Pith Number

pith:ZG5PPZBT

pith:2009:ZG5PPZBTZRMH7ZGXORHLCEJ2YE

not attested not anchored not stored refs pending

Why are there strong radio AGNs in the center of "non-cool core" clusters?

Ming Sun

arxiv:0910.0857 v1 · 2009-10-05 · astro-ph.CO · astro-ph.GA · 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{ZG5PPZBTZRMH7ZGXORHLCEJ2YE}

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	2026-05-18T02:11:26.524872Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9baf7e433cc587fe4d7744eb1113ac133c0e99a897e0743b7e8207be977413e

Aliases

arxiv: 0910.0857 · arxiv_version: 0910.0857v1 · doi: 10.48550/arxiv.0910.0857 · pith_short_12: ZG5PPZBTZRMH · pith_short_16: ZG5PPZBTZRMH7ZGX · pith_short_8: ZG5PPZBT

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/ZG5PPZBTZRMH7ZGXORHLCEJ2YE \
  | 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: c9baf7e433cc587fe4d7744eb1113ac133c0e99a897e0743b7e8207be977413e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35384422d8727f1c042dddc9d52b947b38076ab4e7da4633bf31d411e48fdde8",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-10-05T20:25:58Z",
    "title_canon_sha256": "f760caeccf76a629ada65ca4f2bfcd546068e6c77829b9ae095ce520ee976bf0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.0857",
    "kind": "arxiv",
    "version": 1
  }
}