Pith Number

pith:SZ7PCCB3

pith:2025:SZ7PCCB3BM43QGP2UAUHBAAAXE

not attested not anchored not stored refs pending

Green Ammonia: A Techno-Economic Supply Chain Optimization

Felix M\"usgens, Lucien Genge

arxiv:2507.02412 v1 · 2025-07-03 · econ.GN · cs.SY · eess.SY · q-fin.EC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SZ7PCCB3BM43QGP2UAUHBAAAXE}

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	2026-07-05T11:31:17.881830Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

967ef1083b0b39b819faa028708000b911d721e42dc2d84fbe4d68be6b306bc8

Aliases

arxiv: 2507.02412 · arxiv_version: 2507.02412v1 · doi: 10.48550/arxiv.2507.02412 · pith_short_12: SZ7PCCB3BM43 · pith_short_16: SZ7PCCB3BM43QGP2 · pith_short_8: SZ7PCCB3

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/SZ7PCCB3BM43QGP2UAUHBAAAXE \
  | 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: 967ef1083b0b39b819faa028708000b911d721e42dc2d84fbe4d68be6b306bc8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "135d263d6aa35f7db700c1e04836a038294664d869b14ea3205b5abfc3fd67a1",
    "cross_cats_sorted": [
      "cs.SY",
      "eess.SY",
      "q-fin.EC"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "econ.GN",
    "submitted_at": "2025-07-03T08:14:20Z",
    "title_canon_sha256": "a883d45febab22635888983713e40ab6f7016f63420817afc45756e506f36b94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.02412",
    "kind": "arxiv",
    "version": 1
  }
}