Pith Number

pith:LHZMJDEV

pith:2017:LHZMJDEV6UTBYDVO4DCVG2MI55

not attested not anchored not stored refs pending

Adaptive scattered data fitting by extension of local approximations to hierarchical splines

Alessandra Sestini, Carlotta Giannelli, Cesare Bracco

arxiv:1704.08507 v1 · 2017-04-27 · 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{LHZMJDEV6UTBYDVO4DCVG2MI55}

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	2026-05-18T00:45:27.518268Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

59f2c48c95f5261c0eaee0c5536988ef60d3e1e04ffebe59930a4855f9a054eb

Aliases

arxiv: 1704.08507 · arxiv_version: 1704.08507v1 · doi: 10.48550/arxiv.1704.08507 · pith_short_12: LHZMJDEV6UTB · pith_short_16: LHZMJDEV6UTBYDVO · pith_short_8: LHZMJDEV

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/LHZMJDEV6UTBYDVO4DCVG2MI55 \
  | 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: 59f2c48c95f5261c0eaee0c5536988ef60d3e1e04ffebe59930a4855f9a054eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dbb4ea2b89fae01e4b15f208af25c3ead22743a2ae9055a4e02813d9ae7bf985",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-04-27T11:10:53Z",
    "title_canon_sha256": "ae66073799e2d12b52f7d670ac89730e1d90d5c1e773ce76da0968f4863f40ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.08507",
    "kind": "arxiv",
    "version": 1
  }
}