Pith Number

pith:SSMZAKWC

pith:2018:SSMZAKWCKHD3IVV2YUYTEOUJY2

not attested not anchored not stored refs pending

Hypersurfaces of Euclidean space with prescribed boundary and small Steklov eigenvalues

Alexandre Girouard, Antoine M\'etras, Bruno Colbois

arxiv:1811.11463 v1 · 2018-11-28 · math.SP · 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{SSMZAKWCKHD3IVV2YUYTEOUJY2}

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	2026-05-17T23:59:41.042449Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9499902ac251c7b456bac531323a89c680dfa50fd85395e8c9e843de16087c2d

Aliases

arxiv: 1811.11463 · arxiv_version: 1811.11463v1 · doi: 10.48550/arxiv.1811.11463 · pith_short_12: SSMZAKWCKHD3 · pith_short_16: SSMZAKWCKHD3IVV2 · pith_short_8: SSMZAKWC

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/SSMZAKWCKHD3IVV2YUYTEOUJY2 \
  | 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: 9499902ac251c7b456bac531323a89c680dfa50fd85395e8c9e843de16087c2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca0667510dd08b7dc03e24505db462c6b037f648f1ef484711ea0dc25489d893",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2018-11-28T09:42:50Z",
    "title_canon_sha256": "41909efd2f856a744437646c95672970ae7a8a0601c53629548321a65dc24a15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.11463",
    "kind": "arxiv",
    "version": 1
  }
}