Pith Number

pith:Q5A42CFA

pith:2011:Q5A42CFAPFPMT4DEN2H2FQMLZK

not attested not anchored not stored refs pending

Internal dynamics of the galaxy cluster Abell 545

D. Eckert, M. Girardi, M. Rossetti, R. Barrena, S. De Grandi, W. Boschin

arxiv:1103.0679 v1 · 2011-03-03 · 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{Q5A42CFAPFPMT4DEN2H2FQMLZK}

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	2026-05-18T00:26:02.742817Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8741cd08a0795ec9f0646e8fa2c18bca93f0c519ee32114ce2790fa366108c67

Aliases

arxiv: 1103.0679 · arxiv_version: 1103.0679v1 · doi: 10.48550/arxiv.1103.0679 · pith_short_12: Q5A42CFAPFPM · pith_short_16: Q5A42CFAPFPMT4DE · pith_short_8: Q5A42CFA

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/Q5A42CFAPFPMT4DEN2H2FQMLZK \
  | 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: 8741cd08a0795ec9f0646e8fa2c18bca93f0c519ee32114ce2790fa366108c67

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "050575cc0da0fa94b4a555d75b1e35655496fea67cb09de50114b68bef0ddc2f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-03-03T13:30:52Z",
    "title_canon_sha256": "053257f5da3ffd7558d0c4010fb67a49aa66edc87607b9008806d28f4b566953"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.0679",
    "kind": "arxiv",
    "version": 1
  }
}