Pith Number

pith:EKOHATLH

pith:2020:EKOHATLHQ34DVZVUT4LBSZYZXK

not attested not anchored not stored refs pending

Vacua in novel 4D Einstein-Gauss-Bonnet Gravity: pathology and instability?

Fu-Wen Shu

arxiv:2004.09339 v3 · 2020-04-20 · gr-qc · astro-ph.CO · 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{EKOHATLHQ34DVZVUT4LBSZYZXK}

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

Horizon-scale tests of gravity theories and fundamental physics from the Event Horizon Telescope image of Sagittarius A$^*$

Receipt and verification

First computed	2026-07-05T01:50:20.685946Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

229c704d6786f83ae6b49f16196719ba85994524cbd3bffa4156fe3ce2226ea9

Aliases

arxiv: 2004.09339 · arxiv_version: 2004.09339v3 · doi: 10.48550/arxiv.2004.09339 · pith_short_12: EKOHATLHQ34D · pith_short_16: EKOHATLHQ34DVZVU · pith_short_8: EKOHATLH

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/EKOHATLHQ34DVZVUT4LBSZYZXK \
  | 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: 229c704d6786f83ae6b49f16196719ba85994524cbd3bffa4156fe3ce2226ea9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce3bf5e122e190f58030cab9c7fb718beb1ffc6f42f3905c77fe0162b7265819",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2020-04-20T14:37:51Z",
    "title_canon_sha256": "52ec9679e6d72e78fd2205c6c5d1176b0d465a882a4986dfedc81c60b3972dbb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.09339",
    "kind": "arxiv",
    "version": 3
  }
}