Pith Number

pith:NTX4MKJS

pith:2026:NTX4MKJS7M2CGJZ34AK2Z3EIHQ

not attested not anchored not stored refs pending

Rejections Based on Predictive Uncertainty Enable Reliable Routine Soil Spectroscopy

G.Mick Wu, Jonas Schmidinger, Marc-Olivier Gasser, Robin Gebbers, Viacheslav Barkov, Viacheslav I. Adamchuk

arxiv:2606.21179 v1 · 2026-06-19 · 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{NTX4MKJS7M2CGJZ34AK2Z3EIHQ}

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	2026-06-23T01:12:32.591500Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6cefc62932fb3423273be015acec883c1a02301d1dda589ee2b48b87f2af390e

Aliases

arxiv: 2606.21179 · arxiv_version: 2606.21179v1 · doi: 10.48550/arxiv.2606.21179 · pith_short_12: NTX4MKJS7M2C · pith_short_16: NTX4MKJS7M2CGJZ3 · pith_short_8: NTX4MKJS

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/NTX4MKJS7M2CGJZ34AK2Z3EIHQ \
  | 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: 6cefc62932fb3423273be015acec883c1a02301d1dda589ee2b48b87f2af390e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df829ffc9a4eb2c0437b79845d48b96f87550f7eb273c84bc7d48cd7bf68b07b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-19T07:42:56Z",
    "title_canon_sha256": "4b1dd344225d415c48c2d26ce506b178761b06695c2233bd8ad2217880710c7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.21179",
    "kind": "arxiv",
    "version": 1
  }
}