Pith Number

pith:D32P5Z4C

pith:2018:D32P5Z4CRIMMMDYC7TDUEGAT7U

not attested not anchored not stored refs pending

OGLE-2017-BLG-1130: The First Binary Gravitational Microlens Detected From Spitzer Only

A. Gould, A. Udalski, B.-G. Park, B. S. Gaudi, C. Beichman, C. B. Henderson, C. Han, C.-U. Lee, D.-J. Kim, D.-J. Lee, G. Bryden, H.-W. Kim, I.-G. Shin, I. Soszynski, J. C. Yee, J. Skowron, K.-H. Hwang, K. Ulaczyk, M. D. Albrow, M. K. Szymanski, M. Pawlak, P. Mroz, P. Pietrukowicz, R. Poleski, R. W. Pogge, S. Calchi Novati, S. Carey, Shude Mao, S.-J. Chung, S. Kozlowski, S.-L. Kim, S.-M. Cha, Tianshu Wang, W. Zang, W. Zhu, Y.-H. Ryu, Y. K. Jung, Y. Lee, Y. Shvartzvald

arxiv:1802.09023 v2 · 2018-02-25 · astro-ph.EP · 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{D32P5Z4CRIMMMDYC7TDUEGAT7U}

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	2026-05-18T00:13:27.512248Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ef4fee7828a18c60f02fcc7421813fd07eaf6ab58699138e95deaa55208944d

Aliases

arxiv: 1802.09023 · arxiv_version: 1802.09023v2 · doi: 10.48550/arxiv.1802.09023 · pith_short_12: D32P5Z4CRIMM · pith_short_16: D32P5Z4CRIMMMDYC · pith_short_8: D32P5Z4C

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/D32P5Z4CRIMMMDYC7TDUEGAT7U \
  | 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: 1ef4fee7828a18c60f02fcc7421813fd07eaf6ab58699138e95deaa55208944d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be2e90ac5d20aa4857ebb1753a7351c13d966ca3b94358ca7f4438ee6de65b48",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-02-25T15:32:19Z",
    "title_canon_sha256": "76d740933da594c432a4d892acae6e7cfb43f82c9cd776c8b2e48bf681a72b4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.09023",
    "kind": "arxiv",
    "version": 2
  }
}