Pith Number

pith:TH47O4Q4

pith:2015:TH47O4Q4L7CHK7ANA3TIG3672H

not attested not anchored not stored refs pending

Stable Multiscale Petrov-Galerkin Finite Element Method for High Frequency Acoustic Scattering

Daniel Peterseim, Dietmar Gallistl

arxiv:1503.04948 v4 · 2015-03-17 · math.NA · cs.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{TH47O4Q4L7CHK7ANA3TIG3672H}

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	2026-06-04T17:09:06.100505Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

99f9f7721c5fc4757c0d06e6836fdfd1ddc19e936d69c2a8194d9818c3ddee71

Aliases

arxiv: 1503.04948 · arxiv_version: 1503.04948v4 · doi: 10.48550/arxiv.1503.04948 · pith_short_12: TH47O4Q4L7CH · pith_short_16: TH47O4Q4L7CHK7AN · pith_short_8: TH47O4Q4

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/TH47O4Q4L7CHK7ANA3TIG3672H \
  | 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: 99f9f7721c5fc4757c0d06e6836fdfd1ddc19e936d69c2a8194d9818c3ddee71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f12c58e11a1240bc66b8ac302829821138adcc73ab494c128bf84fa1a8c39c6",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-03-17T08:31:54Z",
    "title_canon_sha256": "1080a2473e0e568e423c179cdbf81d6c0d943c66551f0d037f09e03c98d44401"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.04948",
    "kind": "arxiv",
    "version": 4
  }
}