Pith Number

pith:WMLN3HQ3

pith:2014:WMLN3HQ3N6BU7RV2UCKZ7MGG5Y

not attested not anchored not stored refs pending

Stable determination of polyhedral interfaces from boundary data for the Helmholtz equation

Elena Beretta, Elisa Francini, Maarten V. de Hoop, Sergio Vessella

arxiv:1408.1569 v1 · 2014-08-07 · 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{WMLN3HQ3N6BU7RV2UCKZ7MGG5Y}

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	2026-05-18T02:45:40.176619Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b316dd9e1b6f834fc6baa0959fb0c6ee1ede6b0124c626e65207a72117794bd0

Aliases

arxiv: 1408.1569 · arxiv_version: 1408.1569v1 · doi: 10.48550/arxiv.1408.1569 · pith_short_12: WMLN3HQ3N6BU · pith_short_16: WMLN3HQ3N6BU7RV2 · pith_short_8: WMLN3HQ3

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/WMLN3HQ3N6BU7RV2UCKZ7MGG5Y \
  | 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: b316dd9e1b6f834fc6baa0959fb0c6ee1ede6b0124c626e65207a72117794bd0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9cdfa84be1fd43de8c103ba04f7db23ea5ce27edbac0c9ce59ac87a3f3646ee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2014-08-07T12:51:49Z",
    "title_canon_sha256": "da93d3ddf4c437c56ea69961dd979e23f0c55680012e3394e4e0fc1cac05d954"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.1569",
    "kind": "arxiv",
    "version": 1
  }
}