Pith Number

pith:Q7CDLMTM

pith:2018:Q7CDLMTM7T2UHDS2DCX4FY7BGH

not attested not anchored not stored refs pending

Action dimensions of some simple complexes of groups

Giang Le, Kevin Schreve, Michael W. Davis

arxiv:1803.04095 v2 · 2018-03-12 · math.GT · 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{Q7CDLMTM7T2UHDS2DCX4FY7BGH}

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	2026-05-17T23:41:46.767250Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87c435b26cfcf5438e5a18afc2e3e131de9a7069fce92d87b31c34942eac8d0d

Aliases

arxiv: 1803.04095 · arxiv_version: 1803.04095v2 · doi: 10.48550/arxiv.1803.04095 · pith_short_12: Q7CDLMTM7T2U · pith_short_16: Q7CDLMTM7T2UHDS2 · pith_short_8: Q7CDLMTM

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/Q7CDLMTM7T2UHDS2DCX4FY7BGH \
  | 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: 87c435b26cfcf5438e5a18afc2e3e131de9a7069fce92d87b31c34942eac8d0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc4daa6119843beae8a576f73e2b70b4587f1e82586b9e53876798e08a380bdf",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2018-03-12T02:43:01Z",
    "title_canon_sha256": "e1f2e832ada07d15e33e2a3b3d6ef23b43c724122515c6e6f976482424b669af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.04095",
    "kind": "arxiv",
    "version": 2
  }
}