Pith Number

pith:6W34TJXY

pith:2007:6W34TJXYXNMTLPXWU7FJGLZQS2

not attested not anchored not stored refs pending

Scaling Relations of Spiral Galaxies

A. A. Dutton, A. Dekel, Caltech, D. A. Dale (Queen's University, D. H. McIntosh, F. van den Bosch, Hebrew University, L. A. MacArthur, MPIA, S. Courteau, UCSC, UMASS, University of Wyoming)

arxiv:0708.0422 v1 · 2007-08-02 · 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{6W34TJXYXNMTLPXWU7FJGLZQS2}

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	2026-07-04T17:05:02.372437Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5b7c9a6f8bb5935bef6a7ca932f30969321f68d10ac4cf2a751b00f7d054622

Aliases

arxiv: 0708.0422 · arxiv_version: 0708.0422v1 · doi: 10.48550/arxiv.0708.0422 · pith_short_12: 6W34TJXYXNMT · pith_short_16: 6W34TJXYXNMTLPXW · pith_short_8: 6W34TJXY

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/6W34TJXYXNMTLPXWU7FJGLZQS2 \
  | 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: f5b7c9a6f8bb5935bef6a7ca932f30969321f68d10ac4cf2a751b00f7d054622

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba88a5c884cea80f75737fbc1d833952be5c62e4a6ba25e94516ea3ff0e79f91",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-08-02T21:24:37Z",
    "title_canon_sha256": "6a54c39965b6af8364788dfffa978f5793ddb5c497c18a5bad667551410d11e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0708.0422",
    "kind": "arxiv",
    "version": 1
  }
}