Pith Number

pith:GU4RTILS

pith:2025:GU4RTILSCLO4J5S5PDSDFQ2KI6

not attested not anchored not stored refs pending

Sparse Polynomial Regression under Anomalous Data

Maryam Dehghani, Mohammad Reza Hesamzadeh, Roozbeh Abolpour

arxiv:2508.18199 v1 · 2025-08-25 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GU4RTILSCLO4J5S5PDSDFQ2KI6}

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	2026-07-05T11:58:55.333776Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

353919a17212ddc4f65d78e432c34a479478f5769c78bcb3bf845e3fafd42178

Aliases

arxiv: 2508.18199 · arxiv_version: 2508.18199v1 · doi: 10.48550/arxiv.2508.18199 · pith_short_12: GU4RTILSCLO4 · pith_short_16: GU4RTILSCLO4J5S5 · pith_short_8: GU4RTILS

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/GU4RTILSCLO4J5S5PDSDFQ2KI6 \
  | 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: 353919a17212ddc4f65d78e432c34a479478f5769c78bcb3bf845e3fafd42178

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36412bd47401e36c9290c84cdc2e4b45bde0fdff986e2032bf5990de45557f69",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2025-08-25T17:00:56Z",
    "title_canon_sha256": "9dfb8f889c05945933eeb0786df7236d8b167552fb70154f629aa67f7e22a8ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.18199",
    "kind": "arxiv",
    "version": 1
  }
}