Pith Number

pith:VKC3O4SV

pith:2012:VKC3O4SVWI2Q3N5H4BUQSX4DYM

not attested not anchored not stored refs pending

Maximum likelihood analysis of systematic errors in interferometric observations of the cosmic microwave background

Andrei Korotkov, Ata Karakci, Benjamin D. Wandelt, Emory F. Bunn, Gregory S. Tucker, Le Zhang, Paul M. Sutter, Peter Timbie

arxiv:1209.2676 v2 · 2012-09-12 · astro-ph.CO · 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{VKC3O4SVWI2Q3N5H4BUQSX4DYM}

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	2026-05-18T03:21:45.551413Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa85b77255b2350db7a7e069095f83c3249e72aaea810681e5e2a9edf0097a6d

Aliases

arxiv: 1209.2676 · arxiv_version: 1209.2676v2 · doi: 10.48550/arxiv.1209.2676 · pith_short_12: VKC3O4SVWI2Q · pith_short_16: VKC3O4SVWI2Q3N5H · pith_short_8: VKC3O4SV

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/VKC3O4SVWI2Q3N5H4BUQSX4DYM \
  | 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: aa85b77255b2350db7a7e069095f83c3249e72aaea810681e5e2a9edf0097a6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "680a8cbb68e7d6f62044a64220ab8d4aea81939dbf516a74e04382fb4c57bf48",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-09-12T17:46:10Z",
    "title_canon_sha256": "be5041728a8658200bca97850748fd8a588ba966ec6b01e68f7801cc5facfff1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.2676",
    "kind": "arxiv",
    "version": 2
  }
}