Pith Number

pith:D23FTVK4

pith:2026:D23FTVK4WOFSLDRJNOKM232CJ7

not attested not anchored not stored refs pending

Chemical Abundances of the Bioessential Elements C, O and S, and the Refractory Elements Fe and Ni, in Solar-type Exoplanet-hosting Stars from HARPS North and South

E. Costa-Almeida, J. J. Fortney, K. Cunha, L. Ghezzi, V. V. Smith

arxiv:2606.30722 v1 · 2026-06-29 · 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{D23FTVK4WOFSLDRJNOKM232CJ7}

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	2026-07-01T00:17:14.755776Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1eb659d55cb38b258e296b94cd6f424fce9d8bbe0f81140a2cfb8c28a15a4562

Aliases

arxiv: 2606.30722 · arxiv_version: 2606.30722v1 · doi: 10.48550/arxiv.2606.30722 · pith_short_12: D23FTVK4WOFS · pith_short_16: D23FTVK4WOFSLDRJ · pith_short_8: D23FTVK4

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/D23FTVK4WOFSLDRJNOKM232CJ7 \
  | 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: 1eb659d55cb38b258e296b94cd6f424fce9d8bbe0f81140a2cfb8c28a15a4562

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4c6a9a8946f6fcb55ab8e4e9b6a3f43ecac7879618cace087ee0510152fce5f",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2026-06-29T18:00:02Z",
    "title_canon_sha256": "9d37d08c488898afb53c89815951f34ef958089e12d9d5b439807d4f515a21a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.30722",
    "kind": "arxiv",
    "version": 1
  }
}