Pith Number

pith:DG4T633T

pith:2013:DG4T633T6ZPE6DYYJEG26INREX

not attested not anchored not stored refs pending

Regularised PCA to denoise and visualise data

Fran\c{c}ois Husson, Julie Josse, Marie Verbanck

arxiv:1301.4649 v2 · 2013-01-20 · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DG4T633T6ZPE6DYYJEG26INREX}

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	2026-05-18T03:26:08.607750Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19b93f6f73f65e4f0f18490daf21b125f610ce117ba766ccf3b3930b4067deae

Aliases

arxiv: 1301.4649 · arxiv_version: 1301.4649v2 · doi: 10.48550/arxiv.1301.4649 · pith_short_12: DG4T633T6ZPE · pith_short_16: DG4T633T6ZPE6DYY · pith_short_8: DG4T633T

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/DG4T633T6ZPE6DYYJEG26INREX \
  | 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: 19b93f6f73f65e4f0f18490daf21b125f610ce117ba766ccf3b3930b4067deae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1431d0baaa6873610235c7dbf28fe187712589994620abeea2350397b4685994",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2013-01-20T10:49:48Z",
    "title_canon_sha256": "b3f0177d20948549717854d827470e35b3c1b58f6157efa4b6454988d29b4b36"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.4649",
    "kind": "arxiv",
    "version": 2
  }
}