Pith Number

pith:K7OKTVRA

pith:2013:K7OKTVRA5YHO5LUBFD5SBK3B5E

not attested not anchored not stored refs pending

Cosmological Perturbations of a Quartet of Scalar Fields with a Spatially Constant Gradient

O-Kab Kwon, Phillial Oh, Seoktae Koh, Seyen Kouwn

arxiv:1304.7924 v2 · 2013-04-30 · gr-qc · 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{K7OKTVRA5YHO5LUBFD5SBK3B5E}

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	2026-05-18T03:14:19.556937Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57dca9d620ee0eeeae8128fb20ab61e903a95a204e7548463e67410aad70b165

Aliases

arxiv: 1304.7924 · arxiv_version: 1304.7924v2 · doi: 10.48550/arxiv.1304.7924 · pith_short_12: K7OKTVRA5YHO · pith_short_16: K7OKTVRA5YHO5LUB · pith_short_8: K7OKTVRA

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/K7OKTVRA5YHO5LUBFD5SBK3B5E \
  | 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: 57dca9d620ee0eeeae8128fb20ab61e903a95a204e7548463e67410aad70b165

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "352266b1ed9826b3319d8fc7679f9b843a2406c4de3e143d6a4de0cd70fa4828",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-04-30T09:10:22Z",
    "title_canon_sha256": "f13c3b4d837914112c2a47792c0d6c5c54643a2f3f604c76390b1b1d5acc8be2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.7924",
    "kind": "arxiv",
    "version": 2
  }
}