Pith Number

pith:D3UFLASX

pith:2014:D3UFLASXRRIVWTQTY5726UZT4J

not attested not anchored not stored refs pending

Structured Sparse Method for Hyperspectral Unmixing

Bin Fan, Chunhong Pan, Feiyun Zhu, Shiming Xiang, Ying Wang

arxiv:1403.4682 v1 · 2014-03-19 · cs.CV · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D3UFLASXRRIVWTQTY5726UZT4J}

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	2026-05-18T02:47:52.644242Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ee85582578c515b4e13c77faf5333e24cf0de7effd443d79cb7ae4cdc8ff672

Aliases

arxiv: 1403.4682 · arxiv_version: 1403.4682v1 · doi: 10.48550/arxiv.1403.4682 · pith_short_12: D3UFLASXRRIV · pith_short_16: D3UFLASXRRIVWTQT · pith_short_8: D3UFLASX

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/D3UFLASXRRIVWTQTY5726UZT4J \
  | 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: 1ee85582578c515b4e13c77faf5333e24cf0de7effd443d79cb7ae4cdc8ff672

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "991674d33091d886a9a4cbcb9b73a23fa366156ad1bf89bf3aa3e9e475afa2cf",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2014-03-19T03:23:30Z",
    "title_canon_sha256": "ee5e0ba338fa54802e41f6b6d3fb25b12d52a2c2bfcae8834bff01f5ea8dc716"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.4682",
    "kind": "arxiv",
    "version": 1
  }
}