Pith Number

pith:ENFTDB4J

pith:2019:ENFTDB4JHHT5ED4QYMOYXAX6TS

not attested not anchored not stored refs pending

Structure of Brightest Cluster Galaxies and Intracluster Light

A. Riffeser, B. Neureiter, C. Goessl, C. Ries, M. Kluge, M. Schmidt, N. Brosch, R. Bender, U. Hopp

arxiv:1908.08544 v2 · 2019-08-22 · 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{ENFTDB4JHHT5ED4QYMOYXAX6TS}

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	2026-07-05T01:54:41.181505Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

234b31878939e7d20f90c31d8b82fe9cbed974ca32ff32716bf1df66e2e2e059

Aliases

arxiv: 1908.08544 · arxiv_version: 1908.08544v2 · doi: 10.48550/arxiv.1908.08544 · pith_short_12: ENFTDB4JHHT5 · pith_short_16: ENFTDB4JHHT5ED4Q · pith_short_8: ENFTDB4J

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/ENFTDB4JHHT5ED4QYMOYXAX6TS \
  | 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: 234b31878939e7d20f90c31d8b82fe9cbed974ca32ff32716bf1df66e2e2e059

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d1790df9fe01ecab05d737f5a3bbb103ca4cd9668280707c9686bc1079a3d67",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-08-22T18:00:02Z",
    "title_canon_sha256": "319a54b7ae93a272dc81432818c3b76a92b716cc6724f081e2647806b4a040ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.08544",
    "kind": "arxiv",
    "version": 2
  }
}