Pith Number

pith:A2VIHN2U

pith:2020:A2VIHN2UZG3BGTPEBMJH4WWVE4

not attested not anchored not stored refs pending

Quadratic DHOST theories revisited

David Langlois, Hugo Roussille, Karim Noui

arxiv:2012.10218 v1 · 2020-12-18 · 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{A2VIHN2UZG3BGTPEBMJH4WWVE4}

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

Radial Perturbations of Black Holes in DHOST Theories

Receipt and verification

First computed	2026-07-05T02:33:49.280783Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06aa83b754c9b6134de40b127e5ad5273c307661d18006e855993158e1264a50

Aliases

arxiv: 2012.10218 · arxiv_version: 2012.10218v1 · doi: 10.48550/arxiv.2012.10218 · pith_short_12: A2VIHN2UZG3B · pith_short_16: A2VIHN2UZG3BGTPE · pith_short_8: A2VIHN2U

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/A2VIHN2UZG3BGTPEBMJH4WWVE4 \
  | 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: 06aa83b754c9b6134de40b127e5ad5273c307661d18006e855993158e1264a50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1474fd32df0b0f51ba6eb7592bdb7361ea4c067db4ea182ad385fe0c74045006",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2020-12-18T13:24:01Z",
    "title_canon_sha256": "3abc3ec8259a62061982dd08e87b0bc24301fa634061a766b5c81763be6f9af3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.10218",
    "kind": "arxiv",
    "version": 1
  }
}