Pith Number

pith:JXZXBNTL

pith:2025:JXZXBNTL7JREOID2QZQ5FMP5SM

not attested not anchored not stored refs pending

SoilSound: Smartphone-based Soil Moisture Estimation

Rajalakshmi Nandakumar, Shuang He, Tanvir Ahmed, Yixuan Gao, Zhongqi Cheng

arxiv:2509.09823 v1 · 2025-09-11 · cs.SD · cs.AI · cs.ET · cs.HC · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JXZXBNTL7JREOID2QZQ5FMP5SM}

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	2026-07-05T12:09:50.136725Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4df370b66bfa6247207a8661d2b1fd931acb02332a447a002d14f04a3b27cf3e

Aliases

arxiv: 2509.09823 · arxiv_version: 2509.09823v1 · doi: 10.48550/arxiv.2509.09823 · pith_short_12: JXZXBNTL7JRE · pith_short_16: JXZXBNTL7JREOID2 · pith_short_8: JXZXBNTL

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/JXZXBNTL7JREOID2QZQ5FMP5SM \
  | 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: 4df370b66bfa6247207a8661d2b1fd931acb02332a447a002d14f04a3b27cf3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37af596acf0b438b34e405f63d5a9ca43128ffb8e8b06a9c821e4bd67a10cfe5",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.ET",
      "cs.HC",
      "eess.SP"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2025-09-11T19:49:30Z",
    "title_canon_sha256": "88986edfc17e62aa1008115cb6d27ae8e5bfafe9554148c7588683f50e5b0a32"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.09823",
    "kind": "arxiv",
    "version": 1
  }
}