Pith Number

pith:YNSPRESO

pith:2018:YNSPRESO4F2TS76HSPMD4SEBNT

not attested not anchored not stored refs pending

Index and first Betti number of $f$-minimal hypersurfaces and self-shrinkers

Alessandro Savo, Debora Impera, Michele Rimoldi

arxiv:1803.08268 v1 · 2018-03-22 · 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{YNSPRESO4F2TS76HSPMD4SEBNT}

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	2026-05-18T00:20:23.242054Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c364f8924ee175397fc793d83e48816cd350acd6f9cb5fa59c9f86dd89ef91cd

Aliases

arxiv: 1803.08268 · arxiv_version: 1803.08268v1 · doi: 10.48550/arxiv.1803.08268 · pith_short_12: YNSPRESO4F2T · pith_short_16: YNSPRESO4F2TS76H · pith_short_8: YNSPRESO

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/YNSPRESO4F2TS76HSPMD4SEBNT \
  | 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: c364f8924ee175397fc793d83e48816cd350acd6f9cb5fa59c9f86dd89ef91cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3265f32fc568368db87de70d19e2a66daada51f42e025eb6aaa6d3c2c247de74",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-03-22T08:50:30Z",
    "title_canon_sha256": "6fe340723ead0f7af9abc6e596e11eed88155f0517a56eafeaf755b8343b3953"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.08268",
    "kind": "arxiv",
    "version": 1
  }
}