Pith Number

pith:YCKY7PHF

pith:2026:YCKY7PHFW3C5MJGH7P2OJHWQHS

not attested not anchored not stored refs pending

The carbon isotope ratio of \beta\ Pic b with high-resolution spectroscopy

D. Gonz\'alez Picos, I.A.G. Snellen, I. Koutalios, J. L. Birkby, M.A. Kenworthy, N. Grasser, R. Landman, S. de Regt, T. Stolker

arxiv:2606.12401 v1 · 2026-06-10 · 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{YCKY7PHFW3C5MJGH7P2OJHWQHS}

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	2026-06-11T02:09:49.844321Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0958fbce5b6c5d624c7fbf4e49ed03c903728f41398a69945f16a99ef2f9cf9

Aliases

arxiv: 2606.12401 · arxiv_version: 2606.12401v1 · doi: 10.48550/arxiv.2606.12401 · pith_short_12: YCKY7PHFW3C5 · pith_short_16: YCKY7PHFW3C5MJGH · pith_short_8: YCKY7PHF

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/YCKY7PHFW3C5MJGH7P2OJHWQHS \
  | 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: c0958fbce5b6c5d624c7fbf4e49ed03c903728f41398a69945f16a99ef2f9cf9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47d882b65115e2b419fac9d30b35563c69b9d2e4787641d8a0965e9efb9e1843",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2026-06-10T17:58:27Z",
    "title_canon_sha256": "5528b332a1376a1e4efc690307d539423b91a869ec348e102f8661e0e411c73d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.12401",
    "kind": "arxiv",
    "version": 1
  }
}