Pith Number

pith:7AXTWDLQ

pith:2009:7AXTWDLQN4B7SNF6LDQRYDZJQF

not attested not anchored not stored refs pending

The Hubble Sequence beyond z=2 for Massive Galaxies: Contrasting Large Star-Forming and Compact Quiescent Galaxies

Daniel K. Magee (UCSC), Garth D. Illingworth (UCSC), Marijn Franx (Leiden), Mariska Kriek (Princeton), Pieter G. van Dokkum (Yale)

arxiv:0909.0260 v3 · 2009-09-02 · 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{7AXTWDLQN4B7SNF6LDQRYDZJQF}

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	2026-05-18T02:12:11.943834Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f82f3b0d706f03f934be58e11c0f29816a34e42bbb4cdf71f29654ca4908d197

Aliases

arxiv: 0909.0260 · arxiv_version: 0909.0260v3 · doi: 10.48550/arxiv.0909.0260 · pith_short_12: 7AXTWDLQN4B7 · pith_short_16: 7AXTWDLQN4B7SNF6 · pith_short_8: 7AXTWDLQ

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/7AXTWDLQN4B7SNF6LDQRYDZJQF \
  | 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: f82f3b0d706f03f934be58e11c0f29816a34e42bbb4cdf71f29654ca4908d197

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb6ba6d93fa54ec44ab9f9cdc8165c6b6f9a89d82c782ff901620cf03cb037fe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-09-02T18:47:44Z",
    "title_canon_sha256": "a7def06581118c063a77b8f6d7c0a7ec93b1cf2201f05cd50a7c77905fc2a04d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.0260",
    "kind": "arxiv",
    "version": 3
  }
}