Pith Number

pith:3C7UDTBM

pith:2018:3C7UDTBMKI5OGI5AQABQEROYMS

not attested not anchored not stored refs pending

Angular Momentum and Galaxy Formation Revisited: Scaling Relations for Disks and Bulges

Aaron J. Romanowsky, S. Michael Fall

arxiv:1808.02525 v2 · 2018-08-07 · 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{3C7UDTBMKI5OGI5AQABQEROYMS}

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.

Cited by

1 paper in Pith

Co-evolution of Supermassive Black Holes and their Host L* galaxies: implications for Milky Way and M31

Receipt and verification

First computed	2026-05-17T23:58:38.247715Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8bf41cc2c523ae323a080030245d864935d1f1cc8a2fa23c3157ba6daa15683

Aliases

arxiv: 1808.02525 · arxiv_version: 1808.02525v2 · doi: 10.48550/arxiv.1808.02525 · pith_short_12: 3C7UDTBMKI5O · pith_short_16: 3C7UDTBMKI5OGI5A · pith_short_8: 3C7UDTBM

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/3C7UDTBMKI5OGI5AQABQEROYMS \
  | 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: d8bf41cc2c523ae323a080030245d864935d1f1cc8a2fa23c3157ba6daa15683

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4a8d3be1d4a4f588c06b9af764b4541fd639b35eb2c753af1925bff210c36df",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-08-07T19:12:38Z",
    "title_canon_sha256": "f6c4866c761ea9fe03b0ed0f0089ef88dc89aba9c76b5945c9b6fda15b0dda31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.02525",
    "kind": "arxiv",
    "version": 2
  }
}