Pith Number

pith:7SBCNOII

pith:2010:7SBCNOIIRAUIY7JCYRJBBTMHAY

not attested not anchored not stored refs pending

Ellipsoidal primary of the RS CVn binary zeta And: Investigation using high-resolution spectroscopy and optical interferometry

H. Korhonen (ESO), K.G. Strassmeier (AIP), M. Wittkowski (ESO), T. Hackman (Helsinki), Th. Granzer (AIP), Zs. Kovari (Konkoly)

arxiv:1002.4201 v1 · 2010-02-22 · 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{7SBCNOIIRAUIY7JCYRJBBTMHAY}

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	2026-05-18T02:08:57.994738Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc8226b90888288c7d22c45210cd87063f9a8307de616dce8c0540946ee4e65e

Aliases

arxiv: 1002.4201 · arxiv_version: 1002.4201v1 · doi: 10.48550/arxiv.1002.4201 · pith_short_12: 7SBCNOIIRAUI · pith_short_16: 7SBCNOIIRAUIY7JC · pith_short_8: 7SBCNOII

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/7SBCNOIIRAUIY7JCYRJBBTMHAY \
  | 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: fc8226b90888288c7d22c45210cd87063f9a8307de616dce8c0540946ee4e65e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eec0f659ed7c8980f7e5b1444823028180a07ec499863f9a3cde63566a236ec5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-02-22T21:07:29Z",
    "title_canon_sha256": "dc23b442f18dc8ecd7ee3acbf5a5765321d21652fc18b11951ddceec33bd0f59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.4201",
    "kind": "arxiv",
    "version": 1
  }
}