Pith Number

pith:Z76UGCPJ

pith:2019:Z76UGCPJ6FQBTE3XNMC645QBE6

not attested not anchored not stored refs pending

Algebraic Structure of Diffeomorphism Groups of One-Manifolds

Jaewon Chang, Sang-hyun Kim, Thomas Koberda

arxiv:1904.08793 v1 · 2019-04-18 · math.GR · math.DS · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z76UGCPJ6FQBTE3XNMC645QBE6}

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.

Cited by

1 paper in Pith

Reconstructing maps out of groups

Receipt and verification

First computed	2026-05-17T23:48:12.917503Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cffd4309e9f1601993776b05ee760127be4917d8d115bcc42194db1cfa583aa8

Aliases

arxiv: 1904.08793 · arxiv_version: 1904.08793v1 · doi: 10.48550/arxiv.1904.08793 · pith_short_12: Z76UGCPJ6FQB · pith_short_16: Z76UGCPJ6FQBTE3X · pith_short_8: Z76UGCPJ

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/Z76UGCPJ6FQBTE3XNMC645QBE6 \
  | 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: cffd4309e9f1601993776b05ee760127be4917d8d115bcc42194db1cfa583aa8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e31086de8098c4a7cd903d03bacba5b2929fc5818fcf29ea0e5d6484d42b18f0",
    "cross_cats_sorted": [
      "math.DS",
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2019-04-18T14:00:46Z",
    "title_canon_sha256": "378a2d239c48f7fb31e746a7043c037dda25df74ac022f90296e224cf3abc9cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.08793",
    "kind": "arxiv",
    "version": 1
  }
}