Pith Number

pith:E2YCN3MX

pith:2019:E2YCN3MXLBOAAP55QEXEBDVDXI

not attested not anchored not stored refs pending

Hyperspectral Calibration of Art: Acquisition and Calibration Workflows

Jon Y Hardeberg, Ruven Pillay, Sony George

arxiv:1903.04651 v1 · 2019-03-11 · eess.IV · cs.OH

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E2YCN3MXLBOAAP55QEXEBDVDXI}

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	2026-05-17T23:51:29.041710Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26b026ed97585c003fbd812e408ea3ba083712fedefc8750ea9df791bee4499a

Aliases

arxiv: 1903.04651 · arxiv_version: 1903.04651v1 · doi: 10.48550/arxiv.1903.04651 · pith_short_12: E2YCN3MXLBOA · pith_short_16: E2YCN3MXLBOAAP55 · pith_short_8: E2YCN3MX

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/E2YCN3MXLBOAAP55QEXEBDVDXI \
  | 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: 26b026ed97585c003fbd812e408ea3ba083712fedefc8750ea9df791bee4499a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b9223a26926e7ca167bfa1028b33d7f0845aba37aa7f68c375ac0c8c7647ca8",
    "cross_cats_sorted": [
      "cs.OH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2019-03-11T23:23:45Z",
    "title_canon_sha256": "837d62711776b3dc3adeea4ee56fdf8db8243315fd69c1f895899641e286ce6c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.04651",
    "kind": "arxiv",
    "version": 1
  }
}