Pith Number

pith:S2THEEBD

pith:2016:S2THEEBDMTVMCTGLOFRANMP3HG

not attested not anchored not stored refs pending

A new Heterogeneous Multiscale Method for the Helmholtz equation with high contrast

Barbara Verf\"urth, Mario Ohlberger

arxiv:1605.03400 v2 · 2016-05-11 · 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{S2THEEBDMTVMCTGLOFRANMP3HG}

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	2026-05-18T00:54:36.596612Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96a672102364eac14ccb716206b1fb39921d71253a3d7ad7c49b94ebd1468d75

Aliases

arxiv: 1605.03400 · arxiv_version: 1605.03400v2 · doi: 10.48550/arxiv.1605.03400 · pith_short_12: S2THEEBDMTVM · pith_short_16: S2THEEBDMTVMCTGL · pith_short_8: S2THEEBD

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/S2THEEBDMTVMCTGLOFRANMP3HG \
  | 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: 96a672102364eac14ccb716206b1fb39921d71253a3d7ad7c49b94ebd1468d75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db4d0a4d9dd26f34d4b5f8e6b5cabd50441d5e98d2befa7a8414dd8e5f3171f8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-05-11T12:28:48Z",
    "title_canon_sha256": "7e10aab3f5be0c924e018e2ce65aaa49a0b6ee3ec9bcbeb56ff7202055b813dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.03400",
    "kind": "arxiv",
    "version": 2
  }
}