Pith Number

pith:2R4F6NOA

pith:2017:2R4F6NOAQNRSSLZZS2ECNAOYVK

not attested not anchored not stored refs pending

Robust polynomial regression up to the information theoretic limit

Daniel Kane, Eric Price, Sushrut Karmalkar

arxiv:1708.03257 v1 · 2017-08-10 · cs.DS · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2R4F6NOAQNRSSLZZS2ECNAOYVK}

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	2026-05-18T00:38:14.327964Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4785f35c08363292f3996882681d8aaab9ba493e5a9c6265b953476c4600e77

Aliases

arxiv: 1708.03257 · arxiv_version: 1708.03257v1 · doi: 10.48550/arxiv.1708.03257 · pith_short_12: 2R4F6NOAQNRS · pith_short_16: 2R4F6NOAQNRSSLZZ · pith_short_8: 2R4F6NOA

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/2R4F6NOAQNRSSLZZS2ECNAOYVK \
  | 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: d4785f35c08363292f3996882681d8aaab9ba493e5a9c6265b953476c4600e77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e2b0c4a9616d98dfaf26d191020713263a0db930c7c235bf1245a20bde8ddaf",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-08-10T15:31:02Z",
    "title_canon_sha256": "dae1c5079ec7146277b8bffc101712d7082d915e62552afb55dde9a72a23b1f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.03257",
    "kind": "arxiv",
    "version": 1
  }
}