Pith Number

pith:UMLHBESD

pith:2009:UMLHBESDO2DTL7BYKIJKF2D6IQ

not attested not anchored not stored refs pending

Multi-wavelength study of X-ray luminous clusters at z ~ 0.3 I. Star formation activity of cluster galaxies

3), A. Biviano (2), BC, Canada), D. Pierini (1), F. G. Braglia (1, Garching, Germany; (2) INAF-Osservatorio Astronomico di Trieste, H. Boehringer (1) ((1) Max-Planck-Institut fuer extraterrestrische Physik, Italy; (3) University of British Columbia, Trieste, Vancouver

arxiv:0902.1534 v1 · 2009-02-09 · 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{UMLHBESDO2DTL7BYKIJKF2D6IQ}

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	2026-05-18T02:14:48.609627Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a316709243768735fc385212a2e87e443b3d8d12e50a44343f7d39a40c3a092d

Aliases

arxiv: 0902.1534 · arxiv_version: 0902.1534v1 · doi: 10.48550/arxiv.0902.1534 · pith_short_12: UMLHBESDO2DT · pith_short_16: UMLHBESDO2DTL7BY · pith_short_8: UMLHBESD

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/UMLHBESDO2DTL7BYKIJKF2D6IQ \
  | 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: a316709243768735fc385212a2e87e443b3d8d12e50a44343f7d39a40c3a092d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44e0f9d250da7c598f3b7f15493b47c6379b4882b310cdef35eaec96794d2654",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-02-09T21:10:37Z",
    "title_canon_sha256": "90dd96213001ed06910d67eff162803cd6cb3d678640ba7abf55d36787dec0cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.1534",
    "kind": "arxiv",
    "version": 1
  }
}