Pith Number

pith:32GRKUGY

pith:2014:32GRKUGYO6IULVJUV5O4ULLZ67

not attested not anchored not stored refs pending

Spectral Unmixing of Hyperspectral Imagery using Multilayer NMF

Hassan Ghassemian, Roozbeh Rajabi

arxiv:1408.2810 v1 · 2014-08-12 · 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{32GRKUGYO6IULVJUV5O4ULLZ67}

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	2026-05-18T02:45:21.833228Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de8d1550d8779145d534af5dca2d79f7f5e7490d8e11b6b9c73aeb42b168094b

Aliases

arxiv: 1408.2810 · arxiv_version: 1408.2810v1 · doi: 10.48550/arxiv.1408.2810 · pith_short_12: 32GRKUGYO6IU · pith_short_16: 32GRKUGYO6IULVJU · pith_short_8: 32GRKUGY

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/32GRKUGYO6IULVJUV5O4ULLZ67 \
  | 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: de8d1550d8779145d534af5dca2d79f7f5e7490d8e11b6b9c73aeb42b168094b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f87803d908f86dbbe19519b22f003f5f67237cd7b40929f6f3fcc92a5619e05",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2014-08-12T19:07:23Z",
    "title_canon_sha256": "4f9c9f854ffa4440825d11041fe249ad1b980e77fea84365734ea5ed4302dd2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.2810",
    "kind": "arxiv",
    "version": 1
  }
}