Pith Number

pith:JDY2TPBH

pith:2018:JDY2TPBHWD7MJZNG5JVFHW7KCT

not attested not anchored not stored refs pending

Penalty method with Crouzeix-Raviart approximation for the Stokes equations under slip boundary condition

Guanyu Zhou, Issei Oikawa, Takahito Kashiwabara

arxiv:1809.09464 v1 · 2018-09-25 · 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{JDY2TPBHWD7MJZNG5JVFHW7KCT}

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	2026-05-18T00:04:53.226917Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48f1a9bc27b0fec4e5a6ea6a53dbea14cf248c92766f2740799b62b112f8445d

Aliases

arxiv: 1809.09464 · arxiv_version: 1809.09464v1 · doi: 10.48550/arxiv.1809.09464 · pith_short_12: JDY2TPBHWD7M · pith_short_16: JDY2TPBHWD7MJZNG · pith_short_8: JDY2TPBH

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/JDY2TPBHWD7MJZNG5JVFHW7KCT \
  | 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: 48f1a9bc27b0fec4e5a6ea6a53dbea14cf248c92766f2740799b62b112f8445d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e04cee8575d67628c80849b4e2d2e05c154c6e2b8a81e77d8e05c7f86769ae1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-09-25T13:28:09Z",
    "title_canon_sha256": "0f26fe7eaddd50938676db6b27866529ca2e8d4e8d52e03eb8d9e268da455b87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.09464",
    "kind": "arxiv",
    "version": 1
  }
}