Pith Number

pith:PN23V34P

pith:2021:PN23V34PAQAFSEY4ECBZZK3HEW

not attested not anchored not stored refs pending

SPH Simulations for Shape Deformation of Rubble-Pile Asteroids Through Spinup: The Challenge for Making Top-Shaped Asteroids Ryugu and Bennu

Hidenori Genda, Hiroshi Kobayashi, Keisuke Sugiura, Ryuki Hyodo, Sei-ichiro Watanabe, Shu-ichiro Inutsuka

arxiv:2104.13516 v1 · 2021-04-28 · 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{PN23V34PAQAFSEY4ECBZZK3HEW}

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	2026-07-05T02:35:55.783371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b75baef8f040059131c20839cab67258389bd0b81e5d4f9a57d55dfe87ab97f

Aliases

arxiv: 2104.13516 · arxiv_version: 2104.13516v1 · doi: 10.48550/arxiv.2104.13516 · pith_short_12: PN23V34PAQAF · pith_short_16: PN23V34PAQAFSEY4 · pith_short_8: PN23V34P

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/PN23V34PAQAFSEY4ECBZZK3HEW \
  | 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: 7b75baef8f040059131c20839cab67258389bd0b81e5d4f9a57d55dfe87ab97f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61b24dfa64f5be78f132cee15b57f69837d0da227128476f8b3d5a6d00aa7297",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2021-04-28T00:55:34Z",
    "title_canon_sha256": "a29c5e60bafea9351070afb60a2a88cad43b6d809cff00cf8aa1a6bdec958b35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.13516",
    "kind": "arxiv",
    "version": 1
  }
}