Pith Number

pith:VKIPA7SZ

pith:2019:VKIPA7SZEHGKYGMXRW7HACNPF3

not attested not anchored not stored refs pending

Enhanced solar evaporation using a photo-thermal umbrella: towards zero liquid discharge wastewater management

Akanksha K. Menon, Iwan Haechler, Ravi S. Prasher, Sean Lubner, Sumanjeet Kaur

arxiv:1905.10394 v1 · 2019-05-24 · physics.app-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{VKIPA7SZEHGKYGMXRW7HACNPF3}

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	2026-05-17T23:45:08.669085Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa90f07e5921ccac19978dbe7009af2ee621373ba602a7b2f194e9660565653b

Aliases

arxiv: 1905.10394 · arxiv_version: 1905.10394v1 · doi: 10.48550/arxiv.1905.10394 · pith_short_12: VKIPA7SZEHGK · pith_short_16: VKIPA7SZEHGKYGMX · pith_short_8: VKIPA7SZ

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/VKIPA7SZEHGKYGMXRW7HACNPF3 \
  | 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: aa90f07e5921ccac19978dbe7009af2ee621373ba602a7b2f194e9660565653b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb2bc00b1e72819fa834966255370e8613cda61bb875d83d34f2c85a7b081ac3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2019-05-24T18:07:50Z",
    "title_canon_sha256": "7d2bc6a5630c089c4ddb82b909a028cdfe57764250a779704a94a3ceb237d71d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.10394",
    "kind": "arxiv",
    "version": 1
  }
}