Pith Number

pith:SCIAVNQ2

pith:2026:SCIAVNQ2YHSY6WZXQINWZMDKTE

not attested not anchored not stored refs pending

The panchromatic JWST dayside spectrum of WASP-121 b reveals a refractory-rich formation

Bertram Bitsch, Christiane Helling, Cyril Gapp, D. A. Christie, Daniel Valentine, H.J. Hoeijmakers, K. Angelique Kahle, Laura Kreidberg, Louis-Philippe Coulombe, Ludmila Carone, Mara Attia, Nicholas Storm, Paul Molli\`ere, Silke S. Dainese, Sophia R. Vaughan, Stefan Pelletier, Thomas Henning, Thomas M. Evans-Soma, Yoav Rotman

arxiv:2606.21855 v1 · 2026-06-20 · 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{SCIAVNQ2YHSY6WZXQINWZMDKTE}

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	2026-06-23T02:13:01.061715Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90900ab61ac1e58f5b37821b6cb06a99096e39fa5484a464778b2f11705d85ab

Aliases

arxiv: 2606.21855 · arxiv_version: 2606.21855v1 · doi: 10.48550/arxiv.2606.21855 · pith_short_12: SCIAVNQ2YHSY · pith_short_16: SCIAVNQ2YHSY6WZX · pith_short_8: SCIAVNQ2

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/SCIAVNQ2YHSY6WZXQINWZMDKTE \
  | 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: 90900ab61ac1e58f5b37821b6cb06a99096e39fa5484a464778b2f11705d85ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dcd37344445863df70b133256b4ddff0977321c03014315b4e3b376c3b898ca0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2026-06-20T03:23:28Z",
    "title_canon_sha256": "7d4f4a1d0a654e7af2d3f46a0b17e1316dccf636e2bf59a53efc691fd31c6284"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.21855",
    "kind": "arxiv",
    "version": 1
  }
}