Pith Number

pith:A4PM2SGQ

pith:2007:A4PM2SGQRMJTPAXEL3OXTX3FUK

not attested not anchored not stored refs pending

Kernel matrix regression

Jean-Philippe Vert (CB), Yoshihiro Yamanishi (KEGG)

arxiv:q-bio/0702054 v1 · 2007-02-26 · q-bio.QM · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A4PM2SGQRMJTPAXEL3OXTX3FUK}

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	2026-05-18T04:08:35.119262Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

071ecd48d08b133782e45edd79df65a2b1bdf13b751c089c128c15dc5aef7736

Aliases

arxiv: q-bio/0702054 · arxiv_version: q-bio/0702054v1 · doi: 10.48550/arxiv.q-bio/0702054 · pith_short_12: A4PM2SGQRMJT · pith_short_16: A4PM2SGQRMJTPAXE · pith_short_8: A4PM2SGQ

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/A4PM2SGQRMJTPAXEL3OXTX3FUK \
  | 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: 071ecd48d08b133782e45edd79df65a2b1bdf13b751c089c128c15dc5aef7736

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20ab8ed42c971e5ddac3f9b04a6e562d4ebd527957a71590e840ea7aa67139e1",
    "cross_cats_sorted": [
      "math.ST",
      "stat.TH"
    ],
    "license": "",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2007-02-26T07:19:34Z",
    "title_canon_sha256": "bde459f797583db2bf58ab333c91bc4b0c082f395fa3368f082e7964e030fe11"
  },
  "schema_version": "1.0",
  "source": {
    "id": "q-bio/0702054",
    "kind": "arxiv",
    "version": 1
  }
}