Pith Number

pith:7XDABV5B

pith:2004:7XDABV5B6GWBRROG2MO6XLMGI7

not attested not anchored not stored refs pending

The nearest cool white dwarf (d~4pc), the coolest M-type subdwarf (sdM9.5), and other high proper motion discoveries

(2) MPE Garching), H. Zinnecker (1) ((1) Astrophysikalisches Institut Potsdam, I. Lehmann (2), I. Matute (2), R.-D. Scholz (1)

arxiv:astro-ph/0406457 v1 · 2004-06-21 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7XDABV5B6GWBRROG2MO6XLMGI7}

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	2026-07-04T16:44:03.247208Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdc600d7a1f1ac18c5c6d31debad8647d90dc3dc8eee31e9b550684987f0bd72

Aliases

arxiv: astro-ph/0406457 · arxiv_version: astro-ph/0406457v1 · doi: 10.48550/arxiv.astro-ph/0406457 · pith_short_12: 7XDABV5B6GWB · pith_short_16: 7XDABV5B6GWBRROG · pith_short_8: 7XDABV5B

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/7XDABV5B6GWBRROG2MO6XLMGI7 \
  | 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: fdc600d7a1f1ac18c5c6d31debad8647d90dc3dc8eee31e9b550684987f0bd72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43a3e72b604ddaa9bd4737be4143b3ba26f2f478aec071730ab07f265b62812d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-06-21T12:38:42Z",
    "title_canon_sha256": "0d2e0062e82b851d04c96bec461161b4f151697a2a0c84a45c7da0ff837f075c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0406457",
    "kind": "arxiv",
    "version": 1
  }
}