Pith Number

pith:6RGQRSD5

pith:2021:6RGQRSD5SMPINKJZGQZCJRDZW6

not attested not anchored not stored refs pending

Detection of Ionized Calcium in the Atmosphere of the Ultra-Hot Jupiter WASP-76b

Andrew Ridden-Harper, Callie E. Hood, David K. Sing, Emily K. Deibert, Ernst J. W. De Mooij, Jake D. Turner, Jonathan J. Fortney, Laura Flagg, Luca Fossati, Ray Jayawardhana, Romain Allart, Ryan MacDonald

arxiv:2109.04373 v1 · 2021-09-09 · 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{6RGQRSD5SMPINKJZGQZCJRDZW6}

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	2026-07-05T03:19:21.866587Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f44d08c87d931e86a939343224c479b7839e5a9e07ab03160ddfa764d41de2aa

Aliases

arxiv: 2109.04373 · arxiv_version: 2109.04373v1 · doi: 10.48550/arxiv.2109.04373 · pith_short_12: 6RGQRSD5SMPI · pith_short_16: 6RGQRSD5SMPINKJZ · pith_short_8: 6RGQRSD5

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/6RGQRSD5SMPINKJZGQZCJRDZW6 \
  | 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: f44d08c87d931e86a939343224c479b7839e5a9e07ab03160ddfa764d41de2aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9042508c324def390fdfc305f615e87ca8313b65d1c1f3979951e2ca415e88b3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2021-09-09T16:01:15Z",
    "title_canon_sha256": "e7caec953c4bba6e14922ad5ed67e193d591d7972b0f127d59703b556a4d0158"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.04373",
    "kind": "arxiv",
    "version": 1
  }
}