Pith Number

pith:SCAMQTVW

pith:2022:SCAMQTVWNZEFIIVJSJD4762COT

not attested not anchored not stored refs pending

Stable Parametrization of Continuous and Piecewise-Linear Functions

Alexis Goujon, Joaquim Campos, Michael Unser

arxiv:2203.05261 v1 · 2022-03-10 · 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{SCAMQTVWNZEFIIVJSJD4762COT}

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	2026-07-05T04:03:40.238578Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9080c84eb66e485422a99247cffb4274cb7d42b317659b0f387b36e48377e9de

Aliases

arxiv: 2203.05261 · arxiv_version: 2203.05261v1 · doi: 10.48550/arxiv.2203.05261 · pith_short_12: SCAMQTVWNZEF · pith_short_16: SCAMQTVWNZEFIIVJ · pith_short_8: SCAMQTVW

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/SCAMQTVWNZEFIIVJSJD4762COT \
  | 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: 9080c84eb66e485422a99247cffb4274cb7d42b317659b0f387b36e48377e9de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e73dd101da2d891f1408277777234b4d047a052de0e29825e4efd9bfe15389ec",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2022-03-10T09:47:03Z",
    "title_canon_sha256": "34e529161a9e6e36fa8ba8bb19ba511a9a9b891d48482a517c644ba2205e8e80"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.05261",
    "kind": "arxiv",
    "version": 1
  }
}