Pith Number

pith:J5X46RLA

pith:2017:J5X46RLAW7DQANDHVPE63HZA4V

not attested not anchored not stored refs pending

XXL Survey XXI. The environment and clustering of X-ray AGN in the XXL-South field

A. Butler, A. Elyiv, C. Adami, C. Lidman, C. Vignali, E. Koulouridis, E. Pompei, F. Finet, I. Delvecchio, J. Delhaize, J. Surdej, L. Chiappetti, M. Huynh, M. Pierre, M. Plionis, N. Baran, O. Melnyk, S. Fotopoulou, V. Smolcic

arxiv:1712.01872 v2 · 2017-12-05 · 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{J5X46RLAW7DQANDHVPE63HZA4V}

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	2026-05-18T00:00:22.239859Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f6fcf4560b7c7003467abc9ed9f20e57d4515227608f2b9332eb8134344c766

Aliases

arxiv: 1712.01872 · arxiv_version: 1712.01872v2 · doi: 10.48550/arxiv.1712.01872 · pith_short_12: J5X46RLAW7DQ · pith_short_16: J5X46RLAW7DQANDH · pith_short_8: J5X46RLA

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/J5X46RLAW7DQANDHVPE63HZA4V \
  | 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: 4f6fcf4560b7c7003467abc9ed9f20e57d4515227608f2b9332eb8134344c766

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e8606f99e9408c6329c0bad72b2932a93cb0c899dcdbcc88bae75108ce4cc6f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-12-05T19:07:49Z",
    "title_canon_sha256": "bbd63e912588f0413758b297bfca5d331470a9eadf11a2b1d59a954f741722c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.01872",
    "kind": "arxiv",
    "version": 2
  }
}