Pith Number

pith:GZVXYVYR

pith:2012:GZVXYVYRNU6OUPSFMPXUA6BTPJ

not attested not anchored not stored refs pending

Fast calculation of the Fisher matrix for cosmic microwave background experiments

Benjamin D. Wandelt, Franz Elsner

arxiv:1202.4898 v2 · 2012-02-22 · 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{GZVXYVYRNU6OUPSFMPXUA6BTPJ}

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	2026-05-18T03:59:02.840947Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

366b7c57116d3cea3e4563ef4078337a6c2aac01f64bc030c3621beda68777ad

Aliases

arxiv: 1202.4898 · arxiv_version: 1202.4898v2 · doi: 10.48550/arxiv.1202.4898 · pith_short_12: GZVXYVYRNU6O · pith_short_16: GZVXYVYRNU6OUPSF · pith_short_8: GZVXYVYR

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/GZVXYVYRNU6OUPSFMPXUA6BTPJ \
  | 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: 366b7c57116d3cea3e4563ef4078337a6c2aac01f64bc030c3621beda68777ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a4f073485b131ef20bdb977c3f048732b6eef7fd4f9ea9253848438e3063505",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-02-22T13:04:16Z",
    "title_canon_sha256": "468dc7aebe3472aca46e4e49b60dc672410b205d383ddcd05fb76441a041d421"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.4898",
    "kind": "arxiv",
    "version": 2
  }
}