Pith Number

pith:WUTCQZ6O

pith:2018:WUTCQZ6OW5LVS4VB6KP2LKIP7N

not attested not anchored not stored refs pending

The XXL Survey: XXXIII. Chandra Constraints on the AGN Contamination of z > 1 XXL Galaxy Clusters

B. J. Maughan, C. H. A. Logan, C. Vignali, E. Koulouridis, F. Pacaud, J. Willis, L. Chiappetti, L. Faccioli, M. Birkinshaw, M. E. Ramos-Ceja, M. N. Bremer, M. Pierre, N. Clerc, P. Giles

arxiv:1808.04623 v1 · 2018-08-14 · astro-ph.GA · 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{WUTCQZ6OW5LVS4VB6KP2LKIP7N}

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	2026-05-18T00:00:18.536601Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5262867ceb7575972a1f29fa5a90ffb470a6487d82af88fcc3a4d9489eac727

Aliases

arxiv: 1808.04623 · arxiv_version: 1808.04623v1 · doi: 10.48550/arxiv.1808.04623 · pith_short_12: WUTCQZ6OW5LV · pith_short_16: WUTCQZ6OW5LVS4VB · pith_short_8: WUTCQZ6O

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/WUTCQZ6OW5LVS4VB6KP2LKIP7N \
  | 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: b5262867ceb7575972a1f29fa5a90ffb470a6487d82af88fcc3a4d9489eac727

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "629deb65215f9cc7e05cf34aaaba72402f057dd93eda04f28fdf3cd60a830a7c",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-08-14T10:54:05Z",
    "title_canon_sha256": "9ad19054fdef15eee1ee6f7a914ff2ff5506f1970f2f926af07a9045509a2423"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.04623",
    "kind": "arxiv",
    "version": 1
  }
}