Pith Number

pith:2VOSHG3P

pith:2018:2VOSHG3PUA3TSQXP5TZF2LSC23

not attested not anchored not stored refs pending

New hot subdwarf stars identified in Gaia DR2 with LAMOST DR5 spectra

Gang Zhao, Jingkun Zhao, N\'emeth P\'eter, Zhenxin Lei

arxiv:1810.09625 v2 · 2018-10-23 · 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{2VOSHG3PUA3TSQXP5TZF2LSC23}

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	2026-05-17T23:41:58.173563Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d55d239b6fa0373942efecf25d2e42d6cdbb1f32cf3c3d65df025cdf2db1f2f4

Aliases

arxiv: 1810.09625 · arxiv_version: 1810.09625v2 · doi: 10.48550/arxiv.1810.09625 · pith_short_12: 2VOSHG3PUA3T · pith_short_16: 2VOSHG3PUA3TSQXP · pith_short_8: 2VOSHG3P

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/2VOSHG3PUA3TSQXP5TZF2LSC23 \
  | 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: d55d239b6fa0373942efecf25d2e42d6cdbb1f32cf3c3d65df025cdf2db1f2f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5de2c694b7fc4fe4e694c5f8e787b20e9f8a3ea57e30f047e0e60c6ada016f6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-10-23T01:57:49Z",
    "title_canon_sha256": "efb76ff6a670950f1b782c9e18891223b0c0910ffefaf1016184d037fba75b2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.09625",
    "kind": "arxiv",
    "version": 2
  }
}