Pith Number

pith:3HTX3DNB

pith:2017:3HTX3DNBKSUDJHDUUOGHPETSZO

not attested not anchored not stored refs pending

A sparse-grid isogeometric solver

Giancarlo Sangalli, Joakim Beck, Lorenzo Tamellini

arxiv:1707.09598 v5 · 2017-07-30 · 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{3HTX3DNBKSUDJHDUUOGHPETSZO}

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	2026-05-18T00:19:27.404815Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9e77d8da154a8349c74a38c779272cbba726b747b9f2fed7e3f20ff6a0d60f7

Aliases

arxiv: 1707.09598 · arxiv_version: 1707.09598v5 · doi: 10.48550/arxiv.1707.09598 · pith_short_12: 3HTX3DNBKSUD · pith_short_16: 3HTX3DNBKSUDJHDU · pith_short_8: 3HTX3DNB

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/3HTX3DNBKSUDJHDUUOGHPETSZO \
  | 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: d9e77d8da154a8349c74a38c779272cbba726b747b9f2fed7e3f20ff6a0d60f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ade1adc9c815378593cfc8913e19624a73a478c2810d51357a5cc82d662f58b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-07-30T09:14:56Z",
    "title_canon_sha256": "782c1c7529aa4def18a0a6c4ab5c18f869add879af517b0929f61ef1cfdfc922"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.09598",
    "kind": "arxiv",
    "version": 5
  }
}