Pith Number

pith:7QQ5PHCW

pith:2021:7QQ5PHCWBDRWFPMXG6HO2ZYF4Q

not attested not anchored not stored refs pending

Improving Autoencoder Training Performance for Hyperspectral Unmixing with Network Reinitialisation

Bartosz Grabowski, Kamil Ksi\k{a}\.zek, Kriszti\'an B\'uza, Micha{\l} Cholewa, Micha{\l} Romaszewski, Przemys{\l}aw G{\l}omb

arxiv:2109.13748 v3 · 2021-09-28 · eess.IV · cs.CV · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7QQ5PHCWBDRWFPMXG6HO2ZYF4Q}

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	2026-07-05T04:13:43.299261Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc21d79c5608e362bd97378eed6705e42f1cc087c27f50f325bfe1252d107c4b

Aliases

arxiv: 2109.13748 · arxiv_version: 2109.13748v3 · doi: 10.48550/arxiv.2109.13748 · pith_short_12: 7QQ5PHCWBDRW · pith_short_16: 7QQ5PHCWBDRWFPMX · pith_short_8: 7QQ5PHCW

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/7QQ5PHCWBDRWFPMXG6HO2ZYF4Q \
  | 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: fc21d79c5608e362bd97378eed6705e42f1cc087c27f50f325bfe1252d107c4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3044a02f0b1367c2ed051917c0a7baf19df0c77e7e0913e490b09a0283e159f0",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2021-09-28T14:07:24Z",
    "title_canon_sha256": "76d88def6a8616164fed84681f2d3bb6702c7e03173d09a874f0f815f3ddb8c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.13748",
    "kind": "arxiv",
    "version": 3
  }
}