Pith Number

pith:2PHEWIRZ

pith:2012:2PHEWIRZLKB2KDDX75NHI63N4O

not attested not anchored not stored refs pending

Multimodality in galaxy clusters from SDSS DR8: substructure and velocity distribution

A. Ahvensalmi, E. Saar, E. Tago, E. Tempel, J. Einasto, J. Vennik, L. J. Liivamagi, M. Einasto, P. Heinamaki, P. Nurmi, V. J. Martinez

arxiv:1202.4927 v1 · 2012-02-22 · 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{2PHEWIRZLKB2KDDX75NHI63N4O}

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	2026-05-18T01:58:22.384597Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3ce4b22395a83a50c77ff5a747b6de3aac481fafc0d1c3e9068932cca4e4e77

Aliases

arxiv: 1202.4927 · arxiv_version: 1202.4927v1 · doi: 10.48550/arxiv.1202.4927 · pith_short_12: 2PHEWIRZLKB2 · pith_short_16: 2PHEWIRZLKB2KDDX · pith_short_8: 2PHEWIRZ

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/2PHEWIRZLKB2KDDX75NHI63N4O \
  | 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: d3ce4b22395a83a50c77ff5a747b6de3aac481fafc0d1c3e9068932cca4e4e77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffecf106ddf83463906962f7cbbefb109a6e55016652695649e340403bc46063",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-02-22T14:51:24Z",
    "title_canon_sha256": "236e8bfca549bc2a288601b85ab8df45fbf664bb63dc122844b5e0f3efb9ccad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.4927",
    "kind": "arxiv",
    "version": 1
  }
}