Pith Number

pith:QM5HCG2B

pith:2020:QM5HCG2B4QKDF27RH5YRFJL5UV

not attested not anchored not stored refs pending

Propagating Speed of Primordial Gravitational Waves

Fabrizio Renzi, William Giar\`e

arxiv:2007.04256 v2 · 2020-07-08 · astro-ph.CO · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QM5HCG2B4QKDF27RH5YRFJL5UV}

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

1 paper in Pith

Probing the scalar-induced gravitational waves with the Five-hundred-meter Aperture Spherical radio Telescope and the Square Kilometer Array

Receipt and verification

First computed	2026-07-05T01:46:59.089814Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

833a711b41e41432ebf13f7112a57da54403b04350ce106843edcc8c19ea8801

Aliases

arxiv: 2007.04256 · arxiv_version: 2007.04256v2 · doi: 10.48550/arxiv.2007.04256 · pith_short_12: QM5HCG2B4QKD · pith_short_16: QM5HCG2B4QKDF27R · pith_short_8: QM5HCG2B

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/QM5HCG2B4QKDF27RH5YRFJL5UV \
  | 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: 833a711b41e41432ebf13f7112a57da54403b04350ce106843edcc8c19ea8801

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a5e45de1d686004c090dc3bb11a071f66fdccd8781b2e2060b496143220ea84",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2020-07-08T16:46:28Z",
    "title_canon_sha256": "780230068be174bfe152bb98e70f9817b2ec5d982ea1b6028c3a0209b3e67f78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.04256",
    "kind": "arxiv",
    "version": 2
  }
}