Pith Number

pith:ZV7XF4ED

pith:2019:ZV7XF4EDNAOKOTBXE2YHZXU4Q3

not attested not anchored not stored refs pending

Local Fourier analysis for mixed finite-element methods for the Stokes equations

Scott P. MacLachlan, Yunhui He

arxiv:1903.02704 v1 · 2019-03-07 · 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{ZV7XF4EDNAOKOTBXE2YHZXU4Q3}

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	2026-05-17T23:51:51.426610Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd7f72f083681ca74c3726b07cde9c86e230a6903aaee5a959da83403519d790

Aliases

arxiv: 1903.02704 · arxiv_version: 1903.02704v1 · doi: 10.48550/arxiv.1903.02704 · pith_short_12: ZV7XF4EDNAOK · pith_short_16: ZV7XF4EDNAOKOTBX · pith_short_8: ZV7XF4ED

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/ZV7XF4EDNAOKOTBXE2YHZXU4Q3 \
  | 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: cd7f72f083681ca74c3726b07cde9c86e230a6903aaee5a959da83403519d790

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f27b7a612885ca2fd8cbff23186b8caba8692348023cfce10272d5f71869be95",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-03-07T02:56:24Z",
    "title_canon_sha256": "a64a2e8f8880c01cdd8a0eedf20a474340ada43d482926fa95abaee561cfc123"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.02704",
    "kind": "arxiv",
    "version": 1
  }
}