Pith Number

pith:ZPRXBUQS

pith:2024:ZPRXBUQS2RMHUO5MBB3CTG7ZY7

not attested not anchored not stored refs pending

Cost and CO2 emissions co-optimisation of green hydrogen production in a grid-connected renewable energy system

Gorm Bruun Andresen, Neeraj Bokde, Sleiman Farah

arxiv:2404.11995 v1 · 2024-04-18 · eess.SY · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZPRXBUQS2RMHUO5MBB3CTG7ZY7}

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	2026-07-05T08:57:56.293219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cbe370d212d4587a3bac0876299bf9c7cd70fcd6ca81afee7362727627ca8f11

Aliases

arxiv: 2404.11995 · arxiv_version: 2404.11995v1 · doi: 10.48550/arxiv.2404.11995 · pith_short_12: ZPRXBUQS2RMH · pith_short_16: ZPRXBUQS2RMHUO5M · pith_short_8: ZPRXBUQS

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/ZPRXBUQS2RMHUO5MBB3CTG7ZY7 \
  | 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: cbe370d212d4587a3bac0876299bf9c7cd70fcd6ca81afee7362727627ca8f11

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "253bea259ff10608bce5e1044fbd30eb1026067644ddd6ff9dbfe8dfd51829c0",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2024-04-18T08:42:02Z",
    "title_canon_sha256": "c90ef571be1ca8c85c3ec3b2441dc16c1e579815b34ed008143ac86a9ba2f80b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2404.11995",
    "kind": "arxiv",
    "version": 1
  }
}