Pith Number

pith:TEF5R7PD

pith:2011:TEF5R7PD3ZNYULZNJ2C3HXRDWR

not attested not anchored not stored refs pending

Estimates on Neumann eigenfunctions at the boundary, and the "Method of Particular Solutions" for computing them

A. H. Barnett, Andrew Hassell

arxiv:1107.2172 v1 · 2011-07-12 · math.SP · math.AP · math.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TEF5R7PD3ZNYULZNJ2C3HXRDWR}

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	2026-05-18T04:18:25.103342Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

990bd8fde3de5b8a2f2d4e85b3de23b47190e121484e2472a8f4fde329971b3e

Aliases

arxiv: 1107.2172 · arxiv_version: 1107.2172v1 · doi: 10.48550/arxiv.1107.2172 · pith_short_12: TEF5R7PD3ZNY · pith_short_16: TEF5R7PD3ZNYULZN · pith_short_8: TEF5R7PD

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/TEF5R7PD3ZNYULZNJ2C3HXRDWR \
  | 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: 990bd8fde3de5b8a2f2d4e85b3de23b47190e121484e2472a8f4fde329971b3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f5d6b083ca9721337ca5fba5350c041077d99ebb1c30701509b1bf497b1133f",
    "cross_cats_sorted": [
      "math.AP",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2011-07-12T00:31:28Z",
    "title_canon_sha256": "0bc1caf637e0bc52f364250463a1e8cdb2a5d4a835e844c749ef9f6cabcb0eb0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.2172",
    "kind": "arxiv",
    "version": 1
  }
}