Pith Number

pith:VOUGGGE7

pith:2026:VOUGGGE7M57QPPMTYPDJFLEMEU

not attested not anchored not stored refs pending

Using observations of escaping H/He to constrain the atmospheric composition of sub-Neptunes

Ethan Schreyer, James E. Owen, James G. Rogers, James Kirk

arxiv:2601.14254 v2 · 2026-01-20 · 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{VOUGGGE7M57QPPMTYPDJFLEMEU}

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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.

Cited by

1 paper in Pith

Atmospheric diversity of sub-Neptunes from formation with rock, water, and soot

Receipt and verification

First computed	2026-06-10T01:09:53.195755Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aba863189f677f07bd93c3c692ac8c2526258281e02b77184857decf319910f5

Aliases

arxiv: 2601.14254 · arxiv_version: 2601.14254v2 · doi: 10.48550/arxiv.2601.14254 · pith_short_12: VOUGGGE7M57Q · pith_short_16: VOUGGGE7M57QPPMT · pith_short_8: VOUGGGE7

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/VOUGGGE7M57QPPMTYPDJFLEMEU \
  | 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: aba863189f677f07bd93c3c692ac8c2526258281e02b77184857decf319910f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb046117fc701a68c5e403919974c9a297f5f814348384f79a5854529ca33f48",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2026-01-20T18:59:55Z",
    "title_canon_sha256": "9acfac34673d397e638223162d61b5a02a4c0f1b167368ffa22e3502cdadc092"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.14254",
    "kind": "arxiv",
    "version": 2
  }
}