Pith Number

pith:WZV43JX2

pith:2018:WZV43JX22Y3IPFGQE5SLN76PUS

not attested not anchored not stored refs pending

A New Desalination Pump Help Define the pH of Ocean Worlds

Amit Levi, Dimitar Sasselov

arxiv:1803.08937 v1 · 2018-03-23 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WZV43JX22Y3IPFGQE5SLN76PUS}

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	2026-05-18T00:17:03.734472Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b66bcda6fad6368794d02764b6ffcfa4b4e703dd7fcdeb66bb2e8943dadfb241

Aliases

arxiv: 1803.08937 · arxiv_version: 1803.08937v1 · doi: 10.48550/arxiv.1803.08937 · pith_short_12: WZV43JX22Y3I · pith_short_16: WZV43JX22Y3IPFGQ · pith_short_8: WZV43JX2

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/WZV43JX22Y3IPFGQE5SLN76PUS \
  | 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: b66bcda6fad6368794d02764b6ffcfa4b4e703dd7fcdeb66bb2e8943dadfb241

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c50928ec26dc1e55b7171bbec697244ffd208b0867fd11ed6f2ddcc54325f904",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-03-23T18:09:35Z",
    "title_canon_sha256": "84f6528a2ad4015657d3c34d1f2ef8cf4dd0a1ca61ca321d5994f95e46a99fd9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.08937",
    "kind": "arxiv",
    "version": 1
  }
}