Pith Number

pith:PUW4C6JI

pith:2009:PUW4C6JIMMYND3RSHF5GO6JHMN

not attested not anchored not stored refs pending

The Structures of Distant Galaxies - II: Diverse Galaxy Structures and Local Environments at z = 4-6; Implications for Early Galaxy Assembly

Christopher J. Conselice, Jessica Arnold

arxiv:0904.4250 v1 · 2009-04-27 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PUW4C6JIMMYND3RSHF5GO6JHMN}

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	2026-05-18T02:13:56.902732Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d2dc179286330d1ee32397a677927637a2e40e7ee3e6a2e7a804946020f74dc

Aliases

arxiv: 0904.4250 · arxiv_version: 0904.4250v1 · doi: 10.48550/arxiv.0904.4250 · pith_short_12: PUW4C6JIMMYN · pith_short_16: PUW4C6JIMMYND3RS · pith_short_8: PUW4C6JI

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/PUW4C6JIMMYND3RSHF5GO6JHMN \
  | 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: 7d2dc179286330d1ee32397a677927637a2e40e7ee3e6a2e7a804946020f74dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82af23f3446de0aefe3dd21f7d0ae2e69ec70e488218eee09b45a5a09285284f",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-04-27T20:00:23Z",
    "title_canon_sha256": "e4cd2ca5610c4a9c3588998638ec7ce7faa85de93a61f9b9c2a4a8e030a693db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.4250",
    "kind": "arxiv",
    "version": 1
  }
}