Pith Number

pith:MYN35EDK

pith:2025:MYN35EDKFHA3MII27D2Z524XUL

not attested not anchored not stored refs pending

Isotopic composition of cometary water and the origin of Earth's oceans

Arielle Moullete, Dariusz C. Lis, Dominique Bockelee-Morvan, Martin Cordiner, Nicolas Biver, Paul F. Goldsmith, Paul von Allmen

arxiv:2509.01834 v1 · 2025-09-01 · astro-ph.EP · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MYN35EDKFHA3MII27D2Z524XUL}

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	2026-07-05T12:03:09.717294Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

661bbe906a29c1b6211af8f59eeb97a2e54fe0d5af6d64b062410bd30975d635

Aliases

arxiv: 2509.01834 · arxiv_version: 2509.01834v1 · doi: 10.48550/arxiv.2509.01834 · pith_short_12: MYN35EDKFHA3 · pith_short_16: MYN35EDKFHA3MII2 · pith_short_8: MYN35EDK

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/MYN35EDKFHA3MII27D2Z524XUL \
  | 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: 661bbe906a29c1b6211af8f59eeb97a2e54fe0d5af6d64b062410bd30975d635

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25eb247a57f7fda5347454da477504f439aa537d8dd069512853ef5df47c6e13",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2025-09-01T23:26:13Z",
    "title_canon_sha256": "43ccb9df600c121538731545ec715315ca31876c3b125384e22e0f122a03580b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.01834",
    "kind": "arxiv",
    "version": 1
  }
}