Pith Number

pith:XTFPYIAX

pith:2018:XTFPYIAXESM7PKBZQO6NFYFG5E

not attested not anchored not stored refs pending

The XXL Survey XXXII. Spatial clustering of the XXL-S AGN

C. Adami, C. Lidman, E. Koulouridis, F. Pacaud, L. Chiappetti, L. Faccioli, L.Koutoulidis, L. Moscardini, M. Pierre, M. Plionis, S. Fotopoulou, S. Paltani

arxiv:1804.06409 v1 · 2018-04-17 · 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{XTFPYIAXESM7PKBZQO6NFYFG5E}

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	2026-05-18T00:00:21.520358Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bccafc20172499f7a83983bcd2e0a6e901d738e625d737dd6b5d598ceffbe8fc

Aliases

arxiv: 1804.06409 · arxiv_version: 1804.06409v1 · doi: 10.48550/arxiv.1804.06409 · pith_short_12: XTFPYIAXESM7 · pith_short_16: XTFPYIAXESM7PKBZ · pith_short_8: XTFPYIAX

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/XTFPYIAXESM7PKBZQO6NFYFG5E \
  | 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: bccafc20172499f7a83983bcd2e0a6e901d738e625d737dd6b5d598ceffbe8fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "927426371fc80ff9cec846270087d65bad1e33d7d984e253ffd3379e623cbdc9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-04-17T15:56:10Z",
    "title_canon_sha256": "cac8a73efc3a073d3333877ee203e7e0b800c87da857aeb4860d47041a019c66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.06409",
    "kind": "arxiv",
    "version": 1
  }
}