Pith Number

pith:LNB3U6TI

pith:2015:LNB3U6TIZ4WU2KKYL3FC6YE26U

not attested not anchored not stored refs pending

A Fast Hyperplane-Based Minimum-Volume Enclosing Simplex Algorithm for Blind Hyperspectral Unmixing

Chia-Hsiang Lin, Chong-Yung Chi, Tsung-Han Chan, Yu-Hsiang Wang

arxiv:1510.08917 v1 · 2015-10-29 · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LNB3U6TIZ4WU2KKYL3FC6YE26U}

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	2026-05-18T01:16:47.704161Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b43ba7a68cf2d4d29585eca2f609af510874460eb6c84d0ed23ded08bd9f46e

Aliases

arxiv: 1510.08917 · arxiv_version: 1510.08917v1 · doi: 10.48550/arxiv.1510.08917 · pith_short_12: LNB3U6TIZ4WU · pith_short_16: LNB3U6TIZ4WU2KKY · pith_short_8: LNB3U6TI

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/LNB3U6TIZ4WU2KKYL3FC6YE26U \
  | 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: 5b43ba7a68cf2d4d29585eca2f609af510874460eb6c84d0ed23ded08bd9f46e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71b79a2fca74ff46033c62f07b5e6c2b9602ef2c0629ce7601ad09f1177773e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2015-10-29T21:41:26Z",
    "title_canon_sha256": "523da55fd7664ec1f793056212a7162140c30d3e5d149666331d1f89e64d2720"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.08917",
    "kind": "arxiv",
    "version": 1
  }
}