Pith Number

pith:UBAKQL5P

pith:2021:UBAKQL5PVLCSYUQGSD3GXCLLZY

not attested not anchored not stored refs pending

The terrestrial planet formation paradox inferred from high-resolution N-body simulations

Jason Man Yin Woo, Joachim Stadel, Miles L. Timpe, Ramon Brasser, Simon L. Grimm

arxiv:2109.03650 v1 · 2021-09-08 · 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{UBAKQL5PVLCSYUQGSD3GXCLLZY}

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	2026-07-05T03:12:41.658204Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a040a82fafaac52c520690f66b896bce2952affe41b27cb0bf187751caa3f027

Aliases

arxiv: 2109.03650 · arxiv_version: 2109.03650v1 · doi: 10.48550/arxiv.2109.03650 · pith_short_12: UBAKQL5PVLCS · pith_short_16: UBAKQL5PVLCSYUQG · pith_short_8: UBAKQL5P

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/UBAKQL5PVLCSYUQGSD3GXCLLZY \
  | 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: a040a82fafaac52c520690f66b896bce2952affe41b27cb0bf187751caa3f027

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7cd869190728fb68db32af5caad2e274c51c6bd92014b87694efbaa3b3f057e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2021-09-08T13:51:48Z",
    "title_canon_sha256": "55b1d16c36a8338bb7aab553d46d2c9f7fa6dacf317b778283de2b9935dd8138"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.03650",
    "kind": "arxiv",
    "version": 1
  }
}