Pith Number

pith:I3QYE6MN

pith:2019:I3QYE6MNMHQQRRNKZB7ODGPYGZ

not attested not anchored not stored refs pending

New constraint on the atmosphere of (50000) Quaoar from a stellar occultation

Fumihiko Usui, George L. Hashimoto, Hidenori Takahashi, Hiroyuki Maehara, Jun-ichi Watanabe, Jun Takahashi, Ken'ichi Tarusawa, Kentaro Motohara, Ko Arimatsu, Makoto Ichiki, Makoto Yoshikawa, Mamoru Doi, Masahiro Konishi, Mikio Morii, Mikiya Sato, Misato Yamashita, Mitsuru Kokubo, Miyako Tozuka, Naoto Kobayashi, Noriaki Arima, Noriyuki Matsunaga, Nozomu Tominaga, Ryou Ohsawa, Seitaro Urakawa, Shigeyuki Sako, Shin-ichiro Okumura, Shiro Ikeda, Takao Soyano, Takashi Miyata, Takuya Yamashita, Tomoki Morokuma, Toshihiro Kasuga, Toshikazu Shigeyama, Tsutomu Aoki, Yoichi Itoh, Yoshifusa Ita, Yoshikazu Nakada, Yuki Sarugaku

arxiv:1910.09988 v1 · 2019-10-22 · 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{I3QYE6MNMHQQRRNKZB7ODGPYGZ}

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	2026-07-05T00:31:26.104083Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46e182798d61e108c5aac87ee199f8365eee96b13cd80e842ba4e3f611f9b5d2

Aliases

arxiv: 1910.09988 · arxiv_version: 1910.09988v1 · doi: 10.48550/arxiv.1910.09988 · pith_short_12: I3QYE6MNMHQQ · pith_short_16: I3QYE6MNMHQQRRNK · pith_short_8: I3QYE6MN

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/I3QYE6MNMHQQRRNKZB7ODGPYGZ \
  | 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: 46e182798d61e108c5aac87ee199f8365eee96b13cd80e842ba4e3f611f9b5d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c3da0ee352dfc10c2a655ec54c147c06ad00a3e0bdfef9d306bf686fdc47bb2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-10-22T14:02:39Z",
    "title_canon_sha256": "ee636f2093fa99fd7db7bfc0572dc8208f93c7ac7e3d3671a21eac0b312e4f20"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.09988",
    "kind": "arxiv",
    "version": 1
  }
}