Pith Number

pith:4OUECZEV

pith:2016:4OUECZEVTDSQT4R5QRXL2CDUWH

not attested not anchored not stored refs pending

Solve-Select-Scale: A Three Step Process For Sparse Signal Estimation

Mithun Das Gupta

arxiv:1605.04657 v1 · 2016-05-16 · cs.IT · cs.LG · math.IT · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4OUECZEVTDSQT4R5QRXL2CDUWH}

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	2026-05-18T01:14:46.608215Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3a841649598e509f23d846ebd0874b1d31dd6c0d67c370183c486ad7251c63e

Aliases

arxiv: 1605.04657 · arxiv_version: 1605.04657v1 · doi: 10.48550/arxiv.1605.04657 · pith_short_12: 4OUECZEVTDSQ · pith_short_16: 4OUECZEVTDSQT4R5 · pith_short_8: 4OUECZEV

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/4OUECZEVTDSQT4R5QRXL2CDUWH \
  | 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: e3a841649598e509f23d846ebd0874b1d31dd6c0d67c370183c486ad7251c63e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07148e788aecdb5a8721399ecff1591d07ad5a5f8e53802deaeb9a7b3ef21ca5",
    "cross_cats_sorted": [
      "cs.LG",
      "math.IT",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-05-16T06:10:44Z",
    "title_canon_sha256": "d47505181da2da3f67156537e99bc32b6c095c2eac981d61e5b13b20c2f36b5a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.04657",
    "kind": "arxiv",
    "version": 1
  }
}