Pith Number

pith:PEVY4IP6

pith:2018:PEVY4IP66XG7776LAMO2WEO3W2

not attested not anchored not stored refs pending

Probable detection of hydrogen sulphide (H$_2$S) in Neptune's atmosphere

Bruno B\'ezard, Daniel Toledo, Glenn S. Orton, Leigh N. Fletcher, Nicholas A. Teanby, Patrick G.J. Irwin, Ryan Garland

arxiv:1812.05382 v1 · 2018-12-13 · 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{PEVY4IP66XG7776LAMO2WEO3W2}

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	2026-05-17T23:58:20.422907Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

792b8e21fef5cdffffcb031dab11dbb6a9d63023f874d1b0b51940b889b739e3

Aliases

arxiv: 1812.05382 · arxiv_version: 1812.05382v1 · doi: 10.48550/arxiv.1812.05382 · pith_short_12: PEVY4IP66XG7 · pith_short_16: PEVY4IP66XG7776L · pith_short_8: PEVY4IP6

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/PEVY4IP66XG7776LAMO2WEO3W2 \
  | 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: 792b8e21fef5cdffffcb031dab11dbb6a9d63023f874d1b0b51940b889b739e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6612df076a816a0c9f88d4be5391b9fb7263cd506686d01125d478994efd1144",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-12-13T12:37:40Z",
    "title_canon_sha256": "e58007a5eb80b37d88fabc866f90efe8eccb20bf477a50ac691bc85ee3897ed2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.05382",
    "kind": "arxiv",
    "version": 1
  }
}