Pith Number

pith:N42VUPOZ

pith:2013:N42VUPOZXURTQRM55EXUVWEC7Q

not attested not anchored not stored refs pending

A low-mass cut-off near the hydrogen burning limit for Salpeter-like initial mass functions in early-type galaxies

2), (2) NBIA, (3) Kapteyn, (4) IfA Vienna, (5) UCSB), Chiara Spiniello (3), L\'eon V. E. Koopmans (3), Matteo Barnab\`e (1, Oliver Czoske (4), Scott C. Trager (3), Tommaso Treu (5) ((1) DARK

arxiv:1306.2635 v3 · 2013-06-11 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N42VUPOZXURTQRM55EXUVWEC7Q}

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	2026-05-18T01:49:23.543391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f355a3dd9bd2338459de92f4ad882fc2ea4e84c861c581cc3ac58f766f57f27

Aliases

arxiv: 1306.2635 · arxiv_version: 1306.2635v3 · doi: 10.48550/arxiv.1306.2635 · pith_short_12: N42VUPOZXURT · pith_short_16: N42VUPOZXURTQRM5 · pith_short_8: N42VUPOZ

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/N42VUPOZXURTQRM55EXUVWEC7Q \
  | 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: 6f355a3dd9bd2338459de92f4ad882fc2ea4e84c861c581cc3ac58f766f57f27

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f7a38fa9375b863e7cd6e3aab4d1c21477d9331cfde79a6459d6054e5d1af15",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-06-11T20:00:01Z",
    "title_canon_sha256": "da0b5e885b314425d89dae7d683d8906d03967444cbd5ee0be1755287e54789f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.2635",
    "kind": "arxiv",
    "version": 3
  }
}