Pith Number

pith:27B7WZ2M

pith:2020:27B7WZ2MVVMCTMOUQS5B7GPA7W

not attested not anchored not stored refs pending

Ions in the Thermosphere of Exoplanets: Observable Constraints Revealed by Innovative Laboratory Experiments

Giovanna Tinetti, J\'er\'emy Bourgalais, Jonathan Tennyson, Katy L. Chubb, Lora Jovanovi\'c, Nathalie Carrasco, Olivia Venot, Pascal Pernot, Quentin Changeat, Sergey N. Yurchenko

arxiv:2004.12872 v1 · 2020-04-27 · astro-ph.EP · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{27B7WZ2MVVMCTMOUQS5B7GPA7W}

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	2026-07-05T01:07:30.362422Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7c3fb674cad5829b1d484ba1f99e0fd96e2c045fa4ecd2550c7143d6252b5d8

Aliases

arxiv: 2004.12872 · arxiv_version: 2004.12872v1 · doi: 10.48550/arxiv.2004.12872 · pith_short_12: 27B7WZ2MVVMC · pith_short_16: 27B7WZ2MVVMCTMOU · pith_short_8: 27B7WZ2M

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/27B7WZ2MVVMCTMOUQS5B7GPA7W \
  | 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: d7c3fb674cad5829b1d484ba1f99e0fd96e2c045fa4ecd2550c7143d6252b5d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c49408ea347fa663154b8d84d597181ac6d94cbb1878279d99ea43dd40e4d306",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2020-04-27T15:28:38Z",
    "title_canon_sha256": "90cd642ff51f12336e04346be5e65facf55cd32aeb38e9a9e7bc29a681c14508"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.12872",
    "kind": "arxiv",
    "version": 1
  }
}