Pith Number

pith:7MIW4JU3

pith:2017:7MIW4JU3SYO5SN4JMULB67QYBQ

not attested not anchored not stored refs pending

On the ghost-induced instability on de Sitter background

Brazil, Brazil), Filipe de O. Salles (CBPF, France), Ilya L. Shapiro (ICE, Juiz de Fora, Patrick Peter (IAP, Russia), Tomsk

arxiv:1801.00063 v2 · 2017-12-30 · 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{7MIW4JU3SYO5SN4JMULB67QYBQ}

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

Conditions for positivity of energy in superrenormalizable polynomial gravity

Receipt and verification

First computed	2026-05-18T00:19:22.020518Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb116e269b961dd9378965161f7e180c2c37fef30e94d595764e8cdc5377ccd4

Aliases

arxiv: 1801.00063 · arxiv_version: 1801.00063v2 · doi: 10.48550/arxiv.1801.00063 · pith_short_12: 7MIW4JU3SYO5 · pith_short_16: 7MIW4JU3SYO5SN4J · pith_short_8: 7MIW4JU3

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/7MIW4JU3SYO5SN4JMULB67QYBQ \
  | 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: fb116e269b961dd9378965161f7e180c2c37fef30e94d595764e8cdc5377ccd4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42c32e6e1b88ea5a0014944019c877014aff8e2914f0289ab2bc729a80c7a661",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-12-30T00:39:52Z",
    "title_canon_sha256": "57aac6baaea12c2b6cacb75bff6b084c4445345e345962384a7ff2e2bd9ab196"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.00063",
    "kind": "arxiv",
    "version": 2
  }
}