Pith Number

pith:R232COPF

pith:2015:R232COPF2Q75WAJDKPBNGFP45Y

not attested not anchored not stored refs pending

Scale-dependent CMB power asymmetry from primordial speed of sound and a generalized $\delta$N formalism

Dong-Gang Wang, Wen Zhao, Yang Zhang, Yi-Fu Cai

arxiv:1509.02541 v2 · 2015-09-08 · astro-ph.CO · gr-qc · hep-ph · hep-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R232COPF2Q75WAJDKPBNGFP45Y}

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	2026-05-18T01:21:00.956271Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8eb7a139e5d43fdb012353c2d315fcee0fdb5ce3cccffcd5a2f9039776852da1

Aliases

arxiv: 1509.02541 · arxiv_version: 1509.02541v2 · doi: 10.48550/arxiv.1509.02541 · pith_short_12: R232COPF2Q75 · pith_short_16: R232COPF2Q75WAJD · pith_short_8: R232COPF

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/R232COPF2Q75WAJDKPBNGFP45Y \
  | 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: 8eb7a139e5d43fdb012353c2d315fcee0fdb5ce3cccffcd5a2f9039776852da1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53309e65e1bcfac015c1ae7da82ab5c65da590fdd8bfc33d6ead13d8d4f0bb01",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-09-08T20:16:53Z",
    "title_canon_sha256": "f037a0e46c7fb523b61dd094fbbb517e5350c2833f311964e0a96da7d4862055"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.02541",
    "kind": "arxiv",
    "version": 2
  }
}