Pith Number

pith:HLBJ3YZB

pith:2019:HLBJ3YZBCZAUSVGWAWPSLIPQQ2

not attested not anchored not stored refs pending

Pulsations of the SX Phe Star BL Camelopardalis

Ali Esamdin, Chun Hai Bai, Guo Jie Feng, Hu Biao Niu, Jian Ning Fu, Jin Zhong Liu, Peng Zong, Tao Zhi Yang, Yu Zhang

arxiv:1904.12557 v1 · 2019-04-29 · 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{HLBJ3YZBCZAUSVGWAWPSLIPQQ2}

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	2026-05-17T23:46:52.272503Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ac29de32116414954d6059f25a1f0869e81b268003b6f7193f66e3d29fa3504

Aliases

arxiv: 1904.12557 · arxiv_version: 1904.12557v1 · doi: 10.48550/arxiv.1904.12557 · pith_short_12: HLBJ3YZBCZAU · pith_short_16: HLBJ3YZBCZAUSVGW · pith_short_8: HLBJ3YZB

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/HLBJ3YZBCZAUSVGWAWPSLIPQQ2 \
  | 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: 3ac29de32116414954d6059f25a1f0869e81b268003b6f7193f66e3d29fa3504

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d49f1225e7c75bfc28ebeea137fe3ad61003398688d559606fdeeba95ab2bf5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-04-29T11:11:05Z",
    "title_canon_sha256": "7a3d6d23e54316fc2ff225b549c54d90531c9c42efd1c111173c7aa5fca9d380"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.12557",
    "kind": "arxiv",
    "version": 1
  }
}