Pith Number

pith:UDG5PKBX

pith:1997:UDG5PKBXTJABIUWLDVH3TZ2RS5

not attested not anchored not stored refs pending

GAIA and the Hunt for Extra-Solar Planets

(2) Universita' di Torino, (3) STScI), A. Sozzetti (2), A. Spagna (1), M. G. Lattanzi (1), S. Casertano (3) ((1) Osservatorio Astronomico di Torino

arxiv:astro-ph/9707019 v1 · 1997-07-02 · 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{UDG5PKBXTJABIUWLDVH3TZ2RS5}

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	2026-05-18T01:07:38.227828Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0cdd7a8379a401452cb1d4fb9e751976b1df5cb4bbac5a522e55d86dc82765a

Aliases

arxiv: astro-ph/9707019 · arxiv_version: astro-ph/9707019v1 · doi: 10.48550/arxiv.astro-ph/9707019 · pith_short_12: UDG5PKBXTJAB · pith_short_16: UDG5PKBXTJABIUWL · pith_short_8: UDG5PKBX

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/UDG5PKBXTJABIUWLDVH3TZ2RS5 \
  | 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: a0cdd7a8379a401452cb1d4fb9e751976b1df5cb4bbac5a522e55d86dc82765a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b3a5b8adc626d7aafe77dde8c0c3c53104094cfda20991defce6659ca245760",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-07-02T09:34:56Z",
    "title_canon_sha256": "3c98f4040a6b4140cae75aee557edcf445e6d4379c3beaf58c8e10696a9a3bce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9707019",
    "kind": "arxiv",
    "version": 1
  }
}