Pith Number

pith:37MN5OL2

pith:2009:37MN5OL2QLE3UVORZHXM5OUOBH

not attested not anchored not stored refs pending

The Fraction of Quiescent Massive Galaxies in the Early Universe

A. Fontana, A. Grazian, E. Giallongo, E. Vanzella, F. Fiore, L. Pentericci, M. Castellano, M. Nonino, N. Menci, P. Santini, S. Cristiani, S. Salimbeni

arxiv:0901.2898 v2 · 2009-01-19 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{37MN5OL2QLE3UVORZHXM5OUOBH}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:14:56.782795Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dfd8deb97a82c9ba55d1c9eeceba8e09f6a4d1d1df527de0d25884581ba8bedf

Aliases

arxiv: 0901.2898 · arxiv_version: 0901.2898v2 · doi: 10.48550/arxiv.0901.2898 · pith_short_12: 37MN5OL2QLE3 · pith_short_16: 37MN5OL2QLE3UVOR · pith_short_8: 37MN5OL2

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/37MN5OL2QLE3UVORZHXM5OUOBH \
  | 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: dfd8deb97a82c9ba55d1c9eeceba8e09f6a4d1d1df527de0d25884581ba8bedf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d17048b4b275f2583a6402a64d79325a6b21cf0529c3dcb79778b17ae92fe339",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-01-19T17:24:41Z",
    "title_canon_sha256": "e8e601abb2f4c5c081e062652a524de693d5563df57aa0c6ae69d1291b113b5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.2898",
    "kind": "arxiv",
    "version": 2
  }
}