Pith Number

pith:5CIY4MXJ

pith:2019:5CIY4MXJ4ULFY6RZ7UBBYNC2PT

not attested not anchored not stored refs pending

An optical and X-ray study of the contact binary, BH Cassiopeiae

Ali Esamdin, Chin-Ping Hu, Chunhai Bai, Hubiao Niu, Jie Zheng, Jinzhong Liu, Juanjuan Ren, Junbo Zhang, Junhui Liu, Liang Ge, Tingting Chen, Yu Zhang, Zixi Li

arxiv:1906.01817 v3 · 2019-06-05 · astro-ph.SR · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5CIY4MXJ4ULFY6RZ7UBBYNC2PT}

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	2026-05-17T23:41:07.956847Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8918e32e9e5165c7a39fd021c345a7ccfc2abf20c8c19434c2a3a809b8b96e9

Aliases

arxiv: 1906.01817 · arxiv_version: 1906.01817v3 · doi: 10.48550/arxiv.1906.01817 · pith_short_12: 5CIY4MXJ4ULF · pith_short_16: 5CIY4MXJ4ULFY6RZ · pith_short_8: 5CIY4MXJ

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/5CIY4MXJ4ULFY6RZ7UBBYNC2PT \
  | 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: e8918e32e9e5165c7a39fd021c345a7ccfc2abf20c8c19434c2a3a809b8b96e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dbc3535e67530c08e3e358800aebd1027e72ea88822e1780ee515609b0bca73e",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-06-05T04:22:34Z",
    "title_canon_sha256": "b89593f5052d4388789cbe5e51fbcb51452303ebd8e8bb04f814e5b32bdadc0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.01817",
    "kind": "arxiv",
    "version": 3
  }
}