Pith Number

pith:GP3AWXAS

pith:2011:GP3AWXASGV5VSO5HLBVXPUVHNF

not attested not anchored not stored refs pending

Star Cluster Complexes and the Host Galaxy in Three HII Galaxies: Mrk 36, UM 408, and UM 461

((1) Observatorio Nacional, (2) Centro de Astrofisica da Univ. do Porto, 2) Eduardo Telles (1), (3) Instituto de Astrofisica de Andalucia, (4) Gemini Observatory/AURA, A. Nigoche-Netro (3), Brazil, Chile), Eleazar Rodrigo Carrasco (4), Granada, La Serena, Patricio Lagos (1, Portugal, Rio de Janeiro, Spain

arxiv:1109.2081 v1 · 2011-09-09 · 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{GP3AWXASGV5VSO5HLBVXPUVHNF}

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	2026-05-18T02:00:37.028991Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33f60b5c12357b593ba7586b77d2a76945d1c0cdc4e3c225fddb4e4caf3a501b

Aliases

arxiv: 1109.2081 · arxiv_version: 1109.2081v1 · doi: 10.48550/arxiv.1109.2081 · pith_short_12: GP3AWXASGV5V · pith_short_16: GP3AWXASGV5VSO5H · pith_short_8: GP3AWXAS

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/GP3AWXASGV5VSO5HLBVXPUVHNF \
  | 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: 33f60b5c12357b593ba7586b77d2a76945d1c0cdc4e3c225fddb4e4caf3a501b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30e0210b49135ec01195ed659a88ddb6d19df305f18a6a6aa11f50effbcddad1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-09-09T18:09:01Z",
    "title_canon_sha256": "e41ca4094da9abba95ab3f3c7d61248b6692eaa18c4d4a24c8f220cc46390e41"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.2081",
    "kind": "arxiv",
    "version": 1
  }
}