Pith Number

pith:NJ4AUQV7

pith:2018:NJ4AUQV76ISTLD4EJ3ETZ7TBCZ

not attested not anchored not stored refs pending

Delta-map method to remove CMB foregrounds with spatially varying spectra

Eiichiro Komatsu, Hiroaki Kanai, Kiyotomo Ichiki, Nobuhiko Katayama

arxiv:1811.03886 v2 · 2018-11-09 · 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{NJ4AUQV76ISTLD4EJ3ETZ7TBCZ}

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	2026-05-17T23:54:58.731379Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a780a42bff225358f844ec93cfe61165280f3ac138ca8d28c16dfde7f91c082

Aliases

arxiv: 1811.03886 · arxiv_version: 1811.03886v2 · doi: 10.48550/arxiv.1811.03886 · pith_short_12: NJ4AUQV76IST · pith_short_16: NJ4AUQV76ISTLD4E · pith_short_8: NJ4AUQV7

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/NJ4AUQV76ISTLD4EJ3ETZ7TBCZ \
  | 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: 6a780a42bff225358f844ec93cfe61165280f3ac138ca8d28c16dfde7f91c082

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4580eb0d9222df5d0e69146df76c47812ef72ec08f9b079b9fcb6aeceb4cdd58",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-11-09T12:51:05Z",
    "title_canon_sha256": "56cfa7fd3c4f658ec56a5c90363b82e471b88d2b03f26f3261f11edc1ab88dc6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.03886",
    "kind": "arxiv",
    "version": 2
  }
}