Pith Number

pith:7ZEDWAQA

pith:2017:7ZEDWAQAU4PVK4E7WAUDD5ECZJ

not attested not anchored not stored refs pending

Observational signatures of the parametric amplification of gravitational waves during reheating after inflation

Chunshan Lin, Misao Sasaki, Sachiko Kuroyanagi, Shinji Tsujikawa

arxiv:1710.06789 v2 · 2017-10-18 · gr-qc · astro-ph.CO · 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{7ZEDWAQAU4PVK4E7WAUDD5ECZJ}

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	2026-05-18T00:25:28.706076Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe483b0200a71f55709fb02831f482ca45fb1d22c630e02a9ff062a9d19d3ff1

Aliases

arxiv: 1710.06789 · arxiv_version: 1710.06789v2 · doi: 10.48550/arxiv.1710.06789 · pith_short_12: 7ZEDWAQAU4PV · pith_short_16: 7ZEDWAQAU4PVK4E7 · pith_short_8: 7ZEDWAQA

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/7ZEDWAQAU4PVK4E7WAUDD5ECZJ \
  | 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: fe483b0200a71f55709fb02831f482ca45fb1d22c630e02a9ff062a9d19d3ff1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f33c94fcf7294ec413f861b18fa9022710120838a039b35665f2f4eca44c1b95",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-10-18T15:37:32Z",
    "title_canon_sha256": "eb169f26e72092525597e446911da253c1bfb7f85cc9317911c23b5d154bac97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.06789",
    "kind": "arxiv",
    "version": 2
  }
}