Pith Number

pith:LE3TYAHC

pith:2013:LE3TYAHCKNHQUFS7AYNY5Y75QW

not attested not anchored not stored refs pending

Seeing about Soil -- Management Lessons from a Simple Model for Renewable Resources

Klaus Lichtenegger, Wilhelm Schappacher

arxiv:1306.4422 v2 · 2013-06-19 · nlin.CG · 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{LE3TYAHCKNHQUFS7AYNY5Y75QW}

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	2026-05-18T01:49:15.054604Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

59373c00e2534f0a165f061b8ee3fd85bda3d8c2a2b7621a1d8d113b69500589

Aliases

arxiv: 1306.4422 · arxiv_version: 1306.4422v2 · doi: 10.48550/arxiv.1306.4422 · pith_short_12: LE3TYAHCKNHQ · pith_short_16: LE3TYAHCKNHQUFS7 · pith_short_8: LE3TYAHC

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/LE3TYAHCKNHQUFS7AYNY5Y75QW \
  | 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: 59373c00e2534f0a165f061b8ee3fd85bda3d8c2a2b7621a1d8d113b69500589

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "652e0eb269c87b600eeb786af738c8b4044f4960f096d39a19453bfb225baa72",
    "cross_cats_sorted": [
      "physics.geo-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.CG",
    "submitted_at": "2013-06-19T04:56:14Z",
    "title_canon_sha256": "b651fccc9858589b3c0d29712bef6591d7784f941047247cf9f519a72f9195c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.4422",
    "kind": "arxiv",
    "version": 2
  }
}