Pith Number

pith:IOHY7POT

pith:2024:IOHY7POT2WJDZ3U4SQASPYZPHQ

not attested not anchored not stored refs pending

Hyperspectral unmixing for Raman spectroscopy via physics-constrained autoencoders

\'Alvaro Fern\'andez-Galiana, Dimitar Georgiev, Georgios Papadopoulos, Mauricio Barahona, Molly M. Stevens, Ruoxiao Xie, Simon Vilms Pedersen

arxiv:2403.04526 v1 · 2024-03-07 · cs.LG · cs.AI · 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{IOHY7POT2WJDZ3U4SQASPYZPHQ}

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	2026-07-05T09:28:29.738543Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

438f8fbdd3d5923cee9c940127e32f3c080d8b694803cfca7d80be5e6e2d1470

Aliases

arxiv: 2403.04526 · arxiv_version: 2403.04526v1 · doi: 10.48550/arxiv.2403.04526 · pith_short_12: IOHY7POT2WJD · pith_short_16: IOHY7POT2WJDZ3U4 · pith_short_8: IOHY7POT

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/IOHY7POT2WJDZ3U4SQASPYZPHQ \
  | 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: 438f8fbdd3d5923cee9c940127e32f3c080d8b694803cfca7d80be5e6e2d1470

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "429d63cc249dd4480e42488218a0d2defa7998ce2ca4bc384d2b730e7c1ffeee",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2024-03-07T14:27:08Z",
    "title_canon_sha256": "4c5eb89818fb5ffdc09ea560e003276642129f5df3216f745e278ea16831ef8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2403.04526",
    "kind": "arxiv",
    "version": 1
  }
}