Pith Number

pith:U3ZKF3L7

pith:2018:U3ZKF3L7B7SYP3IR4H7EY7H2TT

not attested not anchored not stored refs pending

Observational constraints on the physical nature of submillimetre source multiplicity: chance projections are common

Adi Zitrin, Andrew W. Blain, Anneya Golob, Caitlin M. Casey, Charles C. Steidel, Chian-Chou Chen, Christopher C. Hayward, Daniel J. B. Smith, David J. Wilner, Douglas Scott, Duncan Farrah, Eduardo Ibar, Giovanni G. Fazio, Glen Petitpas, James E. Geach, Kristen E. K. Coppin, Malcolm N. Bremer, Marcin Sawicki, Mark Gurwell, Micha{\l} J. Micha{\l}owski, Paul van der Werf, Scott C. Chapman

arxiv:1802.00452 v1 · 2018-02-01 · 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{U3ZKF3L7B7SYP3IR4H7EY7H2TT}

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	2026-05-18T00:22:22.795330Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6f2a2ed7f0fe587ed11e1fe4c7cfa9cdad19435a07b318d4c8b9373c757ac81

Aliases

arxiv: 1802.00452 · arxiv_version: 1802.00452v1 · doi: 10.48550/arxiv.1802.00452 · pith_short_12: U3ZKF3L7B7SY · pith_short_16: U3ZKF3L7B7SYP3IR · pith_short_8: U3ZKF3L7

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/U3ZKF3L7B7SYP3IR4H7EY7H2TT \
  | 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: a6f2a2ed7f0fe587ed11e1fe4c7cfa9cdad19435a07b318d4c8b9373c757ac81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3ba5f3ad5cc854a2f03f7262b6128222a5d25b7af02bb6b9b31e372d9645024",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-02-01T19:00:06Z",
    "title_canon_sha256": "c8e08f2f9a46299af43e5d7e0987807e3ba705c8292f9f2c15638d83d355e975"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.00452",
    "kind": "arxiv",
    "version": 1
  }
}