Pith Number

pith:IYQ4BBUE

pith:2016:IYQ4BBUEFY7TCO4OW2N76J4LU3

not attested not anchored not stored refs pending

Spectral-Galerkin Approximation and Optimal Error Estimate for Stokes Eigenvalue Problems in Polar Geometries

Huiyuan Li, Jing An, Zhimin Zhang

arxiv:1610.08647 v1 · 2016-10-27 · 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{IYQ4BBUEFY7TCO4OW2N76J4LU3}

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	2026-05-18T01:01:07.620892Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4621c086842e3f313b8eb69bff278ba6f0bd9fc73bb81ffcd3f32b82e9e09ae3

Aliases

arxiv: 1610.08647 · arxiv_version: 1610.08647v1 · doi: 10.48550/arxiv.1610.08647 · pith_short_12: IYQ4BBUEFY7T · pith_short_16: IYQ4BBUEFY7TCO4O · pith_short_8: IYQ4BBUE

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/IYQ4BBUEFY7TCO4OW2N76J4LU3 \
  | 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: 4621c086842e3f313b8eb69bff278ba6f0bd9fc73bb81ffcd3f32b82e9e09ae3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8031506c59b5e55466964257899bbea2dc914f21a88abcc9a0e9e12e15cdecc0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-10-27T07:55:12Z",
    "title_canon_sha256": "bc72a3db3abc64fa82e2610b0a220a77d7b1fe5df44198a37efdc63a36cb2f09"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.08647",
    "kind": "arxiv",
    "version": 1
  }
}