pith. sign in
Pith Number

pith:7ZW56G7U

pith:2019:7ZW56G7UPIXIC43O4OEJJ2LV66
not attested not anchored not stored refs pending

Foliation-based approach to quantum gravity and applications to astrophysics

I. Y. Park

arxiv:1902.03332 v4 · 2019-02-09 · hep-th · astro-ph.GA · astro-ph.HE · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{7ZW56G7UPIXIC43O4OEJJ2LV66}

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 2026-05-17T23:39:24.890375Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

fe6ddf1bf47a2e81736ee38894e975f79e694b890774b6e8658063c9cd998149

Aliases

arxiv: 1902.03332 · arxiv_version: 1902.03332v4 · doi: 10.48550/arxiv.1902.03332 · pith_short_12: 7ZW56G7UPIXI · pith_short_16: 7ZW56G7UPIXIC43O · pith_short_8: 7ZW56G7U
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/7ZW56G7UPIXIC43O4OEJJ2LV66 \
  | 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: fe6ddf1bf47a2e81736ee38894e975f79e694b890774b6e8658063c9cd998149
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "3e5f4b1c74d40131850d92cd1c6940b6db485c71218b8110fc984493a4553f04",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2019-02-09T00:02:34Z",
    "title_canon_sha256": "9e995b17afef5312142f20a4be21effbf57815323bf80875cce55fe9fb5b9e70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.03332",
    "kind": "arxiv",
    "version": 4
  }
}