Pith Number

pith:CO3SRH7B

pith:2024:CO3SRH7B2OC3UT5XAI7AI45L7R

not attested not anchored not stored refs pending

Representing Piecewise-Linear Functions by Functions with Minimal Arity

Anton Ponomarchuk, Christoph Koutschan, Josef Schicho

arxiv:2406.02421 v2 · 2024-06-04 · cs.DM · cs.LG · cs.SC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CO3SRH7B2OC3UT5XAI7AI45L7R}

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	2026-06-19T16:12:12.648724Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13b7289fe1d385ba4fb7023e0473abfc4145ab2130147889d02a5bb12137b5ea

Aliases

arxiv: 2406.02421 · arxiv_version: 2406.02421v2 · doi: 10.48550/arxiv.2406.02421 · pith_short_12: CO3SRH7B2OC3 · pith_short_16: CO3SRH7B2OC3UT5X · pith_short_8: CO3SRH7B

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/CO3SRH7B2OC3UT5XAI7AI45L7R \
  | 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: 13b7289fe1d385ba4fb7023e0473abfc4145ab2130147889d02a5bb12137b5ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c77957319e4ab8705150ff2929e8d7ac4db0b2e427d6d0b98cdeaa714dccfd06",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.SC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2024-06-04T15:39:08Z",
    "title_canon_sha256": "1538e1a0a7ca4c33ad13875cd8825f54e3edd666dcca4cd834e1fcd20985f00e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2406.02421",
    "kind": "arxiv",
    "version": 2
  }
}