Pith Number

pith:CBMRMNQB

pith:2021:CBMRMNQBHQYB2VT5MY7V2EYTID

not attested not anchored not stored refs pending

The Parameter-Level Performance of Covariance Matrix Conditioning in Cosmic Microwave Background Data Analyses

C. L. Reichardt, L. Balkenhol

arxiv:2110.03180 v2 · 2021-10-07 · 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{CBMRMNQBHQYB2VT5MY7V2EYTID}

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	2026-07-05T04:03:53.381242Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10591636013c301d567d663f5d131340e592d8953a519854c0f694e90b84b4ca

Aliases

arxiv: 2110.03180 · arxiv_version: 2110.03180v2 · doi: 10.48550/arxiv.2110.03180 · pith_short_12: CBMRMNQBHQYB · pith_short_16: CBMRMNQBHQYB2VT5 · pith_short_8: CBMRMNQB

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/CBMRMNQBHQYB2VT5MY7V2EYTID \
  | 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: 10591636013c301d567d663f5d131340e592d8953a519854c0f694e90b84b4ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c33911810521daf20252bf033134b953847fdc9bfbf513c3620535a1862a3eb",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2021-10-07T04:47:52Z",
    "title_canon_sha256": "298580c8c00e183e2def0db13d9ff4514ab8f85bbfd19d242f3267d9ff48b012"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.03180",
    "kind": "arxiv",
    "version": 2
  }
}