Pith Number

pith:SM4IKK54

pith:2015:SM4IKK54UGOTJJEYWMQZ7X35WP

not attested not anchored not stored refs pending

Minimal surfaces in 4-dimensional Lorentzian Damek-Ricci spaces

Adriana A. Cintra, Francesco Mercuri, Irene I. Onnis

arxiv:1501.03427 v1 · 2015-01-14 · 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{SM4IKK54UGOTJJEYWMQZ7X35WP}

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	2026-05-18T02:29:24.080116Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9338852bbca19d34a498b3219fdf7db3f5223bb3354e56981d0e9d9f0bd2161d

Aliases

arxiv: 1501.03427 · arxiv_version: 1501.03427v1 · doi: 10.48550/arxiv.1501.03427 · pith_short_12: SM4IKK54UGOT · pith_short_16: SM4IKK54UGOTJJEY · pith_short_8: SM4IKK54

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/SM4IKK54UGOTJJEYWMQZ7X35WP \
  | 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: 9338852bbca19d34a498b3219fdf7db3f5223bb3354e56981d0e9d9f0bd2161d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47adbc91bd06b444be84ffb0ed7db6f2e1b9b507ef2456dab28d8d540a89324d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2015-01-14T17:58:15Z",
    "title_canon_sha256": "9d3b5be731a368253c33e6f60059ed403177cc6b98662e4ca509688945cc4dda"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.03427",
    "kind": "arxiv",
    "version": 1
  }
}