Pith Number

pith:CXQKOZN5

pith:2017:CXQKOZN5J5IDGKSLOUS6ZGKBTZ

not attested not anchored not stored refs pending

The XXL Survey: XXII. The XXL-North spectrophotometric sample and galaxy stellar mass function in X-ray detected groups and clusters

A. Bongiorno, A. Elyiv, A. Evrard, A. Hopkins, A. Iovino, A. Robotham, B. Altieri, B. Garilli, B.M. Poggianti, B. Vulcani, C. Adami, C. Horellou, C. Lidman, C. Vignali, E. Koulouridis, F. Gastaldello, F. Pacaud, I. Baldry, I. Valtchanov, J. Liske, J. Willis, L. Chiappetti, L. Guennou, M. Birkinshaw, M. Bolzonella, M. Brown, M. E. Ramos Ceja, M. Grootes, M. Owers, M. Pierre, M. Plionis, M. Scodeggio, M. Sereno, P. Giles, R. Tuffs, S. Driver, S. Ettori, S. Fotoupoulou, S. Maurogordato, S. McGee, S. Paltani, T. Ponman, T. Sadibekova, V. Guglielmo, V. Smolvcic

arxiv:1710.04667 v1 · 2017-10-12 · 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{CXQKOZN5J5IDGKSLOUS6ZGKBTZ}

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	2026-05-18T00:00:22.391021Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15e0a765bd4f50332a4b7525ec99419e5354051f3a8963f0f251266dd233fc88

Aliases

arxiv: 1710.04667 · arxiv_version: 1710.04667v1 · doi: 10.48550/arxiv.1710.04667 · pith_short_12: CXQKOZN5J5ID · pith_short_16: CXQKOZN5J5IDGKSL · pith_short_8: CXQKOZN5

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/CXQKOZN5J5IDGKSLOUS6ZGKBTZ \
  | 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: 15e0a765bd4f50332a4b7525ec99419e5354051f3a8963f0f251266dd233fc88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "681a19758e95e3a4c4b4667d86921cdf9da10664c99e14506ca203e20ae7c4c1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-10-12T18:00:04Z",
    "title_canon_sha256": "577f26009e1ac442b344d8c35b6071f414f1df0895e36ef9279dc8b5f11748f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.04667",
    "kind": "arxiv",
    "version": 1
  }
}