Pith Number

pith:DFG5USCD

pith:1998:DFG5USCDN2FIZVC466QPTAIWJH

not attested not anchored not stored refs pending

Distances from the Correlation between Galaxy Luminosities and Rotation Rates

R. Brent Tully

arxiv:astro-ph/9809394 v1 · 1998-09-30 · 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{DFG5USCDN2FIZVC466QPTAIWJH}

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	2026-05-18T01:21:49.828475Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

194dda48436e8a8cd45cf7a0f9811649c15d2ebc19bdec3ebf4b678eedfb7039

Aliases

arxiv: astro-ph/9809394 · arxiv_version: astro-ph/9809394v1 · doi: 10.48550/arxiv.astro-ph/9809394 · pith_short_12: DFG5USCDN2FI · pith_short_16: DFG5USCDN2FIZVC4 · pith_short_8: DFG5USCD

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/DFG5USCDN2FIZVC466QPTAIWJH \
  | 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: 194dda48436e8a8cd45cf7a0f9811649c15d2ebc19bdec3ebf4b678eedfb7039

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36b87a8966845725ddeae132d9ac8846b420d99901ee6f56d9472f68a5d6f2e6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-09-30T21:41:56Z",
    "title_canon_sha256": "2cb6d6782aa15fba5bb2fad8ea817675d68c1665599c91a08567e526f5759e66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9809394",
    "kind": "arxiv",
    "version": 1
  }
}