Pith Number

pith:S46BMQNS

pith:2018:S46BMQNS5CZ7QEGYW2VN6KN4SG

not attested not anchored not stored refs pending

Evolution of the UV upturn in cluster galaxies: Abell 1689

(2) FINCA, Finland), Malcolm N. Bremer (1), Roberto De Propris (2) ((1) H. H. Wills Physics Laboratory, Sadman S. Ali (1), Steven Phillipps (1), UK, University of Bristol, University of Turku

arxiv:1805.01472 v1 · 2018-05-03 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S46BMQNS5CZ7QEGYW2VN6KN4SG}

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	2026-05-18T00:15:54.212926Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

973c1641b2e8b3f810d8b6aadf29bc91a9508c6540bb4aa75c0e87b06b49a430

Aliases

arxiv: 1805.01472 · arxiv_version: 1805.01472v1 · doi: 10.48550/arxiv.1805.01472 · pith_short_12: S46BMQNS5CZ7 · pith_short_16: S46BMQNS5CZ7QEGY · pith_short_8: S46BMQNS

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/S46BMQNS5CZ7QEGYW2VN6KN4SG \
  | 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: 973c1641b2e8b3f810d8b6aadf29bc91a9508c6540bb4aa75c0e87b06b49a430

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3270cf566e2854116ac8e2f68fca320b4e679e1d99e2827993bc3cc42bec58f5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-05-03T18:00:01Z",
    "title_canon_sha256": "320c898eb031a5793f279af7d475cb91c81c7fcea226f20104598803d776cf30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.01472",
    "kind": "arxiv",
    "version": 1
  }
}