Pith Number

pith:IYAFS7OJ

pith:2008:IYAFS7OJXRNHKCCYVKT4DNAWWG

not attested not anchored not stored refs pending

The nature of dusty starburst galaxies in a rich cluster at z=0.4: the progenitors of lenticulars?

Ian Smail (Durham), J. E. Geach (Durham), Richard S. Ellis (Oxford/Caltech), Sean M. Moran (Johns Hopkins), Tommaso Treu (UCSB)

arxiv:0809.4260 v1 · 2008-09-24 · 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{IYAFS7OJXRNHKCCYVKT4DNAWWG}

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	2026-05-18T04:29:26.487757Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4600597dc9bc5a750858aaa7c1b416b1a7a4e72009cb7c7ffad2a380a8c52e3f

Aliases

arxiv: 0809.4260 · arxiv_version: 0809.4260v1 · doi: 10.48550/arxiv.0809.4260 · pith_short_12: IYAFS7OJXRNH · pith_short_16: IYAFS7OJXRNHKCCY · pith_short_8: IYAFS7OJ

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/IYAFS7OJXRNHKCCYVKT4DNAWWG \
  | 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: 4600597dc9bc5a750858aaa7c1b416b1a7a4e72009cb7c7ffad2a380a8c52e3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cce4aec14374eed3cfa329284f051a0cedb709b67a6ceaf41619aa9429ad79a6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-09-24T20:00:06Z",
    "title_canon_sha256": "2d7b337d56d3ae085a9b8fdad68ba0123b8123f35f54098db82fc887b55b14b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.4260",
    "kind": "arxiv",
    "version": 1
  }
}