Pith Number

pith:P4PCFM4D

pith:2022:P4PCFM4DOJJG2XVB2TCPA7YDGV

not attested not anchored not stored refs pending

The spatial distribution of impact craters on Ryugu

Atsushi Fujii, Chikatoshi Honda, Eri Tatsumi, Fuyuto Terui, Go Ono, Hidehiko Suzuki, Hiroshi Takeuchi, Hirotaka Sawada, Kazunori Ogawa, Kazuo Yoshioka, Kei Shirai, Kent Yoshikawa, Makoto Yoshikawa, Mamabu Yamada, Masahiko Hayakawa, Masanori Kanamaru, Moe Matsuoka, Naoko Ogawa, Naoya Sakatani, Naoyuki Hirata, Naru Hirata, Rie Honda, Rina Noguchi, Satoru Nakazawa, Satoshi Tanaka, Sei-ichiro Watanabe, Seiji Sugita, Shingo Kameda, Shota Kikuchi, Tadateru Takahashi, Takanao Saiki, Tatsuaki Okada, Tomohiro Yamaguchi, Tomokatsu Morota, Toru Kouyama, Yasuhiro Yokota, Yu-ichi Iijima, Yuichiro Cho, Yuichi Tsuda, Yukio Yamamoto, Yuri Shimaki, Yuto Takei, Yuya Mimasu

arxiv:2205.05818 v1 · 2022-05-12 · 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{P4PCFM4DOJJG2XVB2TCPA7YDGV}

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	2026-07-05T04:22:42.423847Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f1e22b38372526d5ea1d4c4f07f0335622e2b0bebc4845c8c0843aa5a2525c1

Aliases

arxiv: 2205.05818 · arxiv_version: 2205.05818v1 · doi: 10.48550/arxiv.2205.05818 · pith_short_12: P4PCFM4DOJJG · pith_short_16: P4PCFM4DOJJG2XVB · pith_short_8: P4PCFM4D

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/P4PCFM4DOJJG2XVB2TCPA7YDGV \
  | 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: 7f1e22b38372526d5ea1d4c4f07f0335622e2b0bebc4845c8c0843aa5a2525c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f3e39fd735213a14d7bc98c7a1f6fb69bfb8c1b6ccfa0867f4628bd4250bbae6",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2022-05-12T00:56:39Z",
    "title_canon_sha256": "59d0d2079557351f3aa8327c3f10ebe71f93b2228ad33d13a317b0a37af597b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.05818",
    "kind": "arxiv",
    "version": 1
  }
}