Pith. sign in
Pith Number

pith:EHNCQUZM

pith:2021:EHNCQUZMMGLVAZQSOXB7UR3M3Y
not attested not anchored not stored refs pending

Primordial gravitational waves from excited states

Cristobal Zenteno, Gonzalo A. Palma, Jacopo Fumagalli, Lukas T. Witkowski, S\'ebastien Renaux-Petel, Spyros Sypsas

arxiv:2111.14664 v2 · 2021-11-29 · astro-ph.CO · gr-qc · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{EHNCQUZMMGLVAZQSOXB7UR3M3Y}

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

3 papers in Pith

Receipt and verification
First computed 2026-07-05T04:12:04.548301Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

21da28532c619750661275c3fa476cde37bccd833a76efd2a958d2e7155858ad

Aliases

arxiv: 2111.14664 · arxiv_version: 2111.14664v2 · doi: 10.48550/arxiv.2111.14664 · pith_short_12: EHNCQUZMMGLV · pith_short_16: EHNCQUZMMGLVAZQS · pith_short_8: EHNCQUZM
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/EHNCQUZMMGLVAZQSOXB7UR3M3Y \
  | 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: 21da28532c619750661275c3fa476cde37bccd833a76efd2a958d2e7155858ad
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "6529439bb2155d82adda6c4e3af6a563e2dca1dd185f5a11df30868c0f347903",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2021-11-29T16:22:33Z",
    "title_canon_sha256": "8fa660d056fefe526859a8ef3f76efcf444fc701452cbafccf67f214e74f9e9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.14664",
    "kind": "arxiv",
    "version": 2
  }
}