Pith Number

pith:GDCCDKZE

pith:2016:GDCCDKZE2UHWY3IJ42QRMC4B2T

not attested not anchored not stored refs pending

Principal Polynomial Analysis

Devis Tuia, Gustau Camps-Valls, Jes\'us Malo, Sandra Jim\'enez, Valero Laparra

arxiv:1602.00221 v1 · 2016-01-31 · 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{GDCCDKZE2UHWY3IJ42QRMC4B2T}

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	2026-05-18T01:21:35.997960Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30c421ab24d50f6c6d09e6a1160b81d4f663263e8a2f8d9f3a5d2fccb9a61920

Aliases

arxiv: 1602.00221 · arxiv_version: 1602.00221v1 · doi: 10.48550/arxiv.1602.00221 · pith_short_12: GDCCDKZE2UHW · pith_short_16: GDCCDKZE2UHWY3IJ · pith_short_8: GDCCDKZE

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/GDCCDKZE2UHWY3IJ42QRMC4B2T \
  | 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: 30c421ab24d50f6c6d09e6a1160b81d4f663263e8a2f8d9f3a5d2fccb9a61920

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4ae131744b2227d1906ed376d90148c1860a2f4dfd786b0da865e720b644123",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2016-01-31T10:46:44Z",
    "title_canon_sha256": "603f927bc799337f58701deb2b6abf997f94153ebf6b1020a5545766daa72b86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.00221",
    "kind": "arxiv",
    "version": 1
  }
}