Pith Number

pith:ELERMWIS

pith:2026:ELERMWISBJPNW5PTSTZXNUEUMJ

not attested not anchored not stored refs pending

A regularization method for planar offset curves and bi-offset recognition

Rosanna Campagna, Salvatore Mondrone, Tomas Sauer

arxiv:2605.18096 v1 · 2026-05-18 · math.NA · cs.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{ELERMWISBJPNW5PTSTZXNUEUMJ}

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	2026-05-20T00:05:15.715663Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22c91659120a5edb75f394f376d09462600066ad4e2318d2080b404e3dbc1615

Aliases

arxiv: 2605.18096 · arxiv_version: 2605.18096v1 · doi: 10.48550/arxiv.2605.18096 · pith_short_12: ELERMWISBJPN · pith_short_16: ELERMWISBJPNW5PT · pith_short_8: ELERMWIS

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/ELERMWISBJPNW5PTSTZXNUEUMJ \
  | 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: 22c91659120a5edb75f394f376d09462600066ad4e2318d2080b404e3dbc1615

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0fcb0923f8535cce8c4aaafc067af103fc3a83274185c8a527244624b7bda02a",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-05-18T09:11:29Z",
    "title_canon_sha256": "5ab9bb26d4a0760585c6ab19e1a4b4b334d6fa275e68de19f25d05df7fb2c128"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.18096",
    "kind": "arxiv",
    "version": 1
  }
}