Pith Number

pith:4QWEQTG3

pith:2016:4QWEQTG3PCM7EOJFQYIE7PWTVT

not attested not anchored not stored refs pending

Improved calculation of the gravitational wave spectrum from kinks on infinite cosmic strings

Daisuke Nitta, Koichiro Horiguchi, Sachiko Kuroyanagi, Yuka Matsui

arxiv:1605.08768 v2 · 2016-05-27 · 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{4QWEQTG3PCM7EOJFQYIE7PWTVT}

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	2026-05-18T00:59:58.302778Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e42c484cdb7899f2392586104fbed3acff7931ea0d29a4fb0441e9e2ec620b7d

Aliases

arxiv: 1605.08768 · arxiv_version: 1605.08768v2 · doi: 10.48550/arxiv.1605.08768 · pith_short_12: 4QWEQTG3PCM7 · pith_short_16: 4QWEQTG3PCM7EOJF · pith_short_8: 4QWEQTG3

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/4QWEQTG3PCM7EOJFQYIE7PWTVT \
  | 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: e42c484cdb7899f2392586104fbed3acff7931ea0d29a4fb0441e9e2ec620b7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d7190bc4ccd09768dece7e478c663e9ff2b77ea73201300516318acbb0da167",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2016-05-27T19:40:05Z",
    "title_canon_sha256": "e77103dac1d250b44a9ea344fdb16179cb9fd00f8b41ea98f1872e837e61c866"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.08768",
    "kind": "arxiv",
    "version": 2
  }
}