Pith Number

pith:JZXE7WSY

pith:2018:JZXE7WSYJGPP3I3T2CHRGPDBHV

not attested not anchored not stored refs pending

Measurement of Source Star Colors with the K2C9-CFHT Multi-color Microlensing Survey

Andrzej Udalski, Chelsea Huang, Geert Barentsen, Kyu-Ha Hwang, Matthew T Penny, Pascal Fouque, Shude Mao, Tabetha. S. Boyajian, Tianshu Wang, Weicheng Zang, Wei Zhu

arxiv:1803.09184 v1 · 2018-03-25 · 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{JZXE7WSYJGPP3I3T2CHRGPDBHV}

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	2026-05-18T00:04:49.450021Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e6e4fda58499efda373d08f133c613d7fefc333c7c0ba4393402adfdace8ed6

Aliases

arxiv: 1803.09184 · arxiv_version: 1803.09184v1 · doi: 10.48550/arxiv.1803.09184 · pith_short_12: JZXE7WSYJGPP · pith_short_16: JZXE7WSYJGPP3I3T · pith_short_8: JZXE7WSY

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/JZXE7WSYJGPP3I3T2CHRGPDBHV \
  | 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: 4e6e4fda58499efda373d08f133c613d7fefc333c7c0ba4393402adfdace8ed6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49d0fd2c113d628cdfa2fa1d26f8816e4d70bffe43140e2bee0e0074702f0f8b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-03-25T00:52:37Z",
    "title_canon_sha256": "eb3eb9fc194c94021b420ed1a9b295828c5668b0c7ecd9eb22f8d30213cafbf7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.09184",
    "kind": "arxiv",
    "version": 1
  }
}