Pith Number

pith:N7XVCFS4

pith:2021:N7XVCFS4HSEVGILT4G5GFMFUQE

not attested not anchored not stored refs pending

Spatially covariant gravity with two degrees of freedom: perturbative analysis

Xian Gao, Yu-Min Hu

arxiv:2104.07615 v1 · 2021-04-15 · gr-qc · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N7XVCFS4HSEVGILT4G5GFMFUQE}

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	2026-07-05T03:32:01.044105Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6fef51165c3c89532173e1ba62b0b481265cac8ee6402ed6b2ea7e8bab9d381a

Aliases

arxiv: 2104.07615 · arxiv_version: 2104.07615v1 · doi: 10.48550/arxiv.2104.07615 · pith_short_12: N7XVCFS4HSEV · pith_short_16: N7XVCFS4HSEVGILT · pith_short_8: N7XVCFS4

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/N7XVCFS4HSEVGILT4G5GFMFUQE \
  | 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: 6fef51165c3c89532173e1ba62b0b481265cac8ee6402ed6b2ea7e8bab9d381a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b15598fd5ae26b6c8be32748d735616acb40569c89e49ea216aea7c0cf6dc0b2",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-04-15T17:25:37Z",
    "title_canon_sha256": "28296319a87700463be8e0a7d313dfec0289570e9c65b2e8f117b38b3dcacd2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.07615",
    "kind": "arxiv",
    "version": 1
  }
}