Pith Number

pith:IEWFWL36

pith:2018:IEWFWL36SQEA3X6Y5OCED4K3OV

not attested not anchored not stored refs pending

The origin and fate of O$_2$ in Europa's ice: an atmospheric perspective

Apurva V. Oza, Carl Schmidt, Francois Leblanc, Robert E. Johnson, Tom A. Nordheim

arxiv:1804.10589 v1 · 2018-04-27 · 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{IEWFWL36SQEA3X6Y5OCED4K3OV}

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	2026-05-17T23:52:44.041847Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

412c5b2f7e94080ddfd8eb8441f15b7576d2da6418d7375617c9495b0a15b383

Aliases

arxiv: 1804.10589 · arxiv_version: 1804.10589v1 · doi: 10.48550/arxiv.1804.10589 · pith_short_12: IEWFWL36SQEA · pith_short_16: IEWFWL36SQEA3X6Y · pith_short_8: IEWFWL36

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/IEWFWL36SQEA3X6Y5OCED4K3OV \
  | 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: 412c5b2f7e94080ddfd8eb8441f15b7576d2da6418d7375617c9495b0a15b383

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04b183d751bc824f849b48acfb32b894629d2dc630401ca3ae20e74196ced619",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-04-27T16:54:17Z",
    "title_canon_sha256": "4bd814ab5ce4d6726fedc36c5514a17f51b5beba556d6c5800aea8ad56fa725a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.10589",
    "kind": "arxiv",
    "version": 1
  }
}