Pith Number

pith:XU4DMGWC

pith:2016:XU4DMGWC4YLHGJPOQLQ5H4SE5P

not attested not anchored not stored refs pending

Customized training with an application to mass spectrometric imaging of cancer tissue

Robert Tibshirani, Scott Powers, Trevor Hastie

arxiv:1601.07994 v1 · 2016-01-29 · stat.AP · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XU4DMGWC4YLHGJPOQLQ5H4SE5P}

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	2026-05-18T01:21:41.315477Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd38361ac2e6167325ee82e1d3f244ebe684b7a91afd191de36b5952683452b0

Aliases

arxiv: 1601.07994 · arxiv_version: 1601.07994v1 · doi: 10.48550/arxiv.1601.07994 · pith_short_12: XU4DMGWC4YLH · pith_short_16: XU4DMGWC4YLHGJPO · pith_short_8: XU4DMGWC

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/XU4DMGWC4YLHGJPOQLQ5H4SE5P \
  | 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: bd38361ac2e6167325ee82e1d3f244ebe684b7a91afd191de36b5952683452b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea9eadcaf5b0a45671b8ea80e6804bd08aa84f7d1acae97cca8d239f0df798d1",
    "cross_cats_sorted": [
      "q-bio.QM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2016-01-29T07:55:27Z",
    "title_canon_sha256": "6bd12cfc1aa86973ed2cb033aaf5981dd74365e1772d9ed5c2b0e1ac6c060d6e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.07994",
    "kind": "arxiv",
    "version": 1
  }
}