Pith Number

pith:IDHJ6BIX

pith:2016:IDHJ6BIX5U3KQBWQWNATHP7EBU

not attested not anchored not stored refs pending

A spectre is haunting the cosmos: Quantum stability of massive gravity with ghosts

1) ((1) ITP Univ. of Heidelberg, (2) NORDITA), Frank K\"onnig (1), Henrik Nersisyan (1), Luca Amendola (1), Miguel Zumalac\'arregui (2, Yashar Akrami (1)

arxiv:1605.08757 v4 · 2016-05-27 · 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{IDHJ6BIX5U3KQBWQWNATHP7EBU}

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	2026-05-18T00:56:20.493720Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40ce9f0517ed36a806d0b34133bfe40d0b11fa3b5cf70e6a46a01729a5b52a97

Aliases

arxiv: 1605.08757 · arxiv_version: 1605.08757v4 · doi: 10.48550/arxiv.1605.08757 · pith_short_12: IDHJ6BIX5U3K · pith_short_16: IDHJ6BIX5U3KQBWQ · pith_short_8: IDHJ6BIX

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/IDHJ6BIX5U3KQBWQWNATHP7EBU \
  | 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: 40ce9f0517ed36a806d0b34133bfe40d0b11fa3b5cf70e6a46a01729a5b52a97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "afeab2ea49cff6bdce48f440b860399264d124993e6c640acd5163bf8b08dc55",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2016-05-27T19:08:43Z",
    "title_canon_sha256": "ff2e2307bc545b3a52430551e40943c38baac06fb83497c44565a5c0871e6e02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.08757",
    "kind": "arxiv",
    "version": 4
  }
}