Pith Number

pith:OD2HBLBR

pith:2013:OD2HBLBRMUHBN5GZJLINQCN3VF

not attested not anchored not stored refs pending

On the new late B- and early A-type periodic variable stars

Fabio Barblan, Laurent Eyer, Nami Mowlavi, Sophie Saesen

arxiv:1309.6612 v2 · 2013-09-25 · 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{OD2HBLBRMUHBN5GZJLINQCN3VF}

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	2026-05-18T01:47:26.645754Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70f470ac31650e16f4d94ad0d809bba97463e6ece64616f42a8bba44ac40819a

Aliases

arxiv: 1309.6612 · arxiv_version: 1309.6612v2 · doi: 10.48550/arxiv.1309.6612 · pith_short_12: OD2HBLBRMUHB · pith_short_16: OD2HBLBRMUHBN5GZ · pith_short_8: OD2HBLBR

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/OD2HBLBRMUHBN5GZJLINQCN3VF \
  | 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: 70f470ac31650e16f4d94ad0d809bba97463e6ece64616f42a8bba44ac40819a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d70648333bbf8b414e882c6cc339c47513b06af5c37097a33d75b3dd3612a7a7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-09-25T19:06:38Z",
    "title_canon_sha256": "f4c5ae4acc4d94a1be79ac20dd4a98893f74a1888188c3a85da0abbd2c7b120e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.6612",
    "kind": "arxiv",
    "version": 2
  }
}