Pith Number

pith:QE7J7J6U

pith:2014:QE7J7J6UL3OCPBBKZN2E42JEFY

not attested not anchored not stored refs pending

Envelopes of certain solvable groups

Tullia Dymarz

arxiv:1404.5098 v1 · 2014-04-21 · 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{QE7J7J6UL3OCPBBKZN2E42JEFY}

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	2026-05-18T02:53:42.782889Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

813e9fa7d45edc27842acb744e69242e33a4e7b5b9bcd23dbb5a7db726f76c97

Aliases

arxiv: 1404.5098 · arxiv_version: 1404.5098v1 · doi: 10.48550/arxiv.1404.5098 · pith_short_12: QE7J7J6UL3OC · pith_short_16: QE7J7J6UL3OCPBBK · pith_short_8: QE7J7J6U

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/QE7J7J6UL3OCPBBKZN2E42JEFY \
  | 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: 813e9fa7d45edc27842acb744e69242e33a4e7b5b9bcd23dbb5a7db726f76c97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5e0967954bce406709ce1d31d99c16330d502729d494966039995cb5c155250",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2014-04-21T03:22:04Z",
    "title_canon_sha256": "9abd63a2cc301f521bcb4828147333d7c6e63eba8a0fcf4b360879894452540b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.5098",
    "kind": "arxiv",
    "version": 1
  }
}