Pith Number

pith:7LUKFVFQ

pith:2021:7LUKFVFQ7LBESZGZ6DIPFX6RRT

not attested not anchored not stored refs pending

Enhanced fifth order WENO Shock-Capturing Schemes with Deep Learning

Matthias Ehrhardt, Michael G\"unther, Tatiana Kossaczk\'a

arxiv:2103.04988 v1 · 2021-03-06 · math.NA · cs.NA · physics.flu-dyn

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7LUKFVFQ7LBESZGZ6DIPFX6RRT}

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	2026-07-05T02:21:21.068228Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fae8a2d4b0fac24964d9f0d0f2dfd18ce236d89c40f2065c3c35bd910a2499f1

Aliases

arxiv: 2103.04988 · arxiv_version: 2103.04988v1 · doi: 10.48550/arxiv.2103.04988 · pith_short_12: 7LUKFVFQ7LBE · pith_short_16: 7LUKFVFQ7LBESZGZ · pith_short_8: 7LUKFVFQ

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/7LUKFVFQ7LBESZGZ6DIPFX6RRT \
  | 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: fae8a2d4b0fac24964d9f0d0f2dfd18ce236d89c40f2065c3c35bd910a2499f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60358506cbd6fc6af98194332e49db4efd890b362f1db77d550baca4c7ac2b83",
    "cross_cats_sorted": [
      "cs.NA",
      "physics.flu-dyn"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2021-03-06T11:39:27Z",
    "title_canon_sha256": "e8fb92727aba0a1f5bee5747b1d037ebfa173599aba72c017d1c3e9e0d9ec1ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.04988",
    "kind": "arxiv",
    "version": 1
  }
}