Pith Number

pith:EOU2TD72

pith:2024:EOU2TD72NOGZXQ3XATK7LYNYXD

not attested not anchored not stored refs pending

POSEIDON: A Multidimensional Atmospheric Retrieval Code for Exoplanet Spectra

Ryan J. MacDonald

arxiv:2410.18181 v1 · 2024-10-23 · astro-ph.IM · 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{EOU2TD72NOGZXQ3XATK7LYNYXD}

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	2026-07-05T09:25:04.532674Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23a9a98ffa6b8d9bc37704d5f5e1b8b8fb1712300652660b7de035b65a50b2cf

Aliases

arxiv: 2410.18181 · arxiv_version: 2410.18181v1 · doi: 10.48550/arxiv.2410.18181 · pith_short_12: EOU2TD72NOGZ · pith_short_16: EOU2TD72NOGZXQ3X · pith_short_8: EOU2TD72

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/EOU2TD72NOGZXQ3XATK7LYNYXD \
  | 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: 23a9a98ffa6b8d9bc37704d5f5e1b8b8fb1712300652660b7de035b65a50b2cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d58bd56261226b526336042ea0dd81cad551620f46cee1387083ec2d88041a37",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2024-10-23T18:00:03Z",
    "title_canon_sha256": "3d8467467b6dbed97a524f14473eac10cf8cabcabc311b4c249f9523f10dfcee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2410.18181",
    "kind": "arxiv",
    "version": 1
  }
}