Pith Number

pith:RTOXFTHP

pith:2011:RTOXFTHPZUDD7WHK5KWNQ7ZOKG

not attested not anchored not stored refs pending

Velocity Dispersions and Stellar Populations of the Most Compact and Massive Early-Type Galaxies at Redshift ~1

Angela Hempel, Guillermo Barro, Ignacio Trujillo, Javier Cenarro, Jesus Gallego, Jesus Martinez-Manso, Marc Balcells, Mercedes Prieto, Nicolas Cardiel, Pablo Perez-Gonzalez, Patricia Sanchez-Blazquez, Rafael Guzman

arxiv:1107.4640 v1 · 2011-07-22 · 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{RTOXFTHPZUDD7WHK5KWNQ7ZOKG}

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	2026-05-18T02:01:11.078659Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8cdd72ccefcd063fd8eaeaacd87f2e5196077961f736324e9a64360f221cb399

Aliases

arxiv: 1107.4640 · arxiv_version: 1107.4640v1 · doi: 10.48550/arxiv.1107.4640 · pith_short_12: RTOXFTHPZUDD · pith_short_16: RTOXFTHPZUDD7WHK · pith_short_8: RTOXFTHP

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/RTOXFTHPZUDD7WHK5KWNQ7ZOKG \
  | 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: 8cdd72ccefcd063fd8eaeaacd87f2e5196077961f736324e9a64360f221cb399

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff9fdb37a1afcd6611975f240e2019b3c657164cc7d3e8df004ca007f0e27ec2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-07-22T22:58:13Z",
    "title_canon_sha256": "60671683ece4f66fe4f9c9d91a01e72908b4ea621936a0f37e00b60704fd80e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.4640",
    "kind": "arxiv",
    "version": 1
  }
}