Pith Number

pith:SDYX5NLN

pith:2014:SDYX5NLN6EVIFO2KTB5YGFJFH7

not attested not anchored not stored refs pending

Modeling magnesium escape from HD209458b atmosphere

A. Lecavelier des Etangs, A. Vidal-Madjar, V. Bourrier

arxiv:1404.2120 v1 · 2014-04-08 · 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{SDYX5NLN6EVIFO2KTB5YGFJFH7}

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	2026-05-18T02:51:33.053149Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90f17eb56df12a82bb4a987b8315253fd162d33ef4e3ddc9a53ce95fb2b519a1

Aliases

arxiv: 1404.2120 · arxiv_version: 1404.2120v1 · doi: 10.48550/arxiv.1404.2120 · pith_short_12: SDYX5NLN6EVI · pith_short_16: SDYX5NLN6EVIFO2K · pith_short_8: SDYX5NLN

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/SDYX5NLN6EVIFO2KTB5YGFJFH7 \
  | 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: 90f17eb56df12a82bb4a987b8315253fd162d33ef4e3ddc9a53ce95fb2b519a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8447af0e97b9cc3395447ac587e79b0475ab37ffd7e016113646cc295bad465",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2014-04-08T13:28:15Z",
    "title_canon_sha256": "e8a2ea12cc45da779e48e0fc0db7d8ac45ea2f3765a26e4a1ac9ebfd839f4cf0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.2120",
    "kind": "arxiv",
    "version": 1
  }
}