Pith Number

pith:HN7DDWCA

pith:2019:HN7DDWCARVSP4T2YFNMAEGXWIH

not attested not anchored not stored refs pending

Regularized Stokes Immersed Boundary Problems in Two Dimensions: Well-posedness, Singular Limit, and Error Estimates

Jiajun Tong

arxiv:1904.09528 v1 · 2019-04-21 · 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{HN7DDWCARVSP4T2YFNMAEGXWIH}

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	2026-05-17T23:48:03.985176Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b7e31d8408d64fe4f582b58021af641d1c41fb1c920f27419569b8263050296

Aliases

arxiv: 1904.09528 · arxiv_version: 1904.09528v1 · doi: 10.48550/arxiv.1904.09528 · pith_short_12: HN7DDWCARVSP · pith_short_16: HN7DDWCARVSP4T2Y · pith_short_8: HN7DDWCA

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/HN7DDWCARVSP4T2YFNMAEGXWIH \
  | 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: 3b7e31d8408d64fe4f582b58021af641d1c41fb1c920f27419569b8263050296

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61d9fa902eabff3b6fad569e75b8b71d652d9d8f4cbc643cc75843b5fcfa2149",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-04-21T02:10:05Z",
    "title_canon_sha256": "aea44ad8ef3db684cf4ee2f1ae960ee0ef77b2d0f93e8fb06b04487a3107c052"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.09528",
    "kind": "arxiv",
    "version": 1
  }
}