Pith Number

pith:GUHFCNIR

pith:2018:GUHFCNIR5XH374H6PY2BMOZXTR

not attested not anchored not stored refs pending

Fertilizer usage and cadmium in soils, crops and food

M.W.C. Dharma-wardana

arxiv:1802.07338 v3 · 2018-02-21 · q-bio.TO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GUHFCNIR5XH374H6PY2BMOZXTR}

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	2026-05-18T00:14:06.295448Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

350e513511edcfbff0fe7e34163b379c78bdc7ed04716eff11815fe3d19e01eb

Aliases

arxiv: 1802.07338 · arxiv_version: 1802.07338v3 · doi: 10.48550/arxiv.1802.07338 · pith_short_12: GUHFCNIR5XH3 · pith_short_16: GUHFCNIR5XH374H6 · pith_short_8: GUHFCNIR

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/GUHFCNIR5XH374H6PY2BMOZXTR \
  | 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: 350e513511edcfbff0fe7e34163b379c78bdc7ed04716eff11815fe3d19e01eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "918e1fb040fcdb15ce0219b041affd1f1ed157fb513cf12702e95397b94d561c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.TO",
    "submitted_at": "2018-02-21T18:40:07Z",
    "title_canon_sha256": "88e381e4686e2f375f0672440c39f08b2b60ff6b560155ddd1d016727a6b1259"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.07338",
    "kind": "arxiv",
    "version": 3
  }
}