Pith Number

pith:UC4JKKAB

pith:2016:UC4JKKABA3VCUTICTSXP3OL7BK

not attested not anchored not stored refs pending

A search for new hot subdwarf stars by means of Virtual Observatory tools II

Ana Ulla, Carlos Rodrigo, Enrique Solano, Esther P\'erez-Fern\'andez, Raquel Oreiro

arxiv:1601.03338 v2 · 2016-01-13 · 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{UC4JKKABA3VCUTICTSXP3OL7BK}

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	2026-05-18T01:19:53.106780Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0b895280106ea2a4d029caefdb97f0aa0564cd4afc3a76d79003646f156f0a2

Aliases

arxiv: 1601.03338 · arxiv_version: 1601.03338v2 · doi: 10.48550/arxiv.1601.03338 · pith_short_12: UC4JKKABA3VC · pith_short_16: UC4JKKABA3VCUTIC · pith_short_8: UC4JKKAB

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/UC4JKKABA3VCUTICTSXP3OL7BK \
  | 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: a0b895280106ea2a4d029caefdb97f0aa0564cd4afc3a76d79003646f156f0a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "011d6eee617d1a400d66ea41af825053c731832dbe45ff4d39cbee8ba28d3d3f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-01-13T18:12:08Z",
    "title_canon_sha256": "1a2df55269e35f94fe7b72255887ede0846d06778a95d2d6c619aba0dbaf3a2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.03338",
    "kind": "arxiv",
    "version": 2
  }
}