Pith Number

pith:KV6NRXR2

pith:2009:KV6NRXR2XHVQ7UWI2GEKLHWGQW

not attested not anchored not stored refs pending

VLBI observations of Brightest Cluster Galaxies: are cooling and parsec scale morphology correlated?

E. Liuzzo, G. Giovannini, M. Giroletti

arxiv:0910.5104 v1 · 2009-10-27 · 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{KV6NRXR2XHVQ7UWI2GEKLHWGQW}

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	2026-05-18T02:11:10.978724Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

557cd8de3ab9eb0fd2c8d188a59ec68582593a5d26026876dc3ba0ff3ff9e720

Aliases

arxiv: 0910.5104 · arxiv_version: 0910.5104v1 · doi: 10.48550/arxiv.0910.5104 · pith_short_12: KV6NRXR2XHVQ · pith_short_16: KV6NRXR2XHVQ7UWI · pith_short_8: KV6NRXR2

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/KV6NRXR2XHVQ7UWI2GEKLHWGQW \
  | 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: 557cd8de3ab9eb0fd2c8d188a59ec68582593a5d26026876dc3ba0ff3ff9e720

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc0028b86c59ab62c4d93e06c47a4d22dc082d57ebf319154c45ead8bec99191",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-10-27T12:12:48Z",
    "title_canon_sha256": "9130ae8eb607716a4ddd5c0391d1aabd7b599c53852be536b6a481c18de6fa16"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.5104",
    "kind": "arxiv",
    "version": 1
  }
}