Pith Number

pith:FMBMJJDM

pith:2012:FMBMJJDMHOJSFVJ4Q2KM5HIPBG

not attested not anchored not stored refs pending

Inverse problem for the Riemannian wave equation with Dirichlet data and Neumann data on disjoint sets

Lauri Oksanen, Matti Lassas

arxiv:1208.2105 v1 · 2012-08-10 · 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{FMBMJJDMHOJSFVJ4Q2KM5HIPBG}

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	2026-05-18T02:29:32.582256Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b02c4a46c3b9322d53c8694ce9d0f09ba5944eec8ed790a441fe3ee6a2cadd0

Aliases

arxiv: 1208.2105 · arxiv_version: 1208.2105v1 · doi: 10.48550/arxiv.1208.2105 · pith_short_12: FMBMJJDMHOJS · pith_short_16: FMBMJJDMHOJSFVJ4 · pith_short_8: FMBMJJDM

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/FMBMJJDMHOJSFVJ4Q2KM5HIPBG \
  | 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: 2b02c4a46c3b9322d53c8694ce9d0f09ba5944eec8ed790a441fe3ee6a2cadd0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47808c8a1b6e2d9960c7258016eb8f906437b376cceb02ed825b310804c39ed0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2012-08-10T07:39:11Z",
    "title_canon_sha256": "6d80b26f7df4bb36e648aac2d5991142280817f5f5b7b825589c112d8995a215"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.2105",
    "kind": "arxiv",
    "version": 1
  }
}