Pith Number

pith:KKRYR7L7

pith:2021:KKRYR7L7UNVPSWXWPCZGPLRTZK

not attested not anchored not stored refs pending

Hyperspectral Pigment Analysis of Cultural Heritage Artifacts Using the Opaque Form of Kubelka-Munk Theory

Abu Md Niamul Taufique, David W. Messinger

arxiv:2104.04884 v1 · 2021-04-11 · cs.CV · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KKRYR7L7UNVPSWXWPCZGPLRTZK}

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	2026-07-05T02:30:48.758928Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52a388fd7fa36af95af678b267ae33ca89deb2788bbbee04147042285544ee9e

Aliases

arxiv: 2104.04884 · arxiv_version: 2104.04884v1 · doi: 10.48550/arxiv.2104.04884 · pith_short_12: KKRYR7L7UNVP · pith_short_16: KKRYR7L7UNVPSWXW · pith_short_8: KKRYR7L7

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/KKRYR7L7UNVPSWXWPCZGPLRTZK \
  | 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: 52a388fd7fa36af95af678b267ae33ca89deb2788bbbee04147042285544ee9e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6bbb7cc044191891e9994172deb25a1304405d4c1e86015a56c95aeb99fb87b7",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-04-11T00:22:37Z",
    "title_canon_sha256": "0f3ca2d3e1fee86119ec4d65fd644d65bd095273d8ee469436f5f80b2fff6b22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.04884",
    "kind": "arxiv",
    "version": 1
  }
}