Pith Number

pith:THQNBLNS

pith:2015:THQNBLNSL3BSFXVPKV4SWWAMZH

not attested not anchored not stored refs pending

On a local Fourier analysis for overlapping block smoothers on triangular grids

Carmen Rodrigo, Francisco J. Gaspar, Francisco J. Lisbona

arxiv:1510.04341 v1 · 2015-10-14 · math.NA · 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{THQNBLNSL3BSFXVPKV4SWWAMZH}

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	2026-05-18T01:30:07.447040Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

99e0d0adb25ec322deaf55792b580cc9edd1e1c3a210f9cc8bfc0919bec6bce9

Aliases

arxiv: 1510.04341 · arxiv_version: 1510.04341v1 · doi: 10.48550/arxiv.1510.04341 · pith_short_12: THQNBLNSL3BS · pith_short_16: THQNBLNSL3BSFXVP · pith_short_8: THQNBLNS

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/THQNBLNSL3BSFXVPKV4SWWAMZH \
  | 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: 99e0d0adb25ec322deaf55792b580cc9edd1e1c3a210f9cc8bfc0919bec6bce9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15ad6815a60caa2f1276f8dbc9c5c42496b9c234b4220a07e08b94c65412ba8f",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-10-14T22:53:05Z",
    "title_canon_sha256": "5032dd8a7417942bbfd1157c0165e196cd9a8d53e17bca7adca96bc5368573bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.04341",
    "kind": "arxiv",
    "version": 1
  }
}