Pith Number

pith:CM2GILMY

pith:2017:CM2GILMYIBRXEEMVJDWPC3SEEH

not attested not anchored not stored refs pending

Low-rank and Sparse NMF for Joint Endmembers' Number Estimation and Blind Unmixing of Hyperspectral Images

Athanasios A. Rontogiannis, Konstantinos D. Koutroumbas, Paris V. Giampouras

arxiv:1703.05785 v1 · 2017-03-16 · cs.CV · 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{CM2GILMYIBRXEEMVJDWPC3SEEH}

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	2026-05-18T00:48:32.097640Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1334642d98406372119548ecf16e4421cccd0b8f50042cae13d0b50ce6586bf2

Aliases

arxiv: 1703.05785 · arxiv_version: 1703.05785v1 · doi: 10.48550/arxiv.1703.05785 · pith_short_12: CM2GILMYIBRX · pith_short_16: CM2GILMYIBRXEEMV · pith_short_8: CM2GILMY

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/CM2GILMYIBRXEEMVJDWPC3SEEH \
  | 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: 1334642d98406372119548ecf16e4421cccd0b8f50042cae13d0b50ce6586bf2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68a2d8dcf1b7b87244bb07f136f24bf219efb5dbb82a3ab057e367f26a9f112c",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-03-16T18:25:21Z",
    "title_canon_sha256": "13d6f7913697748e54486c9e0488f8a10cb423234e0f5432ce697d80dca99231"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.05785",
    "kind": "arxiv",
    "version": 1
  }
}