Pith Number

pith:T2NWGATX

pith:2013:T2NWGATXNP3BAJ7HCZS7OPTPWR

not attested not anchored not stored refs pending

The subdwarf B star SB 290 - A fast rotator on the extreme horizontal branch

C. Heuser, H. Edelmann, L. Classen, S. Geier, S. J. O'Toole, U. Heber

arxiv:1301.4129 v1 · 2013-01-17 · 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{T2NWGATXNP3BAJ7HCZS7OPTPWR}

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	2026-05-18T01:52:06.216327Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e9b6302776bf61027e71665f73e6fb45f5d29db20759f20e6f74adda3aee419

Aliases

arxiv: 1301.4129 · arxiv_version: 1301.4129v1 · doi: 10.48550/arxiv.1301.4129 · pith_short_12: T2NWGATXNP3B · pith_short_16: T2NWGATXNP3BAJ7H · pith_short_8: T2NWGATX

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/T2NWGATXNP3BAJ7HCZS7OPTPWR \
  | 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: 9e9b6302776bf61027e71665f73e6fb45f5d29db20759f20e6f74adda3aee419

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e38e322af5afaeefd7ca409511ed40b2839ab5781248232ecae1405cf6e1194",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-01-17T15:46:08Z",
    "title_canon_sha256": "0877ab9f4a81dc3d8dcd9c1f2321b6d8803d7ecac3818bdac84c4012f1af7cf4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.4129",
    "kind": "arxiv",
    "version": 1
  }
}