Pith Number

pith:XBEK4KHD

pith:2026:XBEK4KHDB73TJFDZ2SADYKJAKG

not attested not anchored not stored refs pending

Unregistered Spectral Image Fusion: Unmixing, Adversarial Learning, and Recoverability

Jiahui Song, Sagar Shrestha, Xiao Fu

arxiv:2603.21510 v3 · 2026-03-23 · eess.IV · 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{XBEK4KHDB73TJFDZ2SADYKJAKG}

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	2026-06-08T01:05:10.186049Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b848ae28e30ff7349479d4803c292051818eebee2f83b448d6816fa6292fded8

Aliases

arxiv: 2603.21510 · arxiv_version: 2603.21510v3 · doi: 10.48550/arxiv.2603.21510 · pith_short_12: XBEK4KHDB73T · pith_short_16: XBEK4KHDB73TJFDZ · pith_short_8: XBEK4KHD

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/XBEK4KHDB73TJFDZ2SADYKJAKG \
  | 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: b848ae28e30ff7349479d4803c292051818eebee2f83b448d6816fa6292fded8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37cae5fc2d22675ed17a6390592c76f725b1cd9f7abdde699a7ff4736e3f2bc5",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2026-03-23T02:55:16Z",
    "title_canon_sha256": "64354ee92676705f8936ba76fcc5fcc55d5eeaaaf4954b9493e641094f3c911d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.21510",
    "kind": "arxiv",
    "version": 3
  }
}