Pith Number

pith:RN4OXSWL

pith:2020:RN4OXSWLPTXS5WH3XJQOL65UVY

not attested not anchored not stored refs pending

A comparison of exoplanet spectroscopic retrieval tools

Ingo P. Waldmann, Joanna K. Barstow, Marco Rocchetto, Michael R. Line, Quentin Changeat, Ryan Garland

arxiv:2002.01063 v2 · 2020-02-04 · 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{RN4OXSWLPTXS5WH3XJQOL65UVY}

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	2026-07-05T00:46:34.874748Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b78ebcacb7cef2ed8fbba60e5fbb4ae2330b035a9b3c485e59be194c56525dc

Aliases

arxiv: 2002.01063 · arxiv_version: 2002.01063v2 · doi: 10.48550/arxiv.2002.01063 · pith_short_12: RN4OXSWLPTXS · pith_short_16: RN4OXSWLPTXS5WH3 · pith_short_8: RN4OXSWL

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/RN4OXSWLPTXS5WH3XJQOL65UVY \
  | 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: 8b78ebcacb7cef2ed8fbba60e5fbb4ae2330b035a9b3c485e59be194c56525dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d5365c1e07c646e557174c5efa4db8452d3e144738f3b190dd5802fb051c486",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2020-02-04T00:20:33Z",
    "title_canon_sha256": "62447f6eba803e4eecc41e58a0c4e2bbe331bd480dfc0189c584170c5c2af821"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.01063",
    "kind": "arxiv",
    "version": 2
  }
}