Pith Number

pith:VTPZZECY

pith:2020:VTPZZECYXZ4LNCC22INZBACYIP

not attested not anchored not stored refs pending

Subsolar Al/Si and Mg/Si ratios of non-carbonaceous chondrites reveal planetesimal formation during early condensation in the protoplanetary disk

A. Morbidelli, D.C. Rubie, G. Libourel, H. Palme, S.A. Jacobson

arxiv:2003.05486 v1 · 2020-03-11 · 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{VTPZZECYXZ4LNCC22INZBACYIP}

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	2026-07-05T00:53:19.632542Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

acdf9c9058be78b6885ad21b90805843f83337464c04662e7207b5e84bb3cf21

Aliases

arxiv: 2003.05486 · arxiv_version: 2003.05486v1 · doi: 10.48550/arxiv.2003.05486 · pith_short_12: VTPZZECYXZ4L · pith_short_16: VTPZZECYXZ4LNCC2 · pith_short_8: VTPZZECY

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/VTPZZECYXZ4LNCC22INZBACYIP \
  | 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: acdf9c9058be78b6885ad21b90805843f83337464c04662e7207b5e84bb3cf21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "893be587c625489c4031494374ea2b41e31cf2ea086639c4eda92e6c5f7b96d2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2020-03-11T18:53:09Z",
    "title_canon_sha256": "d6045b44d2b3b4735618f7505ff0adc807a3327f60b386238e4f7892c3ff984a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.05486",
    "kind": "arxiv",
    "version": 1
  }
}