Pith Number

pith:GUNWPK73

pith:2012:GUNWPK73G6KYGFZ5AMJNE6VZ7M

not attested not anchored not stored refs pending

Comparison of the properties of two fossil groups of galaxies with the normal group NGC 6034 based on multiband imaging and optical spectroscopy

B. Clement, C. Adami, D. Russeil, F. Durret, L. Guennou, N. Clerc, O. Ilbert, S. Comeron, S. Jouvel, U. Seemann, V. LeBrun, Y. Lin

arxiv:1202.2022 v1 · 2012-02-09 · 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{GUNWPK73G6KYGFZ5AMJNE6VZ7M}

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	2026-05-18T01:58:31.724950Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

351b67abfb379583173d0312d27ab9fb3c7e1bfe5eb72cca5074d151c59c4e37

Aliases

arxiv: 1202.2022 · arxiv_version: 1202.2022v1 · doi: 10.48550/arxiv.1202.2022 · pith_short_12: GUNWPK73G6KY · pith_short_16: GUNWPK73G6KYGFZ5 · pith_short_8: GUNWPK73

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/GUNWPK73G6KYGFZ5AMJNE6VZ7M \
  | 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: 351b67abfb379583173d0312d27ab9fb3c7e1bfe5eb72cca5074d151c59c4e37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "573e68125d47882d36096f59c844702c25f9aa4039b6d4efbc355dfd4478ab0b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-02-09T15:39:19Z",
    "title_canon_sha256": "faea9259bdaf1736c6544cc8bd0557520914808fe35fbccd259af3ce1aabf1f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.2022",
    "kind": "arxiv",
    "version": 1
  }
}