Pith Number

pith:U3NITFQ6

pith:2021:U3NITFQ6LOP5EESRSXS2WUNQA5

not attested not anchored not stored refs pending

Unsupervised Spectral Unmixing For Telluric Correction Using A Neural Network Autoencoder

Aaron Bello-Arufe, Alexander D. Rathcke, Lars A. Buchhave, Line K. H. Clemmensen, Rune D. Kj{\ae}rsgaard

arxiv:2111.09081 v1 · 2021-11-17 · astro-ph.IM · 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{U3NITFQ6LOP5EESRSXS2WUNQA5}

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	2026-07-05T03:32:57.174741Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6da89961e5b9fd2125195e5ab51b0074858f1e0ff884a080aa3af2cd0de3e9d

Aliases

arxiv: 2111.09081 · arxiv_version: 2111.09081v1 · doi: 10.48550/arxiv.2111.09081 · pith_short_12: U3NITFQ6LOP5 · pith_short_16: U3NITFQ6LOP5EESR · pith_short_8: U3NITFQ6

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/U3NITFQ6LOP5EESRSXS2WUNQA5 \
  | 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: a6da89961e5b9fd2125195e5ab51b0074858f1e0ff884a080aa3af2cd0de3e9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "356467455a831ba9666bb697adac63d9efa23be29b0d0ee2a4bf12aacab301bb",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-11-17T12:54:48Z",
    "title_canon_sha256": "d7bbc087a55019b4bf1f37548a7fa36779c407aee7390c70ea7c92de3d4a4b88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.09081",
    "kind": "arxiv",
    "version": 1
  }
}