Pith Number

pith:CWL4NXDI

pith:2009:CWL4NXDIPNXIW3LLUHVRBFC642

not attested not anchored not stored refs pending

The bright galaxy population of five medium redshift clusters. II. Quantitative Galaxy Morphology

B. Ascaso, D. Bettoni, J.A.L Aguerri, M. Moles, R. S\'anchez-Janssen

arxiv:0907.0479 v1 · 2009-07-02 · 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{CWL4NXDIPNXIW3LLUHVRBFC642}

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	2026-05-18T02:13:11.074785Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1597c6dc687b6e8b6d6ba1eb10945ee681728f50f8c0dc40892f38706c85e07e

Aliases

arxiv: 0907.0479 · arxiv_version: 0907.0479v1 · doi: 10.48550/arxiv.0907.0479 · pith_short_12: CWL4NXDIPNXI · pith_short_16: CWL4NXDIPNXIW3LL · pith_short_8: CWL4NXDI

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/CWL4NXDIPNXIW3LLUHVRBFC642 \
  | 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: 1597c6dc687b6e8b6d6ba1eb10945ee681728f50f8c0dc40892f38706c85e07e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca449a28552b43198027f650628bb8e6803789db116fbc73eb211f2d975ed35c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-07-02T20:09:56Z",
    "title_canon_sha256": "7fc3931b4e597f4a69ebfb07b0329429c64127a0380c0d1be667906081ac7359"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.0479",
    "kind": "arxiv",
    "version": 1
  }
}