Pith Number

pith:IMYSM4K2

pith:2018:IMYSM4K2D5PFVWJM4XT64RNGIE

not attested not anchored not stored refs pending

The XXL Survey: XXXI. Classification and host galaxy properties of 2.1 GHz ATCA XXL-S radio sources

Andrew Butler, Anna Kapinska, Chris Lidman, Ivan Delvecchio, Jacinta Delhaize, Manolis Plionis, Marguerite Pierre, Minh Huynh, Nika Jurlin, Paolo Ciliegi, Shantanu Desai, Sotiria Fotopoulou, Vernesa Smolcic

arxiv:1804.05983 v1 · 2018-04-16 · 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{IMYSM4K2D5PFVWJM4XT64RNGIE}

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	2026-05-18T00:00:21.528200Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

433126715a1f5e5ad92ce5e7ee45a64122f007096b5288da5d440f57dfd1e751

Aliases

arxiv: 1804.05983 · arxiv_version: 1804.05983v1 · doi: 10.48550/arxiv.1804.05983 · pith_short_12: IMYSM4K2D5PF · pith_short_16: IMYSM4K2D5PFVWJM · pith_short_8: IMYSM4K2

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/IMYSM4K2D5PFVWJM4XT64RNGIE \
  | 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: 433126715a1f5e5ad92ce5e7ee45a64122f007096b5288da5d440f57dfd1e751

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58ad1867cbcbc66dd356d839a372e0344e5ac74d07ef6dd18f43f1746734d1ba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-04-16T23:39:39Z",
    "title_canon_sha256": "7aeb22e1b7a10fd4bcaf53cacc8dfc1e057fc72e2924b5cb56591295c836ee70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.05983",
    "kind": "arxiv",
    "version": 1
  }
}