Pith Number

pith:VBGZG23S

pith:2012:VBGZG23SAH45BILPKB7PRGUUL7

not attested not anchored not stored refs pending

Unmixing of Hyperspectral Data Using Robust Statistics-based NMF

Hassan Ghassemian, Roozbeh Rajabi

arxiv:1212.0888 v1 · 2012-12-04 · 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{VBGZG23SAH45BILPKB7PRGUUL7}

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	2026-05-18T03:39:07.046681Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a84d936b7201f9d0a16f507ef89a945fd1374381639044fea66e175a38be5455

Aliases

arxiv: 1212.0888 · arxiv_version: 1212.0888v1 · doi: 10.48550/arxiv.1212.0888 · pith_short_12: VBGZG23SAH45 · pith_short_16: VBGZG23SAH45BILP · pith_short_8: VBGZG23S

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/VBGZG23SAH45BILPKB7PRGUUL7 \
  | 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: a84d936b7201f9d0a16f507ef89a945fd1374381639044fea66e175a38be5455

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c000aaae867cb4e6d4f36636bb451117b797363b6cdd59e78e6a38f5ff732fff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2012-12-04T21:59:35Z",
    "title_canon_sha256": "5c1b27ad8348f29cfe95402d5a9b70604a403d893603aa40f966e0bbc896b394"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.0888",
    "kind": "arxiv",
    "version": 1
  }
}