Pith Number

pith:PYLOFHEN

pith:2011:PYLOFHENLMR2XHUUWEQOR2IORN

not attested not anchored not stored refs pending

Derived length of solvable groups of local diffeomorphisms

Javier Rib\'on, Mitchael Martelo

arxiv:1108.5779 v1 · 2011-08-29 · math.DS · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PYLOFHENLMR2XHUUWEQOR2IORN}

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	2026-05-18T00:51:03.664134Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e16e29c8d5b23ab9e94b120e8e90e8b441c88e536d2d2d5faaaccc109301fa9

Aliases

arxiv: 1108.5779 · arxiv_version: 1108.5779v1 · doi: 10.48550/arxiv.1108.5779 · pith_short_12: PYLOFHENLMR2 · pith_short_16: PYLOFHENLMR2XHUU · pith_short_8: PYLOFHEN

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/PYLOFHENLMR2XHUUWEQOR2IORN \
  | 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: 7e16e29c8d5b23ab9e94b120e8e90e8b441c88e536d2d2d5faaaccc109301fa9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd2179d993dd01cbdf12b4da8a48d7e6a1fb86ddfcfce5b8026b4fa1d87be784",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2011-08-29T23:39:18Z",
    "title_canon_sha256": "9a44785bb9226e1f7aee0c34b5c69c53ef4ac638f30fa940535dced10c0ea357"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.5779",
    "kind": "arxiv",
    "version": 1
  }
}