Pith Number

pith:HBPSBPNQ

pith:2017:HBPSBPNQQ6UXMWJWI5YI4ZLCPZ

not attested not anchored not stored refs pending

On Data-Driven Saak Transform

C.-C. Jay Kuo, Yueru Chen

arxiv:1710.04176 v2 · 2017-10-11 · 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{HBPSBPNQQ6UXMWJWI5YI4ZLCPZ}

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	2026-05-18T00:32:54.639476Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

385f20bdb087a976593647708e65627e4acf0bc4825202950de11a7d7142e383

Aliases

arxiv: 1710.04176 · arxiv_version: 1710.04176v2 · doi: 10.48550/arxiv.1710.04176 · pith_short_12: HBPSBPNQQ6UX · pith_short_16: HBPSBPNQQ6UXMWJW · pith_short_8: HBPSBPNQ

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/HBPSBPNQQ6UXMWJWI5YI4ZLCPZ \
  | 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: 385f20bdb087a976593647708e65627e4acf0bc4825202950de11a7d7142e383

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4b1dd511a501682f31d34062d044a48476eb397cfe6dcf90f748f4151ccc6ef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-10-11T17:08:28Z",
    "title_canon_sha256": "325d2cf71a9e68019c46af24c19b95ca0d3081efeb38b3c0ba50f95803605802"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.04176",
    "kind": "arxiv",
    "version": 2
  }
}