Pith Number

pith:JIGJ7UWT

pith:2014:JIGJ7UWT7MDFWXOKGR23IWUEEJ

not attested not anchored not stored refs pending

Quantization of the linearised Einstein-Klein-Gordon system on arbitrary backgrounds and the special case of perturbations in Inflation

Thomas-Paul Hack

arxiv:1403.3957 v2 · 2014-03-16 · gr-qc · hep-th · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JIGJ7UWT7MDFWXOKGR23IWUEEJ}

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	2026-05-18T01:22:15.028894Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a0c9fd2d3fb065b5dca3475b45a84224d20e27e292764dd7bd021e4474c241d

Aliases

arxiv: 1403.3957 · arxiv_version: 1403.3957v2 · doi: 10.48550/arxiv.1403.3957 · pith_short_12: JIGJ7UWT7MDF · pith_short_16: JIGJ7UWT7MDFWXOK · pith_short_8: JIGJ7UWT

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/JIGJ7UWT7MDFWXOKGR23IWUEEJ \
  | 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: 4a0c9fd2d3fb065b5dca3475b45a84224d20e27e292764dd7bd021e4474c241d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9053cebb9644f189421abee465199f03ad033d51e80fc04380b86c05dc0184c7",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-03-16T20:07:52Z",
    "title_canon_sha256": "2257de630461134ef11048fda64f8e21fa103293fa099091746321c3417ab993"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.3957",
    "kind": "arxiv",
    "version": 2
  }
}