/TKOXJMDDR7O4BZ5F3R7RAZLWI2 \
  | 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: 9a9d74b0638fddc0e7a5dc7f106576469c6f08f6c4c5c89b5038cc6cae819e6b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf100855ec1d1e6b78792db5faad5546aff7d81df0910ba9ab9490a9f8880d0a",
    "cross_cats_sorted": [
      "math.CO",
      "math.GN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2012-01-17T17:17:48Z",
    "title_canon_sha256": "055686114ab16a33a17c6513543bc698fffbc2e8071a9b3811141b356a5eae03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.3562",
    "kind": "arxiv",
    "version": 2
  }
}