Pith Number

pith:5ETIARHB

pith:2018:5ETIARHBSDYV5VQ77NMYBRQTFR

not attested not anchored not stored refs pending

Sharp Convergence Rate of Eigenvalues in a Domain with a Shrinking Tube

Roberto Ognibene, Veronica Felli

arxiv:1809.02991 v1 · 2018-09-09 · 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{5ETIARHBSDYV5VQ77NMYBRQTFR}

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	2026-05-18T00:06:10.407919Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9268044e190f15ed61ffb5980c6132c7fb24ff856d937084856c657c930db3d

Aliases

arxiv: 1809.02991 · arxiv_version: 1809.02991v1 · doi: 10.48550/arxiv.1809.02991 · pith_short_12: 5ETIARHBSDYV · pith_short_16: 5ETIARHBSDYV5VQ7 · pith_short_8: 5ETIARHB

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/5ETIARHBSDYV5VQ77NMYBRQTFR \
  | 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: e9268044e190f15ed61ffb5980c6132c7fb24ff856d937084856c657c930db3d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d48bb91041ef5326479dceed95bed489e6fd5381ba74cbb802a937b73515426",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-09-09T15:33:58Z",
    "title_canon_sha256": "993340f7936c48f06b1f2ecbdcf5d9ba8a810a7c4327c5914ac956227ac2557e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.02991",
    "kind": "arxiv",
    "version": 1
  }
}