Pith Number

pith:FIOWD7UK

pith:2009:FIOWD7UKJZRL4HIMLCHUOSIYSC

not attested not anchored not stored refs pending

Cosmic queuing: galaxy satellites, building blocks and the hierarchical clustering paradigm

3) ((1) DAA, Argentina), Argentina; (3) Consejo Nacional de Investigaciones Cientificas y Tecnicas, Claudia del P. Lagos (1), Nelson D. Padilla (1), Pontificia Universidad Catolica de Chile; (2) FCAG, Sofia A. Cora (2, Universidad Nacional de La Plata

arxiv:0901.1879 v2 · 2009-01-13 · 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{FIOWD7UKJZRL4HIMLCHUOSIYSC}

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	2026-05-18T02:15:02.454807Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a1d61fe8a4e62be1d0c588f47491890b7c3f2541801c10b08794192df1e7d00

Aliases

arxiv: 0901.1879 · arxiv_version: 0901.1879v2 · doi: 10.48550/arxiv.0901.1879 · pith_short_12: FIOWD7UKJZRL · pith_short_16: FIOWD7UKJZRL4HIM · pith_short_8: FIOWD7UK

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/FIOWD7UKJZRL4HIMLCHUOSIYSC \
  | 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: 2a1d61fe8a4e62be1d0c588f47491890b7c3f2541801c10b08794192df1e7d00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc84b205c00ccc6e84ee840a7949afc1219637fe6c6cebf473643edb1cd448c5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-01-13T21:00:20Z",
    "title_canon_sha256": "c0d5008363d7cdb5984fb45f833b9c6a05dac199ef4592352bdd0f237675f045"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.1879",
    "kind": "arxiv",
    "version": 2
  }
}