Pith Number

pith:3ZCQKHDI

pith:2018:3ZCQKHDIBWYMU4MFJ37K5PEF4U

not attested not anchored not stored refs pending

Cosmological perturbations in conformal gravity II

Asanka Amarasinghe, Matthew G. Phelps, Philip D. Mannheim

arxiv:1805.06807 v2 · 2018-05-17 · gr-qc · astro-ph.CO · 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{3ZCQKHDIBWYMU4MFJ37K5PEF4U}

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	2026-05-17T23:46:50.443586Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de45051c680db0ca71854efeaebc85e53e243199548d05036fd8f411bdfe1a2b

Aliases

arxiv: 1805.06807 · arxiv_version: 1805.06807v2 · doi: 10.48550/arxiv.1805.06807 · pith_short_12: 3ZCQKHDIBWYM · pith_short_16: 3ZCQKHDIBWYMU4MF · pith_short_8: 3ZCQKHDI

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/3ZCQKHDIBWYMU4MFJ37K5PEF4U \
  | 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: de45051c680db0ca71854efeaebc85e53e243199548d05036fd8f411bdfe1a2b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "581638bd19e72f3fa247293e34af6c19d4c4e4412629822d9f2c9e54ed0421e3",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-05-17T15:03:52Z",
    "title_canon_sha256": "267dc3e92f05abd3bdb3e040cd04030878ce779004015f4742479ff45233dfd1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.06807",
    "kind": "arxiv",
    "version": 2
  }
}