Pith Number

pith:HEZQ4ZKL

pith:2016:HEZQ4ZKL5I2N4FALPARJHIDLBU

not attested not anchored not stored refs pending

Commentary on 'Modified MMF (Morgan-Morgan-Finney) model for evaluating effects of crops and vegetation cover on soil erosion' by Morgan and Duzant (2008)

Bernd Huwe, Bj\"orn Reineking, Kwanghun Choi

arxiv:1612.08899 v2 · 2016-12-28 · physics.geo-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HEZQ4ZKL5I2N4FALPARJHIDLBU}

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	2026-05-18T00:52:49.109177Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39330e654bea34de140b782293a06b0d21644671a15e8bb6ec786587881ab228

Aliases

arxiv: 1612.08899 · arxiv_version: 1612.08899v2 · doi: 10.48550/arxiv.1612.08899 · pith_short_12: HEZQ4ZKL5I2N · pith_short_16: HEZQ4ZKL5I2N4FAL · pith_short_8: HEZQ4ZKL

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/HEZQ4ZKL5I2N4FALPARJHIDLBU \
  | 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: 39330e654bea34de140b782293a06b0d21644671a15e8bb6ec786587881ab228

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9190eb6a44d7991b4e111ab5e0083b3015bcf295c78fdbed267759e7b1cdbfd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2016-12-28T14:38:13Z",
    "title_canon_sha256": "427f1f54cec1457dcc629817259273ddecc7b4832684f085963275ebb256f972"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.08899",
    "kind": "arxiv",
    "version": 2
  }
}