Pith Number

pith:H4Z5PSUX

pith:2018:H4Z5PSUXYN57NPW3LJHVGUVU5D

not attested not anchored not stored refs pending

On convergence of Chorin's projection method to a Leray-Hopf weak solution

Hidesato Kuroki, Kohei Soga

arxiv:1809.04383 v2 · 2018-09-12 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H4Z5PSUXYN57NPW3LJHVGUVU5D}

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	2026-05-17T23:41:01.157408Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f33d7ca97c37bf6bedb5a4f5352b4e8d59fe281c276b5621446d89c61ea453c

Aliases

arxiv: 1809.04383 · arxiv_version: 1809.04383v2 · doi: 10.48550/arxiv.1809.04383 · pith_short_12: H4Z5PSUXYN57 · pith_short_16: H4Z5PSUXYN57NPW3 · pith_short_8: H4Z5PSUX

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/H4Z5PSUXYN57NPW3LJHVGUVU5D \
  | 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: 3f33d7ca97c37bf6bedb5a4f5352b4e8d59fe281c276b5621446d89c61ea453c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "954dbd27869ab2d7f84c71aac1bd70e31bb8a91af26eeab1a65e59ea097e7bff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-09-12T12:34:44Z",
    "title_canon_sha256": "0f34dc2d4632a1c891885d96ed4723ec976c9c5833cd4f6a557d856c3f9d078d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.04383",
    "kind": "arxiv",
    "version": 2
  }
}