Pith Number

pith:VDK5LRUF

pith:2015:VDK5LRUF6A6V4LWCSDL3Y4UMVY

not attested not anchored not stored refs pending

On the approximation of the principal eigenvalue for a class of nonlinear elliptic operators

Fabio Camilli, Isabeau Birindelli, Italo Capuzzo Dolcetta

arxiv:1506.08270 v2 · 2015-06-27 · math.NA · 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{VDK5LRUF6A6V4LWCSDL3Y4UMVY}

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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	2026-05-18T01:20:29.488840Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8d5d5c685f03d5e2ec290d7bc728cae3ad6ec60ca4ba810366868f09f2d11fa

Aliases

arxiv: 1506.08270 · arxiv_version: 1506.08270v2 · doi: 10.48550/arxiv.1506.08270 · pith_short_12: VDK5LRUF6A6V · pith_short_16: VDK5LRUF6A6V4LWC · pith_short_8: VDK5LRUF

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/VDK5LRUF6A6V4LWCSDL3Y4UMVY \
  | 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: a8d5d5c685f03d5e2ec290d7bc728cae3ad6ec60ca4ba810366868f09f2d11fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "938ca4bd3a7b37a2dacffe7650bb9e2264893f26dcb0cbc981dbb14913c8108e",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-06-27T08:33:55Z",
    "title_canon_sha256": "9e0199c4e51512d4d3dddf62e721a9b52df6cabe5fe4fac733d1884e7c82f285"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.08270",
    "kind": "arxiv",
    "version": 2
  }
}