Pith Number

pith:HIQPRH3Y

pith:2017:HIQPRH3YSHOZ7R72LKVTWZE3LE

not attested not anchored not stored refs pending

Unsupervised Clustering and Active Learning of Hyperspectral Images with Nonlinear Diffusion

James M. Murphy, Mauro Maggioni

arxiv:1704.07961 v5 · 2017-04-26 · 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{HIQPRH3YSHOZ7R72LKVTWZE3LE}

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	2026-05-18T00:03:19.746787Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a20f89f7891dd9fc7fa5aab3b649b591ff4f9d71be92ba68899c1dcab6548f1

Aliases

arxiv: 1704.07961 · arxiv_version: 1704.07961v5 · doi: 10.48550/arxiv.1704.07961 · pith_short_12: HIQPRH3YSHOZ · pith_short_16: HIQPRH3YSHOZ7R72 · pith_short_8: HIQPRH3Y

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/HIQPRH3YSHOZ7R72LKVTWZE3LE \
  | 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: 3a20f89f7891dd9fc7fa5aab3b649b591ff4f9d71be92ba68899c1dcab6548f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cce0b6c4db2bad6d3316d6b1ded0406a3fde565df92915a950738b4443cffd84",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-04-26T03:11:21Z",
    "title_canon_sha256": "5d788cb7a797115d79a10f5c6e147a315302c35808a0695c4af0dfd2d2e4d4da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.07961",
    "kind": "arxiv",
    "version": 5
  }
}