Pith Number

pith:SLKPUWS3

pith:2018:SLKPUWS3DZASRXI64TQPIRJLSL

not attested not anchored not stored refs pending

Existence of a lens-shaped cluster of surfaces self-shrinking by mean curvature

Carlo Mantegazza, Emanuele Haus, Pietro Baldi

arxiv:1811.07822 v1 · 2018-11-19 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SLKPUWS3DZASRXI64TQPIRJLSL}

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	2026-05-18T00:00:23.403177Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

92d4fa5a5b1e4128dd1ee4e0f4452b92fb1179091d18ee2569f79b72f2025111

Aliases

arxiv: 1811.07822 · arxiv_version: 1811.07822v1 · doi: 10.48550/arxiv.1811.07822 · pith_short_12: SLKPUWS3DZAS · pith_short_16: SLKPUWS3DZASRXI6 · pith_short_8: SLKPUWS3

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/SLKPUWS3DZASRXI64TQPIRJLSL \
  | 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: 92d4fa5a5b1e4128dd1ee4e0f4452b92fb1179091d18ee2569f79b72f2025111

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "012a214e253f11f020b7f774c58d9a14ab43bbe76a058b95ca179cc3e4829776",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-11-19T17:34:51Z",
    "title_canon_sha256": "37acfa04020c853b13c1a2b430ac0beeb6c74542099333d40377f9561e4cdb8e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.07822",
    "kind": "arxiv",
    "version": 1
  }
}