Pith Number

pith:3H7LAYJG

pith:2023:3H7LAYJGEHBIP4DN55NLY3NR52

not attested not anchored not stored refs pending

Reproducing Kernel Hilbert Space Pruning for Sparse Hyperspectral Abundance Prediction

Michael G. Rawson, Timothy Doster

arxiv:2308.08653 v2 · 2023-08-16 · cs.LG · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3H7LAYJGEHBIP4DN55NLY3NR52}

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	2026-07-05T06:58:42.005516Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9feb0612621c287f06def5abc6db1ee97b4e63b50d09977afc6ebbe8194c44c

Aliases

arxiv: 2308.08653 · arxiv_version: 2308.08653v2 · doi: 10.48550/arxiv.2308.08653 · pith_short_12: 3H7LAYJGEHBI · pith_short_16: 3H7LAYJGEHBIP4DN · pith_short_8: 3H7LAYJG

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/3H7LAYJGEHBIP4DN55NLY3NR52 \
  | 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: d9feb0612621c287f06def5abc6db1ee97b4e63b50d09977afc6ebbe8194c44c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4dc88e529bd2859dfe5f66070c62f101d5785e143fac5a5ca95056e546fdb9e",
    "cross_cats_sorted": [
      "eess.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2023-08-16T19:59:25Z",
    "title_canon_sha256": "3fdc49c8fac59d95524cdc7bf385bf2575ad7b7d271cfe08788aa55503101ff5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.08653",
    "kind": "arxiv",
    "version": 2
  }
}