Pith Number

pith:JZC3OGVS

pith:2018:JZC3OGVS3MG2N6HKYXI7X7LGJ7

not attested not anchored not stored refs pending

An application of numerical differentiation formulas to discontinuity curve detection from irregularly sampled data

Alessandra Sestini, Carlotta Giannelli, Cesare Bracco, Oleg Davydov

arxiv:1812.07399 v2 · 2018-12-18 · 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{JZC3OGVS3MG2N6HKYXI7X7LGJ7}

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	2026-05-17T23:46:09.274571Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e45b71ab2db0da6f8eac5d1fbfd664ff924ff9f53305e8830249840e5c64427

Aliases

arxiv: 1812.07399 · arxiv_version: 1812.07399v2 · doi: 10.48550/arxiv.1812.07399 · pith_short_12: JZC3OGVS3MG2 · pith_short_16: JZC3OGVS3MG2N6HK · pith_short_8: JZC3OGVS

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/JZC3OGVS3MG2N6HKYXI7X7LGJ7 \
  | 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: 4e45b71ab2db0da6f8eac5d1fbfd664ff924ff9f53305e8830249840e5c64427

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ba30f837a4f819e1413cad637798a27e3a32f79ee9de8abcede906c129fa341",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-12-18T14:47:59Z",
    "title_canon_sha256": "de83e768e5dad0c371cb8a572c243cd1c831e4f50ee5c69d4abd67bc3f651147"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.07399",
    "kind": "arxiv",
    "version": 2
  }
}