Pith Number

pith:GSXCIFVS

pith:2019:GSXCIFVS3QVTEY3B4TIGF3O7RB

not attested not anchored not stored refs pending

A Consistent Set of Empirical Scaling Relations for Spiral Galaxies: The $(v_{\rm max},\,M_{\rm DM})$-$(\sigma_0,\,M_{\rm BH},\,\phi)$ Relations

Alister W. Graham, Benjamin L. Davis, Fran\c{c}oise Combes

arxiv:1901.06509 v2 · 2019-01-19 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GSXCIFVS3QVTEY3B4TIGF3O7RB}

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	2026-07-05T01:25:20.539704Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34ae2416b2dc2b326361e4d062eddf8878c0560bd6d06b2899706905253542b2

Aliases

arxiv: 1901.06509 · arxiv_version: 1901.06509v2 · doi: 10.48550/arxiv.1901.06509 · pith_short_12: GSXCIFVS3QVT · pith_short_16: GSXCIFVS3QVTEY3B · pith_short_8: GSXCIFVS

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/GSXCIFVS3QVTEY3B4TIGF3O7RB \
  | 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: 34ae2416b2dc2b326361e4d062eddf8878c0560bd6d06b2899706905253542b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8314bf8dd91be054e5d8a02fdbb169ea99f9e0e0fb03d20e890dd16c1478a6ff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-01-19T12:19:11Z",
    "title_canon_sha256": "ea5837df9ee1e05bad824ab678738d2b82267abb1b1f8cb1cd744266c7bd035c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.06509",
    "kind": "arxiv",
    "version": 2
  }
}