Pith Number

pith:7CTSTPK7

pith:2011:7CTSTPK7VBPUT6DX6PLINVNMHB

not attested not anchored not stored refs pending

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

A. Ulla, C. Rodr\'iguez-L\'opez, E. Solano, M. Garc\'ia-Torres, R. Oreiro, R. {\O}stensen

arxiv:1103.1596 v1 · 2011-03-08 · 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{7CTSTPK7VBPUT6DX6PLINVNMHB}

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	2026-05-18T01:09:25.683038Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8a729bd5fa85f49f877f3d686d5ac387a562586fc75f5a503972fa5c9499b5c

Aliases

arxiv: 1103.1596 · arxiv_version: 1103.1596v1 · doi: 10.48550/arxiv.1103.1596 · pith_short_12: 7CTSTPK7VBPU · pith_short_16: 7CTSTPK7VBPUT6DX · pith_short_8: 7CTSTPK7

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/7CTSTPK7VBPUT6DX6PLINVNMHB \
  | 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: f8a729bd5fa85f49f877f3d686d5ac387a562586fc75f5a503972fa5c9499b5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82fafe57810ddbfafe53dea49e373fce4c03867b5a16385b42913022b6583f6b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-03-08T18:38:37Z",
    "title_canon_sha256": "d227a1b3b4946d1e77eaf85694aa9966fda0bf93f45b4e13723e5a3a9e4752fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.1596",
    "kind": "arxiv",
    "version": 1
  }
}