Pith Number

pith:DDYXV35S

pith:2011:DDYXV35SRIBSMYUDZNIJXVY7RA

not attested not anchored not stored refs pending

Isoparametric hypersurfaces in Damek-Ricci spaces

J. Carlos Diaz-Ramos, Miguel Dominguez-Vazquez

arxiv:1111.0264 v2 · 2011-11-01 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DDYXV35SRIBSMYUDZNIJXVY7RA}

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	2026-05-18T03:44:15.493639Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18f17aefb28a03266283cb509bd71f88325590d19f514a48ca3256cebfacae20

Aliases

arxiv: 1111.0264 · arxiv_version: 1111.0264v2 · doi: 10.48550/arxiv.1111.0264 · pith_short_12: DDYXV35SRIBS · pith_short_16: DDYXV35SRIBSMYUD · pith_short_8: DDYXV35S

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/DDYXV35SRIBSMYUDZNIJXVY7RA \
  | 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: 18f17aefb28a03266283cb509bd71f88325590d19f514a48ca3256cebfacae20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d898417152537a8703305f6785d0fd0902262bba4f53e1153d6c029301fa668f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-11-01T18:25:59Z",
    "title_canon_sha256": "222e4d5151eb97e20d5abd0a83b802f212e3bca7e87ea5c5836b021b75613f29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.0264",
    "kind": "arxiv",
    "version": 2
  }
}