Pith Number

pith:WEFGUBI5

pith:2021:WEFGUBI5JP6YTQQMV3R3FVU7DO

not attested not anchored not stored refs pending

Raining Rocks: An analytical formulation for collision timescales in planetary systems

Gongjie Li, Sanaea C. Rose, Santiago Torres, Smadar Naoz

arxiv:2110.02269 v2 · 2021-10-05 · 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{WEFGUBI5JP6YTQQMV3R3FVU7DO}

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	2026-07-05T06:29:29.052717Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b10a6a051d4bfd89c20caee3b2d69f1ba7ac877eed55b579fd6409377db5f949

Aliases

arxiv: 2110.02269 · arxiv_version: 2110.02269v2 · doi: 10.48550/arxiv.2110.02269 · pith_short_12: WEFGUBI5JP6Y · pith_short_16: WEFGUBI5JP6YTQQM · pith_short_8: WEFGUBI5

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/WEFGUBI5JP6YTQQMV3R3FVU7DO \
  | 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: b10a6a051d4bfd89c20caee3b2d69f1ba7ac877eed55b579fd6409377db5f949

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db87a62544c4c87ffac85883d766e5d7d08ed551694238a235630ef0a17aa5a1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2021-10-05T18:17:56Z",
    "title_canon_sha256": "84200a4067f011341d99a0f42fbd9e136c40cf09ea18d95bf4b42b63a9f84794"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.02269",
    "kind": "arxiv",
    "version": 2
  }
}