Pith Number

pith:DXQLHRAR

pith:2014:DXQLHRAR3Q3GUHTTUHNEZCMFQT

not attested not anchored not stored refs pending

Radial variations in the stellar initial mass function of early-type galaxies

Alexandre Vazdekis, Francesco La Barbera, Ignacio Ferreras, Ignacio Mart\'in-Navarro, Jes\'us Falc\'on-Barroso

arxiv:1404.6533 v2 · 2014-04-25 · astro-ph.GA · 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{DXQLHRAR3Q3GUHTTUHNEZCMFQT}

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	2026-05-18T02:29:45.529843Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1de0b3c411dc366a1e73a1da4c898584d7c7498f9621db8f517f787317df1c5a

Aliases

arxiv: 1404.6533 · arxiv_version: 1404.6533v2 · doi: 10.48550/arxiv.1404.6533 · pith_short_12: DXQLHRAR3Q3G · pith_short_16: DXQLHRAR3Q3GUHTT · pith_short_8: DXQLHRAR

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/DXQLHRAR3Q3GUHTTUHNEZCMFQT \
  | 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: 1de0b3c411dc366a1e73a1da4c898584d7c7498f9621db8f517f787317df1c5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27843d7505fb2eab5e37109d9abff44eeed3a531e057c0b49379658d08228cfa",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-04-25T20:00:18Z",
    "title_canon_sha256": "33d29d46666c1920605feaefcb6975d99aa1add68aeefa23a0b42bb384a2227c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.6533",
    "kind": "arxiv",
    "version": 2
  }
}