Pith Number

pith:H4245CPY

pith:2017:H4245CPYXEYMDJK5SXNNQQAHO2

not attested not anchored not stored refs pending

EndNet: Sparse AutoEncoder Network for Endmember Extraction and Hyperspectral Unmixing

Berk Kaya, Gozde Bozdagi Akar, Savas Ozkan

arxiv:1708.01894 v4 · 2017-08-06 · 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{H4245CPYXEYMDJK5SXNNQQAHO2}

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	2026-05-18T00:10:47.531110Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f35ce89f8b930c1a55d95dad8400776a3937f7492daeddc8129527fe237a895

Aliases

arxiv: 1708.01894 · arxiv_version: 1708.01894v4 · doi: 10.48550/arxiv.1708.01894 · pith_short_12: H4245CPYXEYM · pith_short_16: H4245CPYXEYMDJK5 · pith_short_8: H4245CPY

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/H4245CPYXEYMDJK5SXNNQQAHO2 \
  | 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: 3f35ce89f8b930c1a55d95dad8400776a3937f7492daeddc8129527fe237a895

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4bfa18133daec970a810ad7eaa8176fa64887c45562213dcac3ad53d3080e83",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-08-06T14:21:32Z",
    "title_canon_sha256": "0dcfffde0d5fc4aca4a740622acb825657cf002528e8219c8ac3639b5edc2a58"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.01894",
    "kind": "arxiv",
    "version": 4
  }
}