Pith Number

pith:WAFFMAFU

pith:2025:WAFFMAFUL7OCXHBGGJEQIJBLN4

not attested not anchored not stored refs pending

Hyper-spectral Unmixing algorithms for remote compositional surface mapping: a review of the state of the art

Alessandra Menafoglio, Alfredo Gimenez Zapiola, Andrea Boselli, Simone Vantini

arxiv:2507.14260 v1 · 2025-07-18 · astro-ph.IM · astro-ph.EP · 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{WAFFMAFUL7OCXHBGGJEQIJBLN4}

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	2026-07-05T11:40:02.927117Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b00a5600b45fdc2b9c26324904242b6f15d6fe06733a4248cce207f50a53579c

Aliases

arxiv: 2507.14260 · arxiv_version: 2507.14260v1 · doi: 10.48550/arxiv.2507.14260 · pith_short_12: WAFFMAFUL7OC · pith_short_16: WAFFMAFUL7OCXHBG · pith_short_8: WAFFMAFU

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/WAFFMAFUL7OCXHBGGJEQIJBLN4 \
  | 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: b00a5600b45fdc2b9c26324904242b6f15d6fe06733a4248cce207f50a53579c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d1b23d069d200fbb736b05527a90554f73a3472998c76f47c7fac7e96e035b8",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2025-07-18T12:46:40Z",
    "title_canon_sha256": "1fd914bcc68dfb8e459c017f62a2c53d4d5832e8beb00abd82a66282f760892a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.14260",
    "kind": "arxiv",
    "version": 1
  }
}