Pith Number

pith:YOED45D5

pith:2026:YOED45D5GTP4Z77JHQ2MEUTAGN

not attested not anchored not stored refs pending

Unmixing ATR-{\mu}FTIR spectroscopic images of cross-sections of historical oil paintings

Aleksandra Pizurica, Francisco Mederos-Henry, Nicolas Nadisic, Shivam Pande

arxiv:2603.06673 v2 · 2026-03-03 · 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{YOED45D5GTP4Z77JHQ2MEUTAGN}

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	2026-06-08T01:05:09.529882Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3883e747d34dfccffe93c34c25260335b4085de70792655f805ea6e26481fb0

Aliases

arxiv: 2603.06673 · arxiv_version: 2603.06673v2 · doi: 10.48550/arxiv.2603.06673 · pith_short_12: YOED45D5GTP4 · pith_short_16: YOED45D5GTP4Z77J · pith_short_8: YOED45D5

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/YOED45D5GTP4Z77JHQ2MEUTAGN \
  | 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: c3883e747d34dfccffe93c34c25260335b4085de70792655f805ea6e26481fb0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d7fd3c363e7903c78b3cef8b0ac61660200794ce1eb35bed0c13285babdbcb2",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-03-03T09:47:48Z",
    "title_canon_sha256": "b6da22897b7120589d2f0d492b19b7e3457855b92ec8aafd0f7486bbb443ee3d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.06673",
    "kind": "arxiv",
    "version": 2
  }
}