Pith Number

pith:KD2JLS4V

pith:2012:KD2JLS4VLSPN2UDXIZ74AH2OIO

not attested not anchored not stored refs pending

Newborn spheroids at high redshift: when and how did the dominant, old stars in today's massive galaxies form?

A. Dekel, B. C. Whitmore, J. A. Frogel, J. Silk, M. A. Dopita, N. P. Hathi, R. A. Windhorst, R. E. Ryan Jr, R. S. Ellis, R. W. O'Connell, S. Cohen, S. Kaviraj, S. Peirani

arxiv:1206.2360 v2 · 2012-06-11 · 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{KD2JLS4VLSPN2UDXIZ74AH2OIO}

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	2026-05-18T01:56:59.681608Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50f495cb955c9edd5077467fc01f4e43b4b32da011048099c0d1a3ea9e017c43

Aliases

arxiv: 1206.2360 · arxiv_version: 1206.2360v2 · doi: 10.48550/arxiv.1206.2360 · pith_short_12: KD2JLS4VLSPN · pith_short_16: KD2JLS4VLSPN2UDX · pith_short_8: KD2JLS4V

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/KD2JLS4VLSPN2UDXIZ74AH2OIO \
  | 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: 50f495cb955c9edd5077467fc01f4e43b4b32da011048099c0d1a3ea9e017c43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f7d006861b1cbae821d5b981cd8b0c2fadad6904da334bbeaabde06807eecf6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-06-11T20:00:34Z",
    "title_canon_sha256": "07c5b49556c0dac1d9c7965dab5541f98d28116f9976461c2dd7bc52efa52e13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.2360",
    "kind": "arxiv",
    "version": 2
  }
}