Pith Number

pith:NKB4XM54

pith:2009:NKB4XM54HSKEC6V7ZIZWBIC3K4

not attested not anchored not stored refs pending

Focusing Cosmic Telescopes: Exploring Redshift z~5-6 Galaxies with the Bullet Cluster 1E0657-56

(2) UCSB, (3) KIPAC Stanford, (4) UFlorida, (5) Ohio University, (6) CfA, (7) AIfA, (8) Steward Observatory), A. H. Gonzalez (4), Bonn, C. Jones (6), D. Applegate (3), D. Clowe (5) W. Forman (6), D. Zaritsky (8) ((1) UCDavis, M. Brada\v{c} (1), P. Marshall (2), P. Schneider (7), T. Treu (2)

arxiv:0910.2708 v1 · 2009-10-14 · 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{NKB4XM54HSKEC6V7ZIZWBIC3K4}

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	2026-05-18T02:34:18.793144Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a83cbb3bc3c94417abfca3360a05b5713e91ead0688cb7a15fb35aca61f1734

Aliases

arxiv: 0910.2708 · arxiv_version: 0910.2708v1 · doi: 10.48550/arxiv.0910.2708 · pith_short_12: NKB4XM54HSKE · pith_short_16: NKB4XM54HSKEC6V7 · pith_short_8: NKB4XM54

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/NKB4XM54HSKEC6V7ZIZWBIC3K4 \
  | 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: 6a83cbb3bc3c94417abfca3360a05b5713e91ead0688cb7a15fb35aca61f1734

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71e5c5e12a34f49a43230f1be30622b692185d0d2207e1b33979305d3a4a3373",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-10-14T20:05:41Z",
    "title_canon_sha256": "dc06a95016d96c5edc91773f93aa0b198f3739d6d81d4305f5bf35dee7dcda88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.2708",
    "kind": "arxiv",
    "version": 1
  }
}