Pith Number

pith:ERDEIHPL

pith:2011:ERDEIHPLOINN6FHNAJIJX527WY

not attested not anchored not stored refs pending

On the first eigenvalue of the Dirichlet-to-Neumann operator on forms

Alessandro Savo (MeMoMat), Simon Raulot (LMRS)

arxiv:1105.2711 v2 · 2011-05-13 · 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{ERDEIHPLOINN6FHNAJIJX527WY}

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	2026-05-18T02:51:06.796476Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2446441deb721adf14ed02509bf75fb601629a7e4c64f0976dab2254bd9837dd

Aliases

arxiv: 1105.2711 · arxiv_version: 1105.2711v2 · doi: 10.48550/arxiv.1105.2711 · pith_short_12: ERDEIHPLOINN · pith_short_16: ERDEIHPLOINN6FHN · pith_short_8: ERDEIHPL

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/ERDEIHPLOINN6FHNAJIJX527WY \
  | 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: 2446441deb721adf14ed02509bf75fb601629a7e4c64f0976dab2254bd9837dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba9aac09e9bb9f1f18edb497e19a5e08badea0fc4aa9ea2706bdad2af598fa57",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-05-13T12:41:26Z",
    "title_canon_sha256": "9d6cc734d8c4dd1839ee986e7cbe785440ab814d4621e8a9e4690eb5e7b6ea4d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.2711",
    "kind": "arxiv",
    "version": 2
  }
}