Pith Number

pith:2VDPZBEL

pith:2010:2VDPZBEL33G6TBZFZ2VEZ6EUKK

not attested not anchored not stored refs pending

DI Her as a test of internal stellar structure and General Relativity: New apsidal motion rate and evolutionary models

A. Claret (1), Charles University Prague, Czech Republic), G. Torres (2), M. Wolf (3) ((1) Instituto de Astrofisica de Andalucia, Spain; (2) Harvard-Smithsonian Center for Astrophysics, USA; (3) Astronomical Institute

arxiv:1002.2949 v1 · 2010-02-15 · 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{2VDPZBEL33G6TBZFZ2VEZ6EUKK}

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	2026-05-18T02:09:08.060545Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d546fc848bdecde98725ceaa4cf89452b34a001f1eeeb3a57ee8bf8aa83edbb6

Aliases

arxiv: 1002.2949 · arxiv_version: 1002.2949v1 · doi: 10.48550/arxiv.1002.2949 · pith_short_12: 2VDPZBEL33G6 · pith_short_16: 2VDPZBEL33G6TBZF · pith_short_8: 2VDPZBEL

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/2VDPZBEL33G6TBZFZ2VEZ6EUKK \
  | 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: d546fc848bdecde98725ceaa4cf89452b34a001f1eeeb3a57ee8bf8aa83edbb6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd8508eb671d228cbd07e843c93a6c0ddeacb4f0740beb8f337c851f417cbb5b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-02-15T21:02:08Z",
    "title_canon_sha256": "3598cfe51e29afc6f78e049676c7c1b62ee77d87dfcd7b018d00c1fd883f48d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.2949",
    "kind": "arxiv",
    "version": 1
  }
}