Pith Number

pith:5YPWFH4Z

pith:2018:5YPWFH4ZJQ7DGAPRHQYB6D3LAM

not attested not anchored not stored refs pending

Photometric Investigation of the Contact Binary GU Ori with High Metallicity

Boonrucksar Soonthornthum, Li-Ying Zhu, Nian-Ping Liu, Saran Poshyachinda, Shengbang Qian, Thawicharat Sarotsakulchai, Xiao-Hui Fang, Xiao Zhou

arxiv:1812.09856 v1 · 2018-12-24 · 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{5YPWFH4ZJQ7DGAPRHQYB6D3LAM}

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	2026-05-17T23:57:26.584255Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee1f629f994c3e3301f13c301f0f6b033afb5345c9141cba40003d57c2e06714

Aliases

arxiv: 1812.09856 · arxiv_version: 1812.09856v1 · doi: 10.48550/arxiv.1812.09856 · pith_short_12: 5YPWFH4ZJQ7D · pith_short_16: 5YPWFH4ZJQ7DGAPR · pith_short_8: 5YPWFH4Z

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/5YPWFH4ZJQ7DGAPRHQYB6D3LAM \
  | 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: ee1f629f994c3e3301f13c301f0f6b033afb5345c9141cba40003d57c2e06714

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc1e96eb2eac749e5f32b5c0ff0ea7efd730f949d0dd7b177831d1236ce93bad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-12-24T07:49:22Z",
    "title_canon_sha256": "dde207554b4ca87bab259be4d3ac6fcd7ff83004b4c69fd6a7fc0f3a669fef5a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.09856",
    "kind": "arxiv",
    "version": 1
  }
}