Pith Number

pith:3ZCQPWG4

pith:2019:3ZCQPWG4BGSK3ZAASXMER5HOXT

not attested not anchored not stored refs pending

OGLE-2015-BLG-1771Lb: A Microlens Planet Orbiting an Ultracool Dwarf?

Andrew Gould, Andrzej Udalski, Byeong-Gon Park, Cheongho Han, Chung-Uk Lee, Dong-Jin Kim, Dong-Joo Lee, Hongjing Yang, Hyoun-Woo Kim, Igor Soszy\'nski, In-Gu Shin, Jan Skowron, Jennifer C. Yee, Krzysztof Ulaczyk, Kyu-Ha Hwang, Michael D. Albrow, Micha{\l} K. Szyma\'nski, Pawe{\l} Pietrukowicz, Przemek Mr\'oz, Radoslaw Poleski, Richard W. Pogge, Sang-Mok Cha, Seung-Lee Kim, Shude Mao, Sun-Ju Chung, Szymon Koz{\l}owski, Tianshu Wang, Weicheng Zang, Wei Zhu, Xiangyu Zhang, Yongseok Lee, Yoon-Hyun Ryu, Yossi Shvartzvald, Youn Kil Jung

arxiv:1911.02439 v1 · 2019-11-06 · astro-ph.EP · astro-ph.GA · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3ZCQPWG4BGSK3ZAASXMER5HOXT}

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	2026-07-05T00:45:13.591548Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de4507d8dc09a4ade40095d848f4eebcc525e8869efbfe436aad1504a8d85ab9

Aliases

arxiv: 1911.02439 · arxiv_version: 1911.02439v1 · doi: 10.48550/arxiv.1911.02439 · pith_short_12: 3ZCQPWG4BGSK · pith_short_16: 3ZCQPWG4BGSK3ZAA · pith_short_8: 3ZCQPWG4

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/3ZCQPWG4BGSK3ZAASXMER5HOXT \
  | 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: de4507d8dc09a4ade40095d848f4eebcc525e8869efbfe436aad1504a8d85ab9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8abe494a943fb890c17ff83378054fcbcb0f0d56f88f0db07b4a8b50a551b17b",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-11-06T15:34:16Z",
    "title_canon_sha256": "d1fe1cef98ed2af3837bb91f79326a65560b3885d9cd0a51c58d8f999dc1f0e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.02439",
    "kind": "arxiv",
    "version": 1
  }
}