Pith Number

pith:VYQTGWBD

pith:2019:VYQTGWBDVOBW4HBXDIXX7V3XP3

not attested not anchored not stored refs pending

Spatially covariant gravity: Perturbative analysis and field transformations

Chao Kang, Xian Gao, Zhi-Bang Yao

arxiv:1902.07702 v2 · 2019-02-20 · 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{VYQTGWBDVOBW4HBXDIXX7V3XP3}

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.

Cited by

1 paper in Pith

Spatially covariant gravity with two degrees of freedom: A perturbative analysis up to cubic order

Receipt and verification

First computed	2026-05-17T23:46:31.897929Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae21335823ab836e1c371a2f7fd7777ef9b2b649b05fa0120bed9586f56c536d

Aliases

arxiv: 1902.07702 · arxiv_version: 1902.07702v2 · doi: 10.48550/arxiv.1902.07702 · pith_short_12: VYQTGWBDVOBW · pith_short_16: VYQTGWBDVOBW4HBX · pith_short_8: VYQTGWBD

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/VYQTGWBDVOBW4HBXDIXX7V3XP3 \
  | 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: ae21335823ab836e1c371a2f7fd7777ef9b2b649b05fa0120bed9586f56c536d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "903b959ce8e235c0d1ca6345cb9870a02695cea0d2db98a877744888ed25c842",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-02-20T18:55:47Z",
    "title_canon_sha256": "b45cbab277cb8aa404a6ce1f0aeeac585ed7791b90ead0d04d5d9cf5a65f355e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.07702",
    "kind": "arxiv",
    "version": 2
  }
}