Pith Number

pith:UE6RUIPS

pith:2019:UE6RUIPSVE6E7PO34LCFTDEYZZ

not attested not anchored not stored refs pending

Homogenization of Stokes equations in perforated domains: a unified approach

Yong Lu

arxiv:1908.08259 v2 · 2019-08-22 · 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{UE6RUIPSVE6E7PO34LCFTDEYZZ}

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	2026-07-05T00:18:39.684735Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a13d1a21f2a93c4fbddbe2c4598c98ce636468a72da5a23e187f9efc57134967

Aliases

arxiv: 1908.08259 · arxiv_version: 1908.08259v2 · doi: 10.48550/arxiv.1908.08259 · pith_short_12: UE6RUIPSVE6E · pith_short_16: UE6RUIPSVE6E7PO3 · pith_short_8: UE6RUIPS

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/UE6RUIPSVE6E7PO34LCFTDEYZZ \
  | 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: a13d1a21f2a93c4fbddbe2c4598c98ce636468a72da5a23e187f9efc57134967

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c942ee658a1a49e671662bed01dba23b9ead2352cd0198337ba03dc8c548bc5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-08-22T08:48:04Z",
    "title_canon_sha256": "ec22fcc27246068ac9ccb78535b9510c88d671e9a993df151381818eef6e44e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.08259",
    "kind": "arxiv",
    "version": 2
  }
}