Pith Number

pith:SXYWKE44

pith:2009:SXYWKE44S3EFUXT3XOOQBZCZR6

not attested not anchored not stored refs pending

Brightest Cluster Galaxies and Core Gas Density in REXCESS Clusters

D. B. Haarsma, D. Pierini, G. M. Voit, G. W. Pratt, H. Boehringer, J. H. Croston, L. Leisman, M. Arnaud, M. Donahue, S. Bruch

arxiv:0911.2798 v2 · 2009-11-14 · 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{SXYWKE44S3EFUXT3XOOQBZCZR6}

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	2026-05-18T04:29:35.091016Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95f165139c96c85a5e7bbb9d00e4598f95f922ea98556d77d42462f29501e3f0

Aliases

arxiv: 0911.2798 · arxiv_version: 0911.2798v2 · doi: 10.48550/arxiv.0911.2798 · pith_short_12: SXYWKE44S3EF · pith_short_16: SXYWKE44S3EFUXT3 · pith_short_8: SXYWKE44

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/SXYWKE44S3EFUXT3XOOQBZCZR6 \
  | 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: 95f165139c96c85a5e7bbb9d00e4598f95f922ea98556d77d42462f29501e3f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb5d39baa7db537fe7bb1babd1e7053b577894aea25bfb3a22705a56389c2a6c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-11-14T19:42:10Z",
    "title_canon_sha256": "c8d4d4681059cc926f694fdbdb8837a978ce128470f5f04e87855c7ffb3284f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.2798",
    "kind": "arxiv",
    "version": 2
  }
}