Pith Number

pith:XQR2YPXV

pith:2017:XQR2YPXVZYNP55YV7E5YHAUT2Z

not attested not anchored not stored refs pending

The impact of theoretical assumptions in the determination of the neutrino effective number from future CMB measurements

Alessandro Melchiorri, Eleonora Di Valentino, Jens Chluba, Ludovico Capparelli

arxiv:1712.06965 v1 · 2017-12-19 · 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{XQR2YPXVZYNP55YV7E5YHAUT2Z}

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	2026-05-18T00:20:05.064051Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc23ac3ef5ce1afef715f93b838293d65d041551cfc86312e12c2a17d3b86a1a

Aliases

arxiv: 1712.06965 · arxiv_version: 1712.06965v1 · doi: 10.48550/arxiv.1712.06965 · pith_short_12: XQR2YPXVZYNP · pith_short_16: XQR2YPXVZYNP55YV · pith_short_8: XQR2YPXV

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/XQR2YPXVZYNP55YV7E5YHAUT2Z \
  | 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: bc23ac3ef5ce1afef715f93b838293d65d041551cfc86312e12c2a17d3b86a1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "371d627a088336f7e4f08c4b4faaa14863fb35429e1ff57fc72b1ad65b45c957",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2017-12-19T15:05:29Z",
    "title_canon_sha256": "644c61d25b4455371c4ddbabef83724604307d1910f381a30583a8d6d3d39b13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.06965",
    "kind": "arxiv",
    "version": 1
  }
}