Pith Number

pith:BGAASYJL

pith:2026:BGAASYJLKBR2F36U6A62YH5R2B

not attested not anchored not stored refs pending

Gaia20fnr: A binary-lens microlensing event with full orbital motion revealed by four space telescopes

A. Cassan, A.O. Simon, A. Popowicz, C. Galdies, D. A. H. Buckley, D. Reichart, E. Bachelet, E. Pak\v{s}tien\.e, E. Stonkut\.e, F.-J. Hambsch, I. Gezer, J. Majumdar, J. Merc, J. Wambsganss, J. W. Davidson Jr., J. Zdanavi\v{c}ius, K. A. Rybicki, K. Kotysz, K. Kruszy\'nska, {\L}. Wyrzykowski, M. Dominik, M. Gromadzki, M. Hundertmark, M. Jab{\l}onska, M. Larma, M. Makowska, M. Maskoli\=unas, M. Motylinski, M. Rabus, M. Radziwonowicz, M. Wicker, M. Zejmo, N. Ihanec, O. Michniewicz, P. Miko{\l}ajczyk, P. Rota, P. Trzcionkowski, P. Zieli\'nski, R. A. Street, R. Dymock, R. Figuera Jaimes, S. Awiphan, S. M. Brincat, S. Zola, T. Kvernadze, U. Jonauskait\.e, V. Bozza, V. Godunova, V. \v{C}epas, Y. Markus, Y. Tsapras, Z. Budzik

arxiv:2601.15969 v2 · 2026-01-22 · 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{BGAASYJLKBR2F36U6A62YH5R2B}

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	2026-06-24T14:15:54.687352Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

098009612b5063a2efd4f03dac1fb1d056e6519825689fe0db61a2defe2fcc95

Aliases

arxiv: 2601.15969 · arxiv_version: 2601.15969v2 · doi: 10.48550/arxiv.2601.15969 · pith_short_12: BGAASYJLKBR2 · pith_short_16: BGAASYJLKBR2F36U · pith_short_8: BGAASYJL

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/BGAASYJLKBR2F36U6A62YH5R2B \
  | 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: 098009612b5063a2efd4f03dac1fb1d056e6519825689fe0db61a2defe2fcc95

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91e37019a10d274be88cdc6dfea05508d2b4994fcb97bd02fb29dae6d07bf5c5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2026-01-22T13:50:06Z",
    "title_canon_sha256": "3a827e15c6933946d138fe32e34972983370e5df6762c798d9090f65d5d4e8bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.15969",
    "kind": "arxiv",
    "version": 2
  }
}