Pith Number

pith:EC2CXWWG

pith:2015:EC2CXWWG5L7OQ2QFBEYFZLCKRV

not attested not anchored not stored refs pending

Constraints on the evolutionary mechanisms of massive galaxies since $z \sim 1$ from their velocity dispersions

A. Hempel, I. Mart\'in-Navarro, I. Trujillo, J. Falc\'on-Barroso, J. Gallego, L. Peralta de Arriba, M. Balcells, N. Cardiel, P. G. P\'erez-Gonz\'alez, P. S\'anchez-Bl\'aquez, R. Guzm\'an, T. Tapia

arxiv:1504.00678 v3 · 2015-04-02 · 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{EC2CXWWG5L7OQ2QFBEYFZLCKRV}

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	2026-05-18T01:32:52.364540Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20b42bdac6eafee86a0509305cac4a8d7534fce5dde9562dddf437653af846f8

Aliases

arxiv: 1504.00678 · arxiv_version: 1504.00678v3 · doi: 10.48550/arxiv.1504.00678 · pith_short_12: EC2CXWWG5L7O · pith_short_16: EC2CXWWG5L7OQ2QF · pith_short_8: EC2CXWWG

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/EC2CXWWG5L7OQ2QFBEYFZLCKRV \
  | 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: 20b42bdac6eafee86a0509305cac4a8d7534fce5dde9562dddf437653af846f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3d98fc9af5619dd711620f28e3847423bac5db311f9d73f249a5ffaaf52b957",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-04-02T20:00:38Z",
    "title_canon_sha256": "9425d4dae45489959d6b8ccd1bd14598790500784fafe930d95c515682d67541"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.00678",
    "kind": "arxiv",
    "version": 3
  }
}