Pith Number

pith:MFOR4NMN

pith:2021:MFOR4NMNPKBAU5XI7HIVEHHUN6

not attested not anchored not stored refs pending

Using Low-rank Representation of Abundance Maps and Nonnegative Tensor Factorization for Hyperspectral Nonlinear Unmixing

Bing Zhang, Haoyang Yu, Jocelyn Chanussot, Lianru Gao, Lina Zhuang, Zhicheng Wang

arxiv:2103.16204 v1 · 2021-03-30 · cs.CV · eess.IV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MFOR4NMNPKBAU5XI7HIVEHHUN6}

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	2026-07-05T03:45:28.884557Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

615d1e358d7a820a76e8f9d1521cf46fbce1c63d9f3abb77ece449b82535f5ae

Aliases

arxiv: 2103.16204 · arxiv_version: 2103.16204v1 · doi: 10.48550/arxiv.2103.16204 · pith_short_12: MFOR4NMNPKBA · pith_short_16: MFOR4NMNPKBAU5XI · pith_short_8: MFOR4NMN

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/MFOR4NMNPKBAU5XI7HIVEHHUN6 \
  | 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: 615d1e358d7a820a76e8f9d1521cf46fbce1c63d9f3abb77ece449b82535f5ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed42edad6c8eddb3cb5b21c4184b2cb935c6d88b02cc8fc267a5f80b2a867344",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-03-30T09:37:25Z",
    "title_canon_sha256": "b98d6292076de3ca2e9c09bfe3ac6eeaeb3333deebe6a56d530c850b5504eedc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.16204",
    "kind": "arxiv",
    "version": 1
  }
}