Pith Number

pith:PMLMAQ4J

pith:2025:PMLMAQ4JJYLRJ6ZW6FEKAJYYPM

not attested not anchored not stored refs pending

Origin of moderately volatile elements in Earth inferred from mass-dependent Ge isotope variations among chondrites

Christoph Burkhardt, Elias W\"olfer, Francis Nimmo, Thorsten Kleine

arxiv:2505.06604 v1 · 2025-05-10 · 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{PMLMAQ4JJYLRJ6ZW6FEKAJYYPM}

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	2026-07-05T11:01:12.950503Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b16c043894e1714fb36f148a027187b352ab59f9137a6f248c2bfacf42e6c42

Aliases

arxiv: 2505.06604 · arxiv_version: 2505.06604v1 · doi: 10.48550/arxiv.2505.06604 · pith_short_12: PMLMAQ4JJYLR · pith_short_16: PMLMAQ4JJYLRJ6ZW · pith_short_8: PMLMAQ4J

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/PMLMAQ4JJYLRJ6ZW6FEKAJYYPM \
  | 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: 7b16c043894e1714fb36f148a027187b352ab59f9137a6f248c2bfacf42e6c42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4ac5ad64a2a7d2b22154bfa927dc0ecf768fa5871d3f0ee3dcfaa4dae00b926",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2025-05-10T11:29:38Z",
    "title_canon_sha256": "443f3f918dd853837ad2750f04d77b6d2ef932c6c7f5e1e246b1bedd6e29ee68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.06604",
    "kind": "arxiv",
    "version": 1
  }
}