Pith Number

pith:MA7C2MMQ

pith:2006:MA7C2MMQNPGI3QCBSANUUBN6GG

not attested not anchored not stored refs pending

An Explanation for the Observed Weak Size Evolution of Disk Galaxies

Andrea Borch, Boris Haeussler, Catherine Heymans, Chien Y. Peng, Christian Wolf, Daniel H. McIntosh, Eric F. Bell, Hans-Walter Rix, John A. R. Caldwell, Klaus Meisenheimer, Knud Jahnke, Lutz Wisotzki, Marco Barden, Rachel S. Somerville, Sebastian F. Sanchez, Shardha Jogee, Steven V. W. Beckwith

arxiv:astro-ph/0612428 v2 · 2006-12-15 · 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{MA7C2MMQNPGI3QCBSANUUBN6GG}

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

Bulgeless Evolution And the Rise of Discs (BEARD) I. Physical drivers of the mass-size relation for Milky Way-like galaxies

Receipt and verification

First computed	2026-05-18T01:40:28.427576Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

603e2d31906bcc8dc041901b4a05be31b661d70fb4bf29882090c634baa4b62d

Aliases

arxiv: astro-ph/0612428 · arxiv_version: astro-ph/0612428v2 · doi: 10.48550/arxiv.astro-ph/0612428 · pith_short_12: MA7C2MMQNPGI · pith_short_16: MA7C2MMQNPGI3QCB · pith_short_8: MA7C2MMQ

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/MA7C2MMQNPGI3QCBSANUUBN6GG \
  | 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: 603e2d31906bcc8dc041901b4a05be31b661d70fb4bf29882090c634baa4b62d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2fab2eee45210a72ebfdde9b22425e42a60a5ff723747482750c51b639b65233",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-12-15T13:12:41Z",
    "title_canon_sha256": "aa795efd77ace930b13f1003f585e117f143cd650e8da82c44961a36183f540a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0612428",
    "kind": "arxiv",
    "version": 2
  }
}