Pith Number

pith:KLC3P5TC

pith:2017:KLC3P5TCIZBP5LL5N32A4EPZSF

not attested not anchored not stored refs pending

Arrangements of ideal type are inductively free

Anne Schauenburg, Gerhard Roehrle, Michael Cuntz

arxiv:1711.09760 v2 · 2017-11-23 · math.CO · 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{KLC3P5TCIZBP5LL5N32A4EPZSF}

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	2026-05-17T23:55:03.662084Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52c5b7f6624642fead7d6ef40e11f99179b6cbbd2c9d7302995f062e777a5872

Aliases

arxiv: 1711.09760 · arxiv_version: 1711.09760v2 · doi: 10.48550/arxiv.1711.09760 · pith_short_12: KLC3P5TCIZBP · pith_short_16: KLC3P5TCIZBP5LL5 · pith_short_8: KLC3P5TC

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/KLC3P5TCIZBP5LL5N32A4EPZSF \
  | 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: 52c5b7f6624642fead7d6ef40e11f99179b6cbbd2c9d7302995f062e777a5872

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d240e6aa5f054158133f3541bd7f51cc56cdaafd9cb0e79bc7b9b52f7eaf6f5",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-11-23T12:28:02Z",
    "title_canon_sha256": "22cfa18d56ae539c39acdbf5d6cb1275e486fd488058272134423be39b22419d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.09760",
    "kind": "arxiv",
    "version": 2
  }
}