Pith Number

pith:RN4QHUGA

pith:2014:RN4QHUGAXOBIXJAMZACHT5QFE4

not attested not anchored not stored refs pending

The Cold Spot in the Cosmic Microwave Background: the Shadow of a Supervoid

Andr\'as Kov\'acs, Benjamin R. Granett, Daniel J. Farrow, Eugene A. Magnier, Istv\'an Szapudi, Jeffrey S. Morgan, John Tonry, Joseph Silk, Juan Garcia-Bellido, Nicholas Kaiser, Nigel Metcalfe, Paul Price, Peter W. Draper, Richard Wainscoat, Shaun Cole, Will Burgett, Zsolt Frei

arxiv:1406.3622 v1 · 2014-06-15 · 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{RN4QHUGAXOBIXJAMZACHT5QFE4}

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	2026-05-18T02:49:45.316529Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b7903d0c0bb828ba40cc80479f605271c3c548092cefde0c11a057961eb4971

Aliases

arxiv: 1406.3622 · arxiv_version: 1406.3622v1 · doi: 10.48550/arxiv.1406.3622 · pith_short_12: RN4QHUGAXOBI · pith_short_16: RN4QHUGAXOBIXJAM · pith_short_8: RN4QHUGA

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/RN4QHUGAXOBIXJAMZACHT5QFE4 \
  | 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: 8b7903d0c0bb828ba40cc80479f605271c3c548092cefde0c11a057961eb4971

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f16b676d72e4ac09098d24dce231b19b0eae99891fe5d5c1014d8be13440f2d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-06-15T19:36:45Z",
    "title_canon_sha256": "039b6cf2595a4af26c2de6c1e16e0257d2c6f6bf02df70a06402b3111f010a5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.3622",
    "kind": "arxiv",
    "version": 1
  }
}