Pith Number

pith:3EC344BR

pith:2018:3EC344BR7MSDXFD6DVBXPTEQS2

not attested not anchored not stored refs pending

A VLBI receiving system for the South Pole Telescope

Andr\'e Young, Antony A. Stark, Chi H. Nguyen, Christopher Beaudoin, Christopher H. Greer, Daniel P. Marrone, David Forbes, Eugene F. Lauria, Evan Mayer, George Reiland, Jason SooHoo, John E. Carlstrom, Jonathan Weintroub, Junhan Kim, Kyle D. Massingill, Laura Vertatschitsch, Sheperd S. Doeleman, Thomas W. Folkers

arxiv:1805.09346 v2 · 2018-05-23 · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3EC344BR7MSDXFD6DVBXPTEQS2}

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	2026-05-18T00:14:21.217616Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d905be7031fb243b947e1d4377cc9096972447bdea618aba9edaf4a02c3ec30f

Aliases

arxiv: 1805.09346 · arxiv_version: 1805.09346v2 · doi: 10.48550/arxiv.1805.09346 · pith_short_12: 3EC344BR7MSD · pith_short_16: 3EC344BR7MSDXFD6 · pith_short_8: 3EC344BR

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/3EC344BR7MSDXFD6DVBXPTEQS2 \
  | 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: d905be7031fb243b947e1d4377cc9096972447bdea618aba9edaf4a02c3ec30f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "baadf9521098337884c5f33b6af26799f348333b5dee0c61565825f69264c58d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-05-23T18:00:11Z",
    "title_canon_sha256": "78e30c7ffd305f7311285550a762626457da623f9e1ec298752f3839fa69af1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.09346",
    "kind": "arxiv",
    "version": 2
  }
}