Pith Number

pith:YGI6BOVV

pith:2018:YGI6BOVVDCJAM6FZIHJYQY2TPY

not attested not anchored not stored refs pending

Iterative map-making with two-level preconditioning for polarized Cosmic Microwave Background data sets

Carlo Baccigalupi, Davide Poletti, Giulio Fabbian, Giuseppe Puglisi, Luca Heltai, Radek Stompor

arxiv:1801.08937 v2 · 2018-01-26 · 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{YGI6BOVVDCJAM6FZIHJYQY2TPY}

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	2026-05-18T00:03:08.757943Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c191e0bab518920678b941d38863537e0c37ca484236dad2f36473e6937e88fc

Aliases

arxiv: 1801.08937 · arxiv_version: 1801.08937v2 · doi: 10.48550/arxiv.1801.08937 · pith_short_12: YGI6BOVVDCJA · pith_short_16: YGI6BOVVDCJAM6FZ · pith_short_8: YGI6BOVV

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/YGI6BOVVDCJAM6FZIHJYQY2TPY \
  | 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: c191e0bab518920678b941d38863537e0c37ca484236dad2f36473e6937e88fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9831c6d1b632a6e812a141d335b3097b9d3667fb2d31460579441f0acb3f1a25",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-01-26T18:59:38Z",
    "title_canon_sha256": "a02e05fada7e3b7dbcf0156368c1e8498466696b20ad2676e08787e4261f470f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.08937",
    "kind": "arxiv",
    "version": 2
  }
}