Pith Number

pith:QY2XCI7D

pith:2010:QY2XCI7DEPTCZ4BHAYUGV54NND

not attested not anchored not stored refs pending

The Age Spread of Quiescent Galaxies with the NEWFIRM Medium-band Survey: Identification of the Oldest Galaxies out to z~2

A. Muzzin, D.A. Wake, D. Marchesini, G. Brammer, G.D. Illingworth, G. Rudnick, I. Labbe, K.E. Whitaker, K.-S. Lee, M. Franx, M. Kriek, P.G. van Dokkum, R. Bezanson, R.F. Quadri

arxiv:1006.5453 v1 · 2010-06-28 · 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{QY2XCI7DEPTCZ4BHAYUGV54NND}

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	2026-05-18T02:06:34.744429Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86357123e323e62cf02706286af78d68fd0fbf4eab35d97272206e9c936ca769

Aliases

arxiv: 1006.5453 · arxiv_version: 1006.5453v1 · doi: 10.48550/arxiv.1006.5453 · pith_short_12: QY2XCI7DEPTC · pith_short_16: QY2XCI7DEPTCZ4BH · pith_short_8: QY2XCI7D

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/QY2XCI7DEPTCZ4BHAYUGV54NND \
  | 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: 86357123e323e62cf02706286af78d68fd0fbf4eab35d97272206e9c936ca769

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37f1ad6993477afde70ddbb6d5c425996d21dce12ec2bb7b69486d0bf5b91b56",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-06-28T20:00:04Z",
    "title_canon_sha256": "e419edc0263bd4bf027965d8c30b401f7045254ab9b2b65342b3ff00bf1a6ed0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.5453",
    "kind": "arxiv",
    "version": 1
  }
}