Pith Number

pith:QIQQPP2P

pith:2008:QIQQPP2P2H665CZDLHWNXA7HG6

not attested not anchored not stored refs pending

Confirmation of the remarkable compactness of massive quiescent galaxies at z~2.3: early-type galaxies did not form in a simple monolithic collapse

Bradford Holden, Daniel Magee, Danilo Marchesini, Edward Taylor, Garth Illingworth, Greg Rudnick, Marijn Franx, Mariska Kriek, Pieter van Dokkum, Ryan Quadri, Rychard Bouwens, Sune Toft

arxiv:0802.4094 v1 · 2008-02-27 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QIQQPP2P2H665CZDLHWNXA7HG6}

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	2026-05-18T04:23:10.840220Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

822107bf4fd1fdee8b2359ecdb83e737acbf314c94301c8c4149e367326e1a2c

Aliases

arxiv: 0802.4094 · arxiv_version: 0802.4094v1 · doi: 10.48550/arxiv.0802.4094 · pith_short_12: QIQQPP2P2H66 · pith_short_16: QIQQPP2P2H665CZD · pith_short_8: QIQQPP2P

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/QIQQPP2P2H665CZDLHWNXA7HG6 \
  | 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: 822107bf4fd1fdee8b2359ecdb83e737acbf314c94301c8c4149e367326e1a2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46f1bdf8fcf28b2545e5ac2863ad8eb2c8e4a4e4f4a3bc1b2609f786c36ddd44",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-02-27T21:34:01Z",
    "title_canon_sha256": "b70db1e0ff16e984f057fce80ee16b37d326474a07c069d22b4a91e9d30b1d6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0802.4094",
    "kind": "arxiv",
    "version": 1
  }
}