Pith Number

pith:D5DKSGL5

pith:2013:D5DKSGL5FTFWESPLNSYNEYJX4Z

not attested not anchored not stored refs pending

Quasiconformal maps on model Filiform groups

Xiangdong Xie

arxiv:1308.3027 v1 · 2013-08-14 · math.CV · 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{D5DKSGL5FTFWESPLNSYNEYJX4Z}

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	2026-05-18T03:15:56.845133Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f46a9197d2ccb6249eb6cb0d26137e6728f7ce2741186b8eec4bea498237ea4

Aliases

arxiv: 1308.3027 · arxiv_version: 1308.3027v1 · doi: 10.48550/arxiv.1308.3027 · pith_short_12: D5DKSGL5FTFW · pith_short_16: D5DKSGL5FTFWESPL · pith_short_8: D5DKSGL5

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/D5DKSGL5FTFWESPLNSYNEYJX4Z \
  | 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: 1f46a9197d2ccb6249eb6cb0d26137e6728f7ce2741186b8eec4bea498237ea4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6287371c32e627cbea4b80bc6e3d7ab705fc57379c6102f17d4d8e6c7c49f25",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2013-08-14T04:35:00Z",
    "title_canon_sha256": "2a7bd03362e59167952f496e7bd244a52ed3b532ae6fbcd1c18a643060585575"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.3027",
    "kind": "arxiv",
    "version": 1
  }
}