Pith Number

pith:37UCGU62

pith:2009:37UCGU62BEJDFYNRGM2557FZHW

not attested not anchored not stored refs pending

Substructure of the galaxy clusters in the REXCESS sample: observed statistics and comparison to numerical simulations

G.W. Pratt, H. Boehringer, J.H. Croston, K. Dolag, M. Arnaud, R.F. Temple, S. Ameglio, S. Borgani, T.J. Ponman

arxiv:0912.4667 v1 · 2009-12-23 · astro-ph.CO · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{37UCGU62BEJDFYNRGM2557FZHW}

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	2026-05-18T02:10:14.129723Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dfe82353da091232e1b13335defcb93dbfadba52508d8bebac1e7412e3edb784

Aliases

arxiv: 0912.4667 · arxiv_version: 0912.4667v1 · doi: 10.48550/arxiv.0912.4667 · pith_short_12: 37UCGU62BEJD · pith_short_16: 37UCGU62BEJDFYNR · pith_short_8: 37UCGU62

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/37UCGU62BEJDFYNRGM2557FZHW \
  | 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: dfe82353da091232e1b13335defcb93dbfadba52508d8bebac1e7412e3edb784

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "515716a4f97650742cc0b2dc26e9b4fe15e669592d24d740e1900beac21b2758",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-12-23T15:50:00Z",
    "title_canon_sha256": "8afa9c46dd5a510019049ffa032e659a30dc6a55672545b7438655cc5984e6f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.4667",
    "kind": "arxiv",
    "version": 1
  }
}