Pith. sign in
Pith Number

pith:YCUCBE4S

pith:2020:YCUCBE4SIVFN2FGFGYGQGZLB2I
not attested not anchored not stored refs pending

Constraints on primordial gravitational waves from the Cosmic Microwave Background

Adam Moss, Edmund J. Copeland, Thomas J. Clarke

arxiv:2004.11396 v2 · 2020-04-23 · astro-ph.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{YCUCBE4SIVFN2FGFGYGQGZLB2I}

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.

Cited by

4 papers in Pith

Receipt and verification
First computed 2026-07-05T01:42:35.883415Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

c0a8209392454add14c5360d036561d20a4cdc6a1d6c4d3ac65e2ec7487dd9d3

Aliases

arxiv: 2004.11396 · arxiv_version: 2004.11396v2 · doi: 10.48550/arxiv.2004.11396 · pith_short_12: YCUCBE4SIVFN · pith_short_16: YCUCBE4SIVFN2FGF · pith_short_8: YCUCBE4S
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/YCUCBE4SIVFN2FGFGYGQGZLB2I \
  | 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: c0a8209392454add14c5360d036561d20a4cdc6a1d6c4d3ac65e2ec7487dd9d3
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "55b542af297db6e9c655dd112e65cdb5244e13e3bf44abc35ca5a0e02138e377",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2020-04-23T18:00:08Z",
    "title_canon_sha256": "fa69064172152139341c3db62d0cb81e84e8c5bf4d9fd86e93fd8b511b30cbb4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.11396",
    "kind": "arxiv",
    "version": 2
  }
}