Pith Number

pith:YQ3K5IPF

pith:2026:YQ3K5IPFVSKHKYFVWBMSYPVEOL

not attested not anchored not stored refs pending

Higher-derivative gravitational effective field theories are generically weakly hyperbolic

Farid Thaalba, Fernando Abalos, Miguel Bezares

arxiv:2607.11879 v1 · 2026-07-13 · 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{YQ3K5IPFVSKHKYFVWBMSYPVEOL}

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	2026-07-14T02:22:37.656177Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c436aea1e5ac947560b5b0592c3ea472dcc79e22fdcac35d64613a09b99af9bc

Aliases

arxiv: 2607.11879 · arxiv_version: 2607.11879v1 · doi: 10.48550/arxiv.2607.11879 · pith_short_12: YQ3K5IPFVSKH · pith_short_16: YQ3K5IPFVSKHKYFV · pith_short_8: YQ3K5IPF

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/YQ3K5IPFVSKHKYFVWBMSYPVEOL \
  | 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: c436aea1e5ac947560b5b0592c3ea472dcc79e22fdcac35d64613a09b99af9bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b81f8a36f3d1281dfb3d194d6c591b134202381893c1a955fe24fc9c126f8fb",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2026-07-13T17:58:04Z",
    "title_canon_sha256": "2ba591581dc5b00013c0ce213219ca5cd5b7271a9728eb8de6f50a4a6c5b1d96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.11879",
    "kind": "arxiv",
    "version": 1
  }
}