Pith Number

pith:FXT53ZG2

pith:2009:FXT53ZG2EBH5NPBVULJN72UYJA

not attested not anchored not stored refs pending

AGN Feedback in Galaxy Groups: the two interesting cases of AWM 4 and NGC 5044

2), (2) UC Irvine, (3) NASA/Ames Research Center, 4), (4) SETI Institute, (5) Universita' di Bologna, 6), (6) UC Santa Cruz, (7) INAF-Osservatorio Astronomico di Bologna, 8) ((1) INAF-IASF Milano, (8) INFN Bologna), David A. Buote (2), Fabio Gastaldello (1, Fabrizio Brighenti (5, Pasquale Temi (3, Stefano Ettori (7, William G. Mathews (6)

arxiv:0909.0600 v1 · 2009-09-03 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FXT53ZG2EBH5NPBVULJN72UYJA}

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	2026-05-18T02:12:00.431405Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2de7dde4da204fd6bc35a2d2dfea984803538db250bf25253dee0ece45684d58

Aliases

arxiv: 0909.0600 · arxiv_version: 0909.0600v1 · doi: 10.48550/arxiv.0909.0600 · pith_short_12: FXT53ZG2EBH5 · pith_short_16: FXT53ZG2EBH5NPBV · pith_short_8: FXT53ZG2

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/FXT53ZG2EBH5NPBVULJN72UYJA \
  | 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: 2de7dde4da204fd6bc35a2d2dfea984803538db250bf25253dee0ece45684d58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb1e3e6742fd5ba9cb6c8f1dee55ead803e8bf5bc8f092739909bee6fcd9a1de",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-09-03T08:50:48Z",
    "title_canon_sha256": "ba54320b1a80479e107f049df5630d002d0bfb2217ce287bffb35ad5a8c3c960"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.0600",
    "kind": "arxiv",
    "version": 1
  }
}