Pith Number

pith:3JXP5KO4

pith:2012:3JXP5KO4SJ22JPLRT6IK3EUZTJ

not attested not anchored not stored refs pending

A systematic variation of the stellar initial mass function in early-type galaxies

Alison F. Crocker, Anne-Marie Weijmans, Davor Krajnovic, Eric Emsellem, Frederic Bournaud, Harald Kuntschner, Katherine Alatalo, Leo Blitz, Lisa M. Young, Marc Sarzi, Maxime Bois, M. Bureau, Michele Cappellari, Nicholas Scott, Paolo Serra, Pierre-Alain Duc, Pierre-Yves Lablanche, P. T. de Zeeuw, Raffaella Morganti, Richard M. McDermid, Roger L. Davies, Sadegh Khochfar, Thorsten Naab, Timothy A. Davis, Tom Oosterloo

arxiv:1202.3308 v1 · 2012-02-15 · astro-ph.CO · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3JXP5KO4SJ22JPLRT6IK3EUZTJ}

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	2026-05-18T03:57:02.673508Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da6efea9dc9275a4bd719f90ad92999a549e23cc3e2877fcf17984d8d3b58d81

Aliases

arxiv: 1202.3308 · arxiv_version: 1202.3308v1 · doi: 10.48550/arxiv.1202.3308 · pith_short_12: 3JXP5KO4SJ22 · pith_short_16: 3JXP5KO4SJ22JPLR · pith_short_8: 3JXP5KO4

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/3JXP5KO4SJ22JPLRT6IK3EUZTJ \
  | 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: da6efea9dc9275a4bd719f90ad92999a549e23cc3e2877fcf17984d8d3b58d81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e0d79b4acdd09088d6bf7624cf7563c48b30b292aa102ef9f6f420445d4c9a4",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-02-15T14:10:00Z",
    "title_canon_sha256": "149b5b9479ac1e5a3d48f87b14811834ea5b693899d7babdd504974d5be04c12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.3308",
    "kind": "arxiv",
    "version": 1
  }
}