Pith Number

pith:MF2G7DUU

pith:2026:MF2G7DUU4CNIXP35K44TUAEYGJ

not attested not anchored not stored refs pending

A Comparative Evaluation of Sample Selection Algorithms for Multivariate Calibration in Near-Infrared Spectroscopic Analysis of Pharmaceutical Formulations

Aminata Sow, Fadaba Danioko, Harouna Sangar\'e, Tidiane Diallo

arxiv:2606.21914 v1 · 2026-06-20 · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MF2G7DUU4CNIXP35K44TUAEYGJ}

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	2026-06-23T02:13:02.759255Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61746f8e94e09a8bbf7d57393a009832427badcf4c70e33e59023660b0298760

Aliases

arxiv: 2606.21914 · arxiv_version: 2606.21914v1 · doi: 10.48550/arxiv.2606.21914 · pith_short_12: MF2G7DUU4CNI · pith_short_16: MF2G7DUU4CNIXP35 · pith_short_8: MF2G7DUU

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/MF2G7DUU4CNIXP35K44TUAEYGJ \
  | 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: 61746f8e94e09a8bbf7d57393a009832427badcf4c70e33e59023660b0298760

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87b0d9f50e58685f928e2a84e2c67fa0c3f26d0a0a84f3c8fe91c818d4b99f3c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2026-06-20T07:16:52Z",
    "title_canon_sha256": "3aac117a38d08f38b6d891236ed5b8b31c5164b75bbbb46edd0b952fb1118eee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.21914",
    "kind": "arxiv",
    "version": 1
  }
}