Pith Number

pith:G4ZQOYYH

pith:2009:G4ZQOYYHW2ZSBCAHGJTMGWMBWG

not attested not anchored not stored refs pending

Spiral-like structure in nearby clusters of galaxies

Felipe Andrade-Santos, Gastao B. Lima Neto, Tatiana F. Lagana

arxiv:0911.3785 v2 · 2009-11-19 · 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{G4ZQOYYHW2ZSBCAHGJTMGWMBWG}

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.

Cited by

1 paper in Pith

XRISM Reveals a Kinematically Coherent Core System of the Nearby Cool-Core Cluster Abell 2199

Receipt and verification

First computed	2026-07-04T17:22:14.881591Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3733076307b6b32088073266c35981b1afae721a985d0bb30da2ed11611c24b5

Aliases

arxiv: 0911.3785 · arxiv_version: 0911.3785v2 · doi: 10.48550/arxiv.0911.3785 · pith_short_12: G4ZQOYYHW2ZS · pith_short_16: G4ZQOYYHW2ZSBCAH · pith_short_8: G4ZQOYYH

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/G4ZQOYYHW2ZSBCAHGJTMGWMBWG \
  | 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: 3733076307b6b32088073266c35981b1afae721a985d0bb30da2ed11611c24b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "abd38585f611ac9c6fdac2d116aacd82b5daadee58807302a89b444af31f8b16",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-11-19T13:15:16Z",
    "title_canon_sha256": "0726c079e523b5d8677eb6ceeabde0636fe84128f3734593de4ff7cd37ed0b74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.3785",
    "kind": "arxiv",
    "version": 2
  }
}