Pith Number

pith:MPUYJ2KT

pith:2000:MPUYJ2KTYB4VQVIECPTNX7PXQE

not attested not anchored not stored refs pending

The Stellar Content and Distance of UGC 4483

A. E. Dolphin, A. Sarajedini, D. Geisler, E. K. Grebel, I. D. Karachentsev, L. Makarova, P. Guhathakurta, P. Seitzer, P. W. Hodge, V. E. Karachentseva

arxiv:astro-ph/0012471 v1 · 2000-12-22 · 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{MPUYJ2KTYB4VQVIECPTNX7PXQE}

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	2026-05-18T01:40:45.128734Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63e984e953c07958550413e6dbfdf7812575da43bcb73461afdf61baf0255b93

Aliases

arxiv: astro-ph/0012471 · arxiv_version: astro-ph/0012471v1 · doi: 10.48550/arxiv.astro-ph/0012471 · pith_short_12: MPUYJ2KTYB4V · pith_short_16: MPUYJ2KTYB4VQVIE · pith_short_8: MPUYJ2KT

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/MPUYJ2KTYB4VQVIECPTNX7PXQE \
  | 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: 63e984e953c07958550413e6dbfdf7812575da43bcb73461afdf61baf0255b93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c94edfcc6babfe70a0a85dfac6300afa766746d622ecb6515e3e35555a5213ff",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-12-22T02:15:29Z",
    "title_canon_sha256": "5180010a7f5552ed6e44d12632882aaabadfeac820c877492a345fc643b801f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0012471",
    "kind": "arxiv",
    "version": 1
  }
}