Pith Number

pith:AF6HXDAR

pith:2014:AF6HXDARDRH5GBBUIHHWIZ5I6Y

not attested not anchored not stored refs pending

On the Robin eigenvalues of the Laplacian in the exterior of a convex polygon

Konstantin Pankrashkin

arxiv:1411.1956 v2 · 2014-11-07 · math.SP · 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{AF6HXDARDRH5GBBUIHHWIZ5I6Y}

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	2026-05-18T02:26:46.813768Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

017c7b8c111c4fd3043441cf6467a8f62831d558d9e87ca5aabe019c29944340

Aliases

arxiv: 1411.1956 · arxiv_version: 1411.1956v2 · doi: 10.48550/arxiv.1411.1956 · pith_short_12: AF6HXDARDRH5 · pith_short_16: AF6HXDARDRH5GBBU · pith_short_8: AF6HXDAR

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/AF6HXDARDRH5GBBUIHHWIZ5I6Y \
  | 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: 017c7b8c111c4fd3043441cf6467a8f62831d558d9e87ca5aabe019c29944340

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf502a448e69d1feb6a0bb9382edeca9d6beca030d22878a74a1bb4a97bf69e4",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2014-11-07T15:49:05Z",
    "title_canon_sha256": "7f5796171b6529a095e14d01f91bc42f1f7ba2c4e546141ea186a4f4fb0f9352"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.1956",
    "kind": "arxiv",
    "version": 2
  }
}