Pith Number

pith:NQ4L6XPD

pith:2025:NQ4L6XPDZ2C5GEZ77CL7JVX3EJ

not attested not anchored not stored refs pending

Unraveling the non-equilibrium chemistry of the temperate sub-Neptune K2-18 b

A. Y. Jaziri, N. Carrasco, O. Sohier, O. Venot

arxiv:2507.14983 v1 · 2025-07-20 · 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{NQ4L6XPDZ2C5GEZ77CL7JVX3EJ}

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	2026-07-05T12:03:29.848197Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c38bf5de3ce85d3133ff897f4d6fb2266f112269897f588071704aa11230b28

Aliases

arxiv: 2507.14983 · arxiv_version: 2507.14983v1 · doi: 10.48550/arxiv.2507.14983 · pith_short_12: NQ4L6XPDZ2C5 · pith_short_16: NQ4L6XPDZ2C5GEZ7 · pith_short_8: NQ4L6XPD

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/NQ4L6XPDZ2C5GEZ77CL7JVX3EJ \
  | 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: 6c38bf5de3ce85d3133ff897f4d6fb2266f112269897f588071704aa11230b28

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7922be48694ebbf727367479c9d55b5450d0b4c3c7d23a61919b1d0a7fa4b1f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2025-07-20T14:39:00Z",
    "title_canon_sha256": "bae403934a135c59853ec559f91e923506c579901c89cea0015f51855778f288"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.14983",
    "kind": "arxiv",
    "version": 1
  }
}