Pith Number

pith:M7N5YILI

pith:2016:M7N5YILIC4AKTVTUOECQKPIZN4

not attested not anchored not stored refs pending

Parameterized Principal Component Analysis

Adrian Barbu, Ajay Gupta

arxiv:1608.04695 v2 · 2016-08-16 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M7N5YILIC4AKTVTUOECQKPIZN4}

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	2026-05-18T00:24:31.737639Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67dbdc21681700a9d6747105053d196f2f969b644203a6b725323e05926aa351

Aliases

arxiv: 1608.04695 · arxiv_version: 1608.04695v2 · doi: 10.48550/arxiv.1608.04695 · pith_short_12: M7N5YILIC4AK · pith_short_16: M7N5YILIC4AKTVTU · pith_short_8: M7N5YILI

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/M7N5YILIC4AKTVTUOECQKPIZN4 \
  | 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: 67dbdc21681700a9d6747105053d196f2f969b644203a6b725323e05926aa351

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc74bb22206fea710b1955e277636d97fe3b2daa6001636d1a463b32559a34c6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-08-16T18:23:13Z",
    "title_canon_sha256": "bceae8d90a10516535faa64c0e38009e1c7f41270f8c5c4ac88cebb2b8dfc6a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.04695",
    "kind": "arxiv",
    "version": 2
  }
}