Pith Number

pith:VGBTE3ON

pith:2025:VGBTE3ONNVCCVFWUBCBEGPUKWS

not attested not anchored not stored refs pending

Radial variations in nitrogen, carbon, and hydrogen fractionation in the PDS 70 planet-hosting disk

B. Portilla-Revelo, C. J. Law, J. Bae, K. I. \"Oberg, L. Rampinelli, M. Benisty, M. Leemker, P. Curone, R. Teague, S. Andrews, S. Facchini

arxiv:2504.03833 v1 · 2025-04-04 · 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{VGBTE3ONNVCCVFWUBCBEGPUKWS}

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.

Cited by

1 paper in Pith

PRODIGE - envelope to disk with NOEMA: V. Low 12C/13C ratios for CH3OH and CH3CN in hot corinos

Receipt and verification

First computed	2026-07-05T11:19:05.510683Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a983326dcd6d442a96d40882433e8ab489065ed17e13ef979f5cff442ca687d1

Aliases

arxiv: 2504.03833 · arxiv_version: 2504.03833v1 · doi: 10.48550/arxiv.2504.03833 · pith_short_12: VGBTE3ONNVCC · pith_short_16: VGBTE3ONNVCCVFWU · pith_short_8: VGBTE3ON

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/VGBTE3ONNVCCVFWUBCBEGPUKWS \
  | 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: a983326dcd6d442a96d40882433e8ab489065ed17e13ef979f5cff442ca687d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8a4254a8a0bd4d63dcc13cba024366a84e3433f9158147a474615974a284491",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2025-04-04T18:00:01Z",
    "title_canon_sha256": "aa47b7d016cef49780cacd29cec3802e4b05ada5b8632a471e7c86e65759e021"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.03833",
    "kind": "arxiv",
    "version": 1
  }
}