Pith Number

pith:LA3RPRM3

pith:2009:LA3RPRM3MXLXNCCHH4CDKM3DLD

not attested not anchored not stored refs pending

The Effect of Mass Ratio on the Morphology and Time-scales of Disc Galaxy Mergers

Jennifer M. Lotz (NOAO), Joel R. Primack (UCSC), Patrik Jonsson (UCSC), T.J. Cox (Harvard-Smithsonian Center for Astrophysics)

arxiv:0912.1590 v1 · 2009-12-08 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LA3RPRM3MXLXNCCHH4CDKM3DLD}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:10:25.575666Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

583717c59b65d77688473f0435336358ed582c3e9558843416942c9d6181d54e

Aliases

arxiv: 0912.1590 · arxiv_version: 0912.1590v1 · doi: 10.48550/arxiv.0912.1590 · pith_short_12: LA3RPRM3MXLX · pith_short_16: LA3RPRM3MXLXNCCH · pith_short_8: LA3RPRM3

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/LA3RPRM3MXLXNCCHH4CDKM3DLD \
  | 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: 583717c59b65d77688473f0435336358ed582c3e9558843416942c9d6181d54e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14e5c83232ff7692ac9a2460705815eeb2ad076c93070b3a0b356bdd073a0a6a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-12-08T21:00:07Z",
    "title_canon_sha256": "66d87cefd1fa8211e149c560827967aa39cad22772de69fe9670b22b985aab35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.1590",
    "kind": "arxiv",
    "version": 1
  }
}