Pith Number

pith:TXPBNOLK

pith:2025:TXPBNOLKCEBCPBDUXWQEWX7ZZ2

not attested not anchored not stored refs pending

SpecBPP: A Self-Supervised Learning Approach for Hyperspectral Representation and Soil Organic Carbon Estimation

Belen Marti-Cardona, Daniel La'ah Ayuba, Jean-Yves Guillemaut, Oscar Mendez Maldonado

arxiv:2507.19781 v1 · 2025-07-26 · 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{TXPBNOLKCEBCPBDUXWQEWX7ZZ2}

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	2026-07-05T11:43:41.856604Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9dde16b96a1102278474bda04b5ff9ce9365b2e6b506c610ea7a2f5610c1ed1b

Aliases

arxiv: 2507.19781 · arxiv_version: 2507.19781v1 · doi: 10.48550/arxiv.2507.19781 · pith_short_12: TXPBNOLKCEBC · pith_short_16: TXPBNOLKCEBCPBDU · pith_short_8: TXPBNOLK

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/TXPBNOLKCEBCPBDUXWQEWX7ZZ2 \
  | 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: 9dde16b96a1102278474bda04b5ff9ce9365b2e6b506c610ea7a2f5610c1ed1b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e007ee5c7814eb178376cb4140158e4227c8d4ca168466bc16b21bd155b7bce",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2025-07-26T04:11:43Z",
    "title_canon_sha256": "40e99409f4141737c2a2bf838d708086932cc703b655d8ec7b7f356f73c5b11b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.19781",
    "kind": "arxiv",
    "version": 1
  }
}