Pith Number

pith:5H4JQQ7C

pith:2026:5H4JQQ7C2W3ED6DQDILEJXXQTS

not attested not anchored not stored refs pending

SpectralEarth-FM: Bringing Hyperspectral Imagery into Multimodal Earth Observation Pretraining

Aaron Banze, Conrad M. Albrecht, Jocelyn Chanussot, Julien Mairal, Nassim Ait Ali Braham, Xiao Xiang Zhu

arxiv:2605.21075 v1 · 2026-05-20 · 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{5H4JQQ7C2W3ED6DQDILEJXXQTS}

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	2026-05-21T01:05:35.413003Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9f89843e2d5b641f8701a1644def09cb2a5984c3650611f25178e8a2cd8e561

Aliases

arxiv: 2605.21075 · arxiv_version: 2605.21075v1 · doi: 10.48550/arxiv.2605.21075 · pith_short_12: 5H4JQQ7C2W3E · pith_short_16: 5H4JQQ7C2W3ED6DQ · pith_short_8: 5H4JQQ7C

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/5H4JQQ7C2W3ED6DQDILEJXXQTS \
  | 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: e9f89843e2d5b641f8701a1644def09cb2a5984c3650611f25178e8a2cd8e561

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50d02c064178179e07fb8c3e4d7c0dd9788a24455ed7ae9a000cb296e361855b",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-05-20T12:08:16Z",
    "title_canon_sha256": "6a3a7e8ec8d86b5073caa762dd36d759d42f50d669dd19e168514d53325de7d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.21075",
    "kind": "arxiv",
    "version": 1
  }
}