Pith Number

pith:4FRS2LZ4

pith:2019:4FRS2LZ4QRWQLSO6W5NE3UYSHU

not attested not anchored not stored refs pending

Variational multiscale modeling with discretely divergence-free subscales

David Kamensky, John A. Evans, Yuri Bazilevs

arxiv:1911.02535 v1 · 2019-11-06 · 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{4FRS2LZ4QRWQLSO6W5NE3UYSHU}

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	2026-07-05T00:17:35.405002Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1632d2f3c846d05c9deb75a4dd3123d23bfc895051b0e85e46a590ed9e5e058

Aliases

arxiv: 1911.02535 · arxiv_version: 1911.02535v1 · doi: 10.48550/arxiv.1911.02535 · pith_short_12: 4FRS2LZ4QRWQ · pith_short_16: 4FRS2LZ4QRWQLSO6 · pith_short_8: 4FRS2LZ4

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/4FRS2LZ4QRWQLSO6W5NE3UYSHU \
  | 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: e1632d2f3c846d05c9deb75a4dd3123d23bfc895051b0e85e46a590ed9e5e058

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2e91c97b59e0ccf3a99282c8994a0e90ea4f54fac7ffcd50b5f83247023d2b0",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-11-06T18:16:58Z",
    "title_canon_sha256": "fc2ca0d40083efaaad188fe06308e260b5d23180320e7358a696cacba3e1ce3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.02535",
    "kind": "arxiv",
    "version": 1
  }
}