Pith Number

pith:WJ7QFCIO

pith:2015:WJ7QFCIOHDZ6BTENQA2YQLB4W4

not attested not anchored not stored refs pending

A comparative study on low-memory iterative solvers for FFT-based homogenization of periodic media

Jan Zeman, Jaroslav Vond\v{r}ejc, Nachiketa Mishra

arxiv:1508.02045 v2 · 2015-08-09 · physics.comp-ph · cond-mat.mtrl-sci · 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{WJ7QFCIOHDZ6BTENQA2YQLB4W4}

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	2026-05-18T01:13:04.994121Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b27f02890e38f3e0cc8d8035882c3cb7317648616be4f274fad1b5770f632e2f

Aliases

arxiv: 1508.02045 · arxiv_version: 1508.02045v2 · doi: 10.48550/arxiv.1508.02045 · pith_short_12: WJ7QFCIOHDZ6 · pith_short_16: WJ7QFCIOHDZ6BTEN · pith_short_8: WJ7QFCIO

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/WJ7QFCIOHDZ6BTENQA2YQLB4W4 \
  | 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: b27f02890e38f3e0cc8d8035882c3cb7317648616be4f274fad1b5770f632e2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a83960e33f8d0ba1582107caa010a936f383fed2d9a36f2a60aaee8c5814a2b4",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2015-08-09T16:14:40Z",
    "title_canon_sha256": "8cd9693acedb91719c012c00eff406aa0a3f18384d8b9842c8742ceb30dd8c37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.02045",
    "kind": "arxiv",
    "version": 2
  }
}