Pith Number

pith:GMKQEF4A

pith:2022:GMKQEF4A2WCZKJ7VBQ4UHDWOBT

not attested not anchored not stored refs pending

Effects of Charge Exchange on the Evaporative Wind of HD 209458b

Adam Frank, Alex Debrecht, Eric G. Blackman, John McCann, Jonathan Carroll-Nellenback, Luca Fossati, Ruth Murray-Clay

arxiv:2201.07337 v1 · 2022-01-18 · astro-ph.EP · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GMKQEF4A2WCZKJ7VBQ4UHDWOBT}

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	2026-07-05T03:49:45.565667Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3315021780d5859527f50c39438ece0cff28b797b27c1ad28a8a99c276b9ffbe

Aliases

arxiv: 2201.07337 · arxiv_version: 2201.07337v1 · doi: 10.48550/arxiv.2201.07337 · pith_short_12: GMKQEF4A2WCZ · pith_short_16: GMKQEF4A2WCZKJ7V · pith_short_8: GMKQEF4A

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/GMKQEF4A2WCZKJ7VBQ4UHDWOBT \
  | 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: 3315021780d5859527f50c39438ece0cff28b797b27c1ad28a8a99c276b9ffbe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "049e404126854a8c7f28e250528edcd14a247325b6245b46b5bdb362c00b68a9",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2022-01-18T22:20:26Z",
    "title_canon_sha256": "62b7753d2fdaa5dd908cda8a50283755e44319ea46e114e23cbc2e2a9c9c62e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.07337",
    "kind": "arxiv",
    "version": 1
  }
}