Pith Number

pith:UG7SS7LA

pith:1999:UG7SS7LAWYS4UBYCGVZN5RFAN4

not attested not anchored not stored refs pending

New infrared object in the field of the SMC cluster NGC 330

A. Kucinskas, M. Sauvage, T. Tanab\'e, V. Vansevicius

arxiv:astro-ph/9912090 v1 · 1999-12-06 · 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{UG7SS7LAWYS4UBYCGVZN5RFAN4}

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	2026-05-18T01:09:21.317420Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1bf297d60b625ca07023572dec4a06f275436bd39db46ac2f320398e23328b0

Aliases

arxiv: astro-ph/9912090 · arxiv_version: astro-ph/9912090v1 · doi: 10.48550/arxiv.astro-ph/9912090 · pith_short_12: UG7SS7LAWYS4 · pith_short_16: UG7SS7LAWYS4UBYC · pith_short_8: UG7SS7LA

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/UG7SS7LAWYS4UBYCGVZN5RFAN4 \
  | 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: a1bf297d60b625ca07023572dec4a06f275436bd39db46ac2f320398e23328b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f01ce76fabe1c99e30ffddf8aa76dfca7f2c505fc3cba1ba0a86e50067b6c889",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-12-06T14:03:12Z",
    "title_canon_sha256": "827494afa8e3b07e9a9adbe6f1cbcfca360072f7c9118dccd0cdc87816b213aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9912090",
    "kind": "arxiv",
    "version": 1
  }
}