Pith Number

pith:TEWEDKPO

pith:2009:TEWEDKPOPRQZIMCTLZLHASCWYX

not attested not anchored not stored refs pending

K2: A new method for the detection of galaxy clusters based on CFHTLS multicolor images

2), 2) ((1) UVic, Canada), Canada (2) NRC-HIA, David Crampton (1, Jon Willis (1), Karun Thanjavur (1, Victoria

arxiv:0910.4358 v1 · 2009-10-22 · 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{TEWEDKPOPRQZIMCTLZLHASCWYX}

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	2026-05-18T02:34:13.089683Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

992c41a9ee7c619430535e56704856c5e7c8b9db939c7ce32753266c6cfe9554

Aliases

arxiv: 0910.4358 · arxiv_version: 0910.4358v1 · doi: 10.48550/arxiv.0910.4358 · pith_short_12: TEWEDKPOPRQZ · pith_short_16: TEWEDKPOPRQZIMCT · pith_short_8: TEWEDKPO

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/TEWEDKPOPRQZIMCTLZLHASCWYX \
  | 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: 992c41a9ee7c619430535e56704856c5e7c8b9db939c7ce32753266c6cfe9554

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "809d4dea48ef07fae2ebcc131a11cdbbf5008bbb1cf8a8012ad71d481148ca99",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-10-22T16:17:39Z",
    "title_canon_sha256": "3d500684a6ecc8178ebde0cf4f617d2f47073942eca1362d76b1dffcd62a2966"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.4358",
    "kind": "arxiv",
    "version": 1
  }
}