Pith Number

pith:JFHFDHG4

pith:2026:JFHFDHG4YHRQ2MNJRDTKOBGAPI

not attested not anchored not stored refs pending

From Young to Older Disks: JWST/MIRI Evidence for Fading Molecular Emission and Hints for Elevated C/O in Upper Scorpius

Aaron Empey, Abygail Waggoner, Andrea Banzatti, Benoit Tabone, Carlo F. Manara, Chengyan Xie, Colette Salyk, Eshan Raul, Feng Long, Geoffrey A. Blake, Giovanni Rosotti, Ilaria Pascucci, James Miley, John Carpenter, Jordan Stone, Ke Zhang, Klaus Pontoppidan, Lucas Cieza, Miguel Vioque, Min Fang, Paola Pinilla, Richard Booth, Steve Ertel, Tamara Molyarova, Uma Gorti, Yao Liu

arxiv:2606.27477 v1 · 2026-06-25 · astro-ph.EP · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JFHFDHG4YHRQ2MNJRDTKOBGAPI}

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	2026-06-29T00:14:07.705262Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

494e519cdcc1e30d31a988e6a704c07a32a79c46cc7a5702542946d14d3e139b

Aliases

arxiv: 2606.27477 · arxiv_version: 2606.27477v1 · doi: 10.48550/arxiv.2606.27477 · pith_short_12: JFHFDHG4YHRQ · pith_short_16: JFHFDHG4YHRQ2MNJ · pith_short_8: JFHFDHG4

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/JFHFDHG4YHRQ2MNJRDTKOBGAPI \
  | 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: 494e519cdcc1e30d31a988e6a704c07a32a79c46cc7a5702542946d14d3e139b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7550d4af7bc0fd5d00d3eddd58cc55c367b65b30f9e73d6e83ea68a29691ef03",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2026-06-25T18:56:07Z",
    "title_canon_sha256": "29be45155eaff3057fc0cd348049ef114dc4370758e47ba83f631391edc02641"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.27477",
    "kind": "arxiv",
    "version": 1
  }
}