Pith Number

pith:HZ6LDXXB

pith:2009:HZ6LDXXB3RRM6NJWCBBR2OKLXW

not attested not anchored not stored refs pending

Binarity of Transit Host Stars - Implications on Planetary Parameters

C. Bergfors, F. Hormuth, M. Janson, S. Daemgen, S. Hippler, Th. Henning, W. Brandner

arxiv:0902.2179 v1 · 2009-02-12 · astro-ph.SR · astro-ph.EP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HZ6LDXXB3RRM6NJWCBBR2OKLXW}

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	2026-05-18T02:14:48.094112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e7cb1dee1dc62cf353610431d394bbd9e4362ebc3353025999fb7c8bf5d1370

Aliases

arxiv: 0902.2179 · arxiv_version: 0902.2179v1 · doi: 10.48550/arxiv.0902.2179 · pith_short_12: HZ6LDXXB3RRM · pith_short_16: HZ6LDXXB3RRM6NJW · pith_short_8: HZ6LDXXB

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/HZ6LDXXB3RRM6NJWCBBR2OKLXW \
  | 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: 3e7cb1dee1dc62cf353610431d394bbd9e4362ebc3353025999fb7c8bf5d1370

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4145e65fb5c6d32617522a087afd7ce930dfac757ed12fe8abc7f4b8fdb7173",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-02-12T17:51:27Z",
    "title_canon_sha256": "bf64dba31fc9740e390df5ec6686809996d8ba2792d0b1d3940cc46972adda8e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.2179",
    "kind": "arxiv",
    "version": 1
  }
}