Pith Number

pith:DWVWOVQK

pith:2010:DWVWOVQKXYMQYHEN7XVMMSPH7L

not attested not anchored not stored refs pending

Discovery of a stellar companion to the nearby solar-analogue HD 104304

Carolina Bergfors, Carolin Schnupp, Debra Fischer, Geoff Marcy, Markus Janson, Sebastian Daemgen, Stefan Hippler, Thomas Henning, Wolfgang Brandner

arxiv:1005.0620 v1 · 2010-05-04 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DWVWOVQKXYMQYHEN7XVMMSPH7L}

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	2026-05-18T02:07:42.906895Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1dab67560abe190c1c8dfdeac649e7faf4e94b7b8831be355439664c6c6ae103

Aliases

arxiv: 1005.0620 · arxiv_version: 1005.0620v1 · doi: 10.48550/arxiv.1005.0620 · pith_short_12: DWVWOVQKXYMQ · pith_short_16: DWVWOVQKXYMQYHEN · pith_short_8: DWVWOVQK

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/DWVWOVQKXYMQYHEN7XVMMSPH7L \
  | 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: 1dab67560abe190c1c8dfdeac649e7faf4e94b7b8831be355439664c6c6ae103

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad23b4f0efb8c87add4b521bc8c6de4fd095bce75fd6f29d0469c381fa17f0bc",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-05-04T20:00:18Z",
    "title_canon_sha256": "e5c041d0e997e6cc0aa77dbc2cf62549806853a164f2ed26a533b81a5ed1bce5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.0620",
    "kind": "arxiv",
    "version": 1
  }
}