Pith Number

pith:ZHPRGXYB

pith:2010:ZHPRGXYBEHLN6FBY6FJOBOFIIW

not attested not anchored not stored refs pending

Dwarf galaxies beyond our doorstep: the Centaurus A group

(2) School of Mathematics & Physics, (3) Department of Physics, (4) European Southern Observatory, (5) Research School of Astronomy & Astrophysics, A. A. Cole (2), A. Koch (3), Astronomy, Australia, Australia), Australian National University, D. Crnojevi\'c (1), E. K. Grebel (1), Garching, G. Da Costa (5), Germany, H. Jerjen (5) ((1) Astronomisches Rechen-Institut, Institute of Advanced Studies, M. Rejkuba (4), UK, University of Leicester, University of Tasmania, Zentrum fuer Astronomie der Universitaet Heidelberg

arxiv:1009.4198 v1 · 2010-09-21 · 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{ZHPRGXYBEHLN6FBY6FJOBOFIIW}

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	2026-05-18T02:05:19.041912Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9df135f0121d6df1438f152e0b8a84588b9eb19d3ce1f5febf523a6beab996b

Aliases

arxiv: 1009.4198 · arxiv_version: 1009.4198v1 · doi: 10.48550/arxiv.1009.4198 · pith_short_12: ZHPRGXYBEHLN · pith_short_16: ZHPRGXYBEHLN6FBY · pith_short_8: ZHPRGXYB

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/ZHPRGXYBEHLN6FBY6FJOBOFIIW \
  | 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: c9df135f0121d6df1438f152e0b8a84588b9eb19d3ce1f5febf523a6beab996b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64511fc89f70a69074bcba45db978e6613b749de809d08d126c737e1c59736a0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-09-21T20:01:15Z",
    "title_canon_sha256": "362ef02db2569510abd021ae1ced3c043aac77bf8c29af74daf903bf67c638c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.4198",
    "kind": "arxiv",
    "version": 1
  }
}