Pith Number

pith:RN4VNYMN

pith:2017:RN4VNYMNCQXBVERBVOUL3Q4D2Z

not attested not anchored not stored refs pending

Early formation of planetary building blocks inferred from Pb isotopic ages of chondrules

(2) Department of Geosciences, 3) ((1) Centre for Star, (3) Institut de Physique du Globe de Paris, (4) Institut de Plan\'etologie et d'Astrophysique de Grenoble, {\AA}ke Nordlund (1), Denmark, Emily A. Pringle (3), France, France), Fr\'ed\'eric Moynier (3), James N. Connelly (1), Jean Bollard (1), Jes K. J{\o}rgensen (1), Lydie Bonal (4), Martin Bizzarro (1, Martin J. Whitehouse (2), Planet Formation, Sorbonne Paris Cit\'e, Stockholm, Sweden, Swedish Museum of Natural History, Universit\'e Paris Diderot, University of Copenhagen

arxiv:1708.02631 v1 · 2017-08-08 · 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{RN4VNYMNCQXBVERBVOUL3Q4D2Z}

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	2026-05-18T00:38:20.138933Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b7956e18d142e1a9221aba8bdc383d676165e6c8851294544454a8fc47d3217

Aliases

arxiv: 1708.02631 · arxiv_version: 1708.02631v1 · doi: 10.48550/arxiv.1708.02631 · pith_short_12: RN4VNYMNCQXB · pith_short_16: RN4VNYMNCQXBVERB · pith_short_8: RN4VNYMN

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/RN4VNYMNCQXBVERBVOUL3Q4D2Z \
  | 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: 8b7956e18d142e1a9221aba8bdc383d676165e6c8851294544454a8fc47d3217

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0fd81d9cae95b5259e2a6e8e6060f0e2bd3573858473d79d42562f5a2f32c447",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2017-08-08T19:55:37Z",
    "title_canon_sha256": "9b2a102eb5f27140772cc11d924573dd44f899b200a8c5c43545d37f442bd353"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.02631",
    "kind": "arxiv",
    "version": 1
  }
}