Pith Number

pith:PDWVI3KJ

pith:2021:PDWVI3KJGKHQ6VRPRDCKB6YXOR

not attested not anchored not stored refs pending

SPIDERS: An Overview of The Largest Catalogue of Spectroscopically Confirmed X-ray Galaxy Clusters

A. E. Kukkola, A. Finoguenov, A. Gueguen, A. Merloni, A. Saro, C. C. Kirkpatrick, C. Collins, D. P. Schneider, E. Rykoff, G. A. Mamon, G. Erfanianfar, J. Comparat, J. Ider Chitham, J. R. Brownstein, K. Furnell, N. Clerc, N. Padilla, R. Capasso, S. Damsted

arxiv:2101.04695 v1 · 2021-01-12 · 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{PDWVI3KJGKHQ6VRPRDCKB6YXOR}

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	2026-07-05T02:33:26.976506Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78ed546d49328f0f562f88c4a0fb17744a3d23078e163c759e5ee11090d920c3

Aliases

arxiv: 2101.04695 · arxiv_version: 2101.04695v1 · doi: 10.48550/arxiv.2101.04695 · pith_short_12: PDWVI3KJGKHQ · pith_short_16: PDWVI3KJGKHQ6VRP · pith_short_8: PDWVI3KJ

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/PDWVI3KJGKHQ6VRPRDCKB6YXOR \
  | 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: 78ed546d49328f0f562f88c4a0fb17744a3d23078e163c759e5ee11090d920c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "515c1461273c0badd2e98f3972a64cd003e9e17d7a09821367a104594b96dc1e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2021-01-12T19:00:11Z",
    "title_canon_sha256": "8bc564bb5764fef97264974d7f1d7e66433dd58e54c95070511de5126c2f2179"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.04695",
    "kind": "arxiv",
    "version": 1
  }
}